LUYỆN-SÁCH CHINH PHỤC HÓA 9

["h\u1ee3p kh\u00ed B. Bi\u1ebft B ph\u1ea3n \u1ee9ng v\u1edbi t\u1ed1i \u0111a 0,1 mol Br2 trong dung d\u1ecbch. T\u00ednh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m theo th\u1ec3 t\u00edch m\u1ed7i kh\u00ed trong h\u1ed7n h\u1ee3p A. 2. H\u1ed7n h\u1ee3p A g\u1ed3m m\u1ed9t ankan X (CnH2n+2) v\u00e0 hai hi\u0111rocacbon m\u1ea1ch h\u1edf Y, Z. Bi\u1ebft X, Y, Z l\u00e0 c\u00e1c ch\u1ea5t kh\u00ed \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, c\u00f3 s\u1ed1 nguy\u00ean t\u1eed cacbon kh\u00e1c nhau; Y v\u00e0 Z c\u00f3 c\u00f9ng s\u1ed1 nguy\u00ean t\u1eed hi\u0111ro, MY < MZ. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n a mol A thu \u0111\u01b0\u1ee3c 1,1 mol CO2 v\u00e0 0,7 mol H2O. M\u1eb7t kh\u00e1c, a mol A ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi t\u1ed1i \u0111a 0,8 mol Br2 trong dung d\u1ecbch. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y, Z. C\u00e2u VI (3,0 \u0111i\u1ec3m). 1. Cho h\u00ecnh v\u1ebd m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf v\u00e0 thu kh\u00ed axetilen trong ph\u00f2ng th\u00ed nghi\u1ec7m: a) Cho bi\u1ebft c\u00e1c ch\u1ea5t ban \u0111\u1ea7u trong c\u00e1c b\u00ecnh A, B, C v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf x\u1ea3y ra trong th\u00ed nghi\u1ec7m tr\u00ean. b) Cho bi\u1ebft vai tr\u00f2 c\u1ee7a dung d\u1ecbch trong b\u00ecnh C. 2. Sau khi l\u00e0m th\u00ed nghi\u1ec7m, b\u1ea1n Nam qu\u00ean \u0111\u1eady l\u1ecd \u0111\u1ef1ng dung d\u1ecbch NaOH. M\u1ed9t tu\u1ea7n sau tr\u1edf l\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m, Nam l\u1ea5y dung d\u1ecbch trong l\u1ecd \u0111\u00f3 v\u00e0 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng trung h\u00f2a v\u1edbi H2SO4 lo\u00e3ng th\u00ec th\u1ea5y c\u00f3 b\u1ecdt kh\u00ed tho\u00e1t ra. Kh\u00ed tho\u00e1t ra l\u00e0 kh\u00ed n\u00e0o? Gi\u1ea3i th\u00edch v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. S\u1ede GD&\u0110T QU\u1ea2NG B\u00ccNH K\u1ef2 THI CH\u1eccN HSG T\u1ec8NH N\u0102M H\u1eccC 2021-2022 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C Kh\u00f3a ng\u00e0y 22 th\u00e1ng 3 n\u0103m 2022 M\u00f4n thi: H\u00d3A H\u1eccC L\u1edaP 9 THCS S\u1ed0 B\u00c1O DANH:\u2026\u2026\u2026\u2026\u2026 Th\u1eddi gian: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (2,0 \u0111i\u1ec3m) N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra khi: a. Cho \u0111inh s\u1eaft v\u00e0o dung d\u1ecbch CuSO4. b. Cho dung d\u1ecbch c\u00f3 ch\u1ee9a a mol NaOH v\u00e0o dung d\u1ecbch c\u00f3 ch\u1ee9a a mol Ba(HCO3)2. c. Cho r\u1ea5t t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch HNO3 v\u00e0o dung d\u1ecbch K2CO3. d. S\u1ee5c kh\u00ed SO2 v\u00e0o dung d\u1ecbch thu\u1ed1c t\u00edm (KMnO4). e. Cho b\u1ed9t MnO2 v\u00e0o dung d\u1ecbch HCl \u0111\u1eb7c, \u0111un n\u00f3ng. f. S\u1ee5c kh\u00ed etilen \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch brom. g. S\u1ee5c kh\u00ed axetilen v\u00e0o dung d\u1ecbch AgNO3\/NH3. h. Chi\u1ebfu s\u00e1ng v\u00e0o b\u00ecnh c\u1ea7u thu\u1ef7 tinh \u0111\u01b0\u1ee3c n\u00fat k\u00edn c\u00f3 ch\u1ee9a h\u1ed7n h\u1ee3p g\u1ed3m CH4 v\u00e0 Cl2 (t\u1ec9 l\u1ec7 mol 1:1), sau \u0111\u00f3 cho m\u1eabu qu\u1ef3 t\u00edm \u1ea9m v\u00e0o b\u00ecnh c\u1ea7u. C\u00e2u 2. (2,0 \u0111i\u1ec3m) 1. Ch\u1ea5t r\u1eafn A c\u00f3 s\u1eb5n trong t\u1ef1 nhi\u00ean d\u01b0\u1edbi d\u1ea1ng nhi\u1ec1u lo\u1ea1i kho\u00e1ng kh\u00e1c nhau. Nhi\u1ec7t ph\u00e2n A \u1edf 1100oC l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 s\u1ea3n xu\u1ea5t l\u01b0\u1ee3ng l\u1edbn ch\u1ea5t B. Cho B ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c ch\u1ea5t C v\u00e0 t\u1ecfa nhi\u1ec1u nhi\u1ec7t. Trong ph\u00f2ng th\u00ed nghi\u1ec7m, dung d\u1ecbch n\u01b0\u1edbc c\u1ee7a C \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00ed D. Kh\u00ed D \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong r\u1ea5t nhi\u1ec1u lo\u1ea1i n\u01b0\u1edbc gi\u1ea3i kh\u00e1t. a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc th\u1ec3 hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc \u1edf tr\u00ean. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 551","b. Bi\u1ebft kh\u00ed D c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p, trong \u0111\u00f3 c\u00f3 \u0111i\u1ec1u ch\u1ebf mu\u1ed1i E (l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a thu\u1ed1c mu\u1ed1i Nabica ch\u1eefa b\u1ec7nh \u0111au d\u1ea1 gi\u00e0y do th\u1eeba axit) theo ph\u01b0\u01a1ng ph\u00e1p Solvay b\u1eb1ng c\u00e1ch: cho m\u1ed9t l\u01b0\u1ee3ng b\u1eb1ng nhau v\u1ec1 s\u1ed1 mol c\u1ee7a NH3 v\u00e0 kh\u00ed D s\u1ee5c qua dung d\u1ecbch natri clorua b\u00e3o h\u00f2a \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, s\u1ea3n ph\u1ea9m t\u1ea1o th\u00e0nh ngo\u00e0i mu\u1ed1i E c\u00f2n c\u00f3 mu\u1ed1i amoni clorua. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc \u0111i\u1ec1u ch\u1ebf mu\u1ed1i E theo ph\u01b0\u01a1ng ph\u00e1p Solvay. 2. Cho h\u1ed7n h\u1ee3p A g\u1ed3m Al4C3, CaC2 (c\u00f3 t\u1ec9 l\u1ec7 mol 1:2) v\u00e0o n\u01b0\u1edbc d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch B, h\u1ed7n h\u1ee3p kh\u00ed D. Cho h\u1ed7n h\u1ee3p kh\u00ed D qua n\u01b0\u1edbc brom d\u01b0 th\u1ea5y n\u01b0\u1edbc brom b\u1ecb nh\u1ea1t m\u00e0u v\u00e0 c\u00f3 kh\u00ed X bay ra. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n kh\u00ed X thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y g\u1ed3m CO2, H2O. D\u1eabn t\u1eeb t\u1eeb h\u1ed7n h\u1ee3p Y v\u00e0o dung d\u1ecbch B. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 3. (2,0 \u0111i\u1ec3m) 1. Cho m gam h\u1ed7n h\u1ee3p g\u1ed3m Cu v\u00e0 Fe3O4 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0, ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n, c\u00f2n l\u1ea1i 8,32 gam ch\u1ea5t r\u1eafn kh\u00f4ng tan v\u00e0 dung d\u1ecbch X. C\u00f4 c\u1ea1n dung d\u1ecbch X, thu \u0111\u01b0\u1ee3c 61,92 gam ch\u1ea5t r\u1eafn khan. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. 2. H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 X tham gia ph\u1ea3n \u1ee9ng c\u1ed9ng v\u1edbi Cl2 theo t\u1ec9 l\u1ec7 1:1 thu \u0111\u01b0\u1ee3c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 Y c\u00f3 ch\u1ee9a hai nguy\u00ean t\u1eed clo. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n a gam Y ch\u1ec9 thu \u0111\u01b0\u1ee3c 8a\/9 gam CO2, 2a\/11 gam H2O v\u00e0 73a\/99 gam HCl. a. T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y. b. M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a X l\u00e0 s\u1ea3n xu\u1ea5t nh\u1ef1a PVC theo s\u01a1 \u0111\u1ed3 sau: Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc theo s\u01a1 \u0111\u1ed3 tr\u00ean v\u00e0 t\u00ednh th\u1ec3 t\u00edch X (\u1edf \u0111ktc) c\u1ea7n ph\u1ea3i l\u1ea5y \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c 0,625 t\u1ea5n PVC. Bi\u1ebft hi\u1ec7u su\u1ea5t c\u00e1c ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi H% = 80%. C\u00e2u 4. (2,0 \u0111i\u1ec3m) 1. Mu\u1ed1i Epsom (MgSO4.nH2O) c\u00f3 nhi\u1ec1u l\u1ee3i \u00edch cho s\u1ee9c kho\u1ebb (d\u00f9ng \u0111\u1ec3 pha ch\u1ebf thu\u1ed1c nhu\u1eadn tr\u00e0ng), \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ph\u00e2n b\u00f3n cho c\u00e2y hay d\u00f9ng \u0111\u1ec3 kh\u1eed khu\u1ea9n. Khi l\u00e0m l\u1ea1nh 110,0 gam dung d\u1ecbch MgSO4 27,27% th\u00ec c\u00f3 12,3 gam mu\u1ed1i Epsom t\u00e1ch ra, ph\u1ea7n dung d\u1ecbch b\u00e3o ho\u00e0 c\u00f3 n\u1ed3ng \u0111\u1ed9 24,56%. a. T\u00ecm c\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i Epsom. b. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng mu\u1ed1i Epsom \u0111\u01b0\u1ee3c t\u00e1ch ra khi l\u00e0m l\u1ea1nh 1857,6 gam dung d\u1ecbch b\u00e3o ho\u00e0 MgSO4 t\u1eeb 80oC xu\u1ed1ng 20oC. Bi\u1ebft \u0111\u1ed9 tan c\u1ee7a MgSO4 t\u1ea1i 80oC v\u00e0 20oC l\u1ea7n l\u01b0\u1ee3t l\u00e0 54,8 v\u00e0 35,1. 2. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n a gam h\u1ed7n h\u1ee3p A ch\u1ee9a anken (X) v\u00e0 ankin (Y). S\u1ea3n ph\u1ea9m ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c d\u1eabn qua b\u00ecnh (1) \u0111\u1ef1ng H2SO4 \u0111\u1eb7c, d\u01b0 r\u1ed3i \u0111\u1ebfn b\u00ecnh (2) \u0111\u1ef1ng dung d\u1ecbch NaOH d\u01b0 th\u00ec th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh (1) t\u0103ng th\u00eam 10,8 gam, b\u00ecnh (2) t\u0103ng th\u00eam 33,0 gam. a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a a. b. Bi\u1ebft r\u1eb1ng trong h\u1ed7n h\u1ee3p A, t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng c\u1ee7a X v\u00e0 Y l\u00e0 2 : 3. T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y. C\u00e2u 5. (2,0 \u0111i\u1ec3m) 1. Cho 13,14 gam b\u1ed9t Cu v\u00e0o 250 ml dung d\u1ecbch AgNO3 0,6M v\u00e0 khu\u1ea5y \u0111\u1ec1u m\u1ed9t th\u1eddi gian, thu \u0111\u01b0\u1ee3c 22,56 gam ch\u1ea5t r\u1eafn X v\u00e0 dung d\u1ecbch Y. Nh\u00fang thanh kim lo\u1ea1i M n\u1eb7ng 15,45 gam v\u00e0o dung d\u1ecbch Y, sau khi c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c dung d\u1ecbch ch\u1ec9 ch\u1ee9a m\u1ed9t mu\u1ed1i duy nh\u1ea5t v\u00e0 17,355 gam ch\u1ea5t r\u1eafn Z. a. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng. b. T\u00ecm kim lo\u1ea1i M. 2. H\u1ed7n h\u1ee3p Y g\u1ed3m etan, etilen v\u00e0 axetilen. \u0110\u1ed1t ch\u00e1y h\u1ebft 4,48 l\u00edt Y (\u1edf \u0111ktc) r\u1ed3i d\u1eabn s\u1ea3n ph\u1ea9m ch\u00e1y qua dung d\u1ecbch Ba(OH)2 d\u01b0, th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch thu \u0111\u01b0\u1ee3c gi\u1ea3m 53,1 gam so v\u1edbi dung d\u1ecbch Ba(OH)2 ban \u0111\u1ea7u. D\u1eabn 2,85 gam Y qua b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch brom d\u01b0, th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh brom t\u0103ng 1,35 gam. T\u00ednh % v\u1ec1 th\u1ec3 t\u00edch c\u1ee7a c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p Y, bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 552","S\u1ede GI\u00c1O D\u1ee4C & \u0110\u00c0O T\u1ea0O K\u00cc THI CH\u1eccN H\u1eccC SINH GI\u1eceI B\u00ccNH PH\u01af\u1edaC C\u1ea4P T\u1ec8NH L\u1edaP 9 N\u0102M H\u1eccC 2021- 2022 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C M\u00f4n: H\u00d3A H\u1eccC Th\u1eddi gian 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian ph\u00e1t \u0111\u1ec1) Ng\u00e0y thi: 26\/03\/2022 C\u00e2u 1. (2 \u0111i\u1ec3m) 1.1. Khi b\u1ebfp than \u0111ang ch\u00e1y, n\u1ebfu \u0111\u1ed5 nhi\u1ec1u n\u01b0\u1edbc v\u00e0o th\u00ec b\u1ebfp than s\u1ebd t\u1eaft, cong n\u1ebfu r\u1eafc m\u1ed9t ch\u00fat n\u01b0\u1edbc v\u00e0o th\u00ec b\u1ebfp than s\u1ebd b\u00f9ng ch\u00e1y l\u00ean. Em h\u00e3y gi\u1ea3i th\u00edch v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc. 1.2. Cho 7 l\u1ecd ch\u1ee9a c\u00e1c dung d\u1ecbch kh\u00f4ng m\u00e0u b\u1ecb m\u1ea5t nh\u00e3n g\u1ed3m: NH4Cl, Zn(NO3)2, (NH4)2SO4, phenolphtalein, K2SO4, HCl, NaCl. Ch\u1ec9 d\u00f9ng th\u00eam dung d\u1ecbch Ba(OH)2 l\u00e0m thu\u1ed1c th\u1eed, c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c bao nhi\u00eau ch\u1ea5t trong s\u1ed1 c\u00e1c dung d\u1ecbch tr\u00ean? Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc x\u00e3y ra. C\u00e2u 2. (3 \u0111i\u1ec3m) 2.1. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t t\u1eeb A1 \u0111\u1ebfn A11 v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc sau: A1 + A2 \uf0ae A3 + A4 A3 + A5 \uf0ae A6 + A7 A6 + A8 + A9 \uf0ae A10 A10 \uf0bet\uf0be0 \uf0ae A11 + A8 A11 + A4 \uf0bet\uf0be0 \uf0ae A1 + A8 Bi\u1ebft A3 l\u00e0 mu\u1ed1i clorua, n\u1ebfu l\u1ea5y 1,27 gam A3 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch AgNO3 d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c 2,87 gam k\u1ebft t\u1ee7a. 2.2. M\u1ed9t h\u1ed7n h\u1ee3p g\u1ed3m Al, Al2O3 , Fe2O3. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch ri\u00eang t\u1eebng ch\u1ea5t ra kh\u1ecfi h\u1ed7n h\u1ee3p sao cho kh\u1ed1i l\u01b0\u1ee3ng t\u1eebng ch\u1ea5t kh\u00f4ng thay \u0111\u1ed5i. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc. C\u00e2u 3. (4 \u0111i\u1ec3m) 3.1. Ng\u01b0\u1eddi ta l\u1eafp \u0111\u1eb7t th\u00ed nghi\u1ec7m nh\u01b0 h\u00ecnh sau: - H\u00e3y x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ho\u00e1 h\u1ecdc th\u00edch h\u1ee3p c\u1ee7a A, B, D, E, G trong th\u00ed nghi\u1ec7m \u1edf h\u00ecnh v\u1ebd tr\u00ean. Bi\u1ebft A v\u00e0 G l\u00e0 ch\u1ea5t r\u1eafn, B l\u00e0 ch\u1ea5t l\u1ecfng, D l\u00e0 ch\u1ea5t kh\u00ed, E l\u00e0 d\u1ee5ng d\u1ecbch. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc x\u00e3y ra. - T\u1ea1i sao khi k\u1ebft th\u00fac th\u00ed nghi\u1ec7m ng\u01b0\u1eddi ta ph\u1ea3i r\u00fat \u1ed1ng d\u1eabn kh\u00ed ra kh\u1ecfi dung d\u1ecbch E r\u1ed3i m\u1edbi t\u1eaft \u0111\u00e8n c\u1ed3n m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m ng\u01b0\u1ee3c l\u1ea1i? 3.2. Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a m\u1ed9t dung d\u1ecbch CuSO4 l\u00e0 1,206 g\/ml. \u0110em c\u00f4 c\u1ea1n 414,594 ml dung d\u1ecbch n\u00e0y th\u00ec thu \u0111\u01b0\u1ee3c 140,625 gam tinh th\u1ec3 CuSO4.5H2O. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a dung d\u1ecbch n\u00f3i tr\u00ean. 3.3. a. T\u00ednh s\u1ed1 ml n\u01b0\u1edbc c\u1ea7n d\u00f9ng \u0111\u1ec3 ho\u00e0 tan 27,8 gam FeSO4.7H2O \u0111\u1ec3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch FeSO4 9%. Cho bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a n\u01b0\u1edbc l\u00e0 1 g\/ml. b. T\u00ednh s\u1ed1 gam FeSO4.7H2O c\u1ea7n cho th\u00eam v\u00e0o dung d\u1ecbch FeSO4 9%\u1edf tr\u00ean \u0111\u1ec3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch FeSO4 20%. C\u00e2u 4. (4 \u0111i\u1ec3m) 4.1. Oxit c\u1ee7a kim lo\u1ea1i R \u1edf m\u1ee9c ho\u00e1 tr\u1ecb th\u1ea5p ch\u1ee9a 22,54% oxi; \u1edf m\u1ee9c ho\u00e1 tr\u1ecb cao ch\u1ee9a 50,45% oxi v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. X\u00e1c \u0111\u1ecbnh R v\u00e0 c\u00f4ng th\u1ee9c ho\u00e1 h\u1ecdc c\u1ee7a 2 oxit c\u1ee7a R. 4.2. T\u00ednh s\u1ed1 gam cacbon c\u1ea7n \u0111\u1ed1t, \u0111\u1ec3 khi cho kh\u00ed CO2 t\u1ea1o ra trong ph\u1ea3n \u1ee9ng t\u00e1c d\u1ee5ng v\u1edbi 3,4 lit dung d\u1ecbch NaOH 0,5 M ta \u0111\u01b0\u1ee3c 2 mu\u1ed1i v\u1edbi n\u1ed3ng \u0111\u1ed9 mol mu\u1ed1i axit b\u1eb1ng 1,4 l\u1ea7n n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a mu\u1ed1i trung ho\u00e0. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 553","4.3. a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc v\u00e0 ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3) \u0111\u1ec3 s\u1ea3n xu\u1ea5t axit sunfuric t\u1eeb qu\u1eb7ng pirit s\u1eaft. b. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch axit 98% s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c t\u1eeb 1 t\u1ea5n qu\u1eb7ng ch\u1ee9a 60% FeS2. Bi\u1ebft hi\u1ec7u su\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh l\u00e0 80%. C\u00e2u 5. (4 \u0111i\u1ec3m) Cho 5,15 gam h\u1ed7n h\u1ee3p A g\u00f4mg Zn v\u00e0 Cu v\u00e0o 140 ml dung d\u1ecbch AgNO3 1M. Sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac thu \u0111\u01b0\u1ee3c 15,76 gam h\u1ed7n h\u1ee3p kim lo\u1ea1i B v\u00e0 dung d\u1ecbch C. Chia C th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau. * Ph\u1ea7n 1: Th\u00eam v\u00e0o m\u1ed9t l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch KOH, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a. L\u1ecdc l\u1ea5y k\u1ebft t\u1ee7a, r\u1eeda s\u1ea1ch \u0111em nung \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c m gam ch\u1ea5t r\u1eafn. * Ph\u1ea7n 2: Cho b\u1ed9t Zn d\u01b0 v\u00e0o, khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac, l\u1ecdc b\u1ecf ch\u1ea5t r\u1eafn, thu \u0111\u01b0\u1ee3c dung d\u1ecbch D. Cho V ml dung d\u1ecbch NaOH 2M v\u00e0o dung d\u1ecbch D, thu \u0111\u01b0\u1ee3c 2,97 gam k\u1ebft t\u1ee7a. Gi\u1ea3 thi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. b. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a V. C\u00e2u 6. ( 3 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m 2 hidrocacbon A v\u00e0 B. Ph\u00e2n t\u1eed ch\u1ea5t A c\u00f3 s\u1ed1 nguy\u00ean t\u1eed cacbon nhi\u1ec1u h\u01a1n ph\u00e2n t\u1eed ch\u1ea5t B l\u00e0 2 nguy\u00ean t\u1eed. C\u1ea3 A v\u00e0 B \u0111\u1ec1u t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi H2 c\u00f3 b\u1ed9t niken nung n\u00f3ng. Cho V lit h\u1ed7n h\u1ee3p X t\u1eeb t\u1eeb \u0111i qua b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch brom d\u01b0 th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh brom t\u0103ng m gam. M\u1eb7t kh\u00e1c, \u0111\u1ed1t ch\u00e1y 1V lit h\u1ed7n h\u1ee3p X, thu \u0111\u01b0\u1ee3c 7,84 l\u00edt kh\u00ed CO2 v\u00e0 6,3 gam H2O. 2 a. T\u00ednh m b. Cho V = 6,72 l\u00edt. H\u00e3y x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a A v\u00e0 B. C\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111\u01b0\u1ee3c \u0111o \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. c. Vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o \u0111\u1ea7y \u0111\u1ee7 c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a B. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. H\u1ebft \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH N\u0102M H\u1eccC 2021 - 2022 THANH H\u00d3A \u0110\u1ec0 CH\u00cdNH TH\u1ee8C M\u00f4n thi: HO\u00c1 H\u1eccC - THCS Ng\u00e0y thi: 26\/12\/2021 Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 C\u00e2u 1. (2,0 \u0111i\u1ec3m) 1. T\u1ed5ng s\u1ed1 h\u1ea1t c\u1ee7a 2 nguy\u00ean t\u1eed kim lo\u1ea1i A v\u00e0 B l\u00e0 142. Trong \u0111\u00f3 s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n nhi\u1ec1u h\u01a1n s\u1ed1 h\u1ea1t kh\u00f4ng mang \u0111i\u1ec7n l\u00e0 42. S\u1ed1 h\u1ea1t mang \u0111i\u1ec7n c\u1ee7a nguy\u00ean t\u1eed B nhi\u1ec1u h\u01a1n nguy\u00ean t\u1eed A l\u00e0 12. X\u00e1c \u0111\u1ecbnh s\u1ed1 proton trong nguy\u00ean t\u1eed A v\u00e0 nguy\u00ean t\u1eed B. 2. Cho 8,9 gam h\u1ed7n h\u1ee3p Zn v\u00e0 Mg v\u00e0o 800 ml dung d\u1ecbch HCl 1M. a. Ch\u1ee9ng minh r\u1eb1ng sau ph\u1ea3n \u1ee9ng c\u00f2n d\u01b0 axit. b. Bi\u1ebft sau ph\u1ea3n \u1ee9ng t\u1ea1o th\u00e0nh 4,48 lit kh\u00ed (\u0111ktc), t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i c\u00f3 trong h\u1ed7n h\u1ee3p ban \u0111\u1ea7u. C\u00e2u 2. (2,0 \u0111i\u1ec3m) T\u00ecm c\u00e1c ch\u1ea5t \u0111\u1ec3 thay cho c\u00e1c ch\u1eef c\u00e1i t\u1eeb A1, A2,\u2026, A7, sau \u0111\u00f3 ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc sau, ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3). A1 + Cl2 \uf0ae KCl + A2 KCl + H2O \uf0ae A3 + Cl2 + H2 A3 + Cl2 \uf0ae A4 + KCl + H2O A4 \uf0ae KCl + A5 + A6 A4 \uf0ae KCl + A6 A3 + Cl2 \uf0ae KCl + A7 + H2O GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 554","Bi\u1ebft: A1 l\u00e0 h\u1ee3p ch\u1ea5t g\u1ed3m hai nguy\u00ean t\u1ed1, trong \u0111\u00f3 c\u00f3 ch\u1ee9a 32,7731% K theo kh\u1ed1i l\u01b0\u1ee3ng; A4 c\u00f3 ch\u1ee9a 31,836735% K theo kh\u1ed1i l\u01b0\u1ee3ng; A6 l\u00e0 ch\u1ea5t kh\u00ed \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng. C\u00e2u 3. (2,0 \u0111i\u1ec3m) 1. Trong m\u1ed9t b\u00ecnh k\u00edn ch\u1ee9a h\u1ed7n h\u1ee3p kh\u00ed R g\u1ed3m SO2, O2 c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 b\u1eb1ng 24. \u0110un n\u00f3ng b\u00ecnh m\u1ed9t th\u1eddi gian khi c\u00f3 m\u1eb7t ch\u1ea5t x\u00fac t\u00e1c V2O5 th\u00ec thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 b\u1eb1ng 30. a. T\u00ednh % theo th\u1ec3 t\u00edch m\u1ed7i kh\u00ed trong b\u00ecnh tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng. b. T\u00ednh hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng. 2. C\u00f3 c\u00e1c kh\u00ed: H2, Cl2, O2, SO2, CO2. a. Nh\u1eefng kh\u00ed n\u00e0o l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c b\u1eb1ng CaO (v\u00f4i s\u1ed1ng)? b. Nh\u1eefng kh\u00ed n\u00e0o l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c b\u1eb1ng H2SO4 \u0111\u1eb7c? c. Nh\u1eefng kh\u00ed n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu theo ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y n\u01b0\u1edbc? d. Nh\u1eefng kh\u00ed n\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu theo ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y kh\u00f4ng kh\u00ed? C\u00e2u 4. (2,0 \u0111i\u1ec3m) 1. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc ho\u00e0n th\u00e0nh s\u01a1 \u0111\u1ed3 chuy\u1ec3n ho\u00e1 sau: (ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng, n\u1ebfu c\u00f3) KMnO4 \uf0be(\uf0be1)\uf0ae O2 \uf0be(\uf0be2)\uf0ae Fe3O4 \uf0be(\uf0be3)\uf0ae H2O \uf0be(\uf0be4)\uf0ae H2SO4 \uf0be(\uf0be5)\uf0ae H2 \uf0be(\uf0be6)\uf0ae HCl 2. Cho m\u1ed9t m\u1ea9u qu\u1eb7ng apatit (ch\u1ee9a 58,9% kh\u1ed1i l\u01b0\u1ee3ng Ca3(PO4)2, c\u00f2n l\u1ea1i l\u00e0 t\u1ea1p ch\u1ea5t tr\u01a1 kh\u00f4ng ch\u1ee9a photpho) t\u00e1c d\u1ee5ng v\u1edbi H2SO4 \u0111\u1eb7c (v\u1eeba \u0111\u1ee7), l\u00e0m kh\u00f4 h\u1ed7n h\u1ee3p sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c ph\u00e2n supephotphat \u0111\u01a1n. T\u00ednh h\u00e0m l\u01b0\u1ee3ng P2O5 trong lo\u1ea1i ph\u00e2n b\u00f3n n\u00e0y. C\u00e2u 5. (2,0 \u0111i\u1ec3m) M\u1ed9t h\u1ed7n h\u1ee3p r\u1eafn A g\u1ed3m 0,2 mol Na2CO3; 0,1 mol BaCl2 v\u00e0 0,1 mol MgCl2. Ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng th\u00eam n\u01b0\u1edbc c\u1ea5t h\u00e3y tr\u00ecnh b\u00e0y c\u00e1ch t\u00e1ch m\u1ed7i ch\u1ea5t tr\u00ean ra kh\u1ecfi h\u1ed7n h\u1ee3p. Y\u00eau c\u1ea7u m\u1ed7i ch\u1ea5t sau khi t\u00e1ch ra kh\u00f4ng thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng so v\u1edbi ban \u0111\u1ea7u (c\u00e1c d\u1ee5ng c\u1ee5, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft k\u1ec3 c\u1ea3 ngu\u1ed3n nhi\u1ec7t, ngu\u1ed3n \u0111i\u1ec7n cho \u0111\u1ea7y \u0111\u1ee7). C\u00e2u 6. (2,0 \u0111i\u1ec3m) 1. C\u00f3 3 dung d\u1ecbch KOH c\u00f3 n\u1ed3ng \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0 1M, 2M, 3M. M\u1ed7i dung d\u1ecbch c\u00f3 th\u1ec3 t\u00edch 1 l\u00edt. H\u00e3y tr\u1ed9n l\u1eabn c\u00e1c dung d\u1ecbch n\u00e0y \u0111\u1ec3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch KOH c\u00f3 n\u1ed3ng \u0111\u1ed9 1,8M v\u00e0 c\u00f3 th\u1ec3 t\u00edch l\u1edbn nh\u1ea5t. 2. H\u00f2a tan ho\u00e0n to\u00e0n m (gam) h\u1ed7n h\u1ee3p X g\u1ed3m hai kim lo\u1ea1i Na v\u00e0 Ca v\u00e0o dung d\u1ecbch h\u1ed7n h\u1ee3p Y ch\u1ee9a 0,08 mol NaHCO3 v\u00e0 0,04 mol CaCl2 th\u00ec thu \u0111\u01b0\u1ee3c 7 gam k\u1ebft t\u1ee7a v\u00e0 0,896 lit kh\u00ed (\u0111ktc). T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 7. (2,0 \u0111i\u1ec3m) Chia m\u1ed9t m\u1ea9u kim lo\u1ea1i bari th\u00e0nh 3 ph\u1ea7n b\u1eb1ng nhau. Cho ph\u1ea7n 1 v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch mu\u1ed1i A thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a A1. Cho ph\u1ea7n 2 v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch mu\u1ed1i B thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a B1 v\u00e0 cho ph\u1ea7n 3 v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch mu\u1ed1i D thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a D1. Nung B1 v\u00e0 D1 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t r\u1eafn t\u01b0\u01a1ng \u1ee9ng l\u00e0 B2 v\u00e0 D2. Tr\u1ed9n B2 v\u1edbi D2 r\u1ed3i cho v\u00e0o m\u1ed9t l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch E ch\u1ee9a 2 ch\u1ea5t tan. S\u1ee5c kh\u00ed CO2 t\u1edbi d\u01b0 v\u00e0o dung d\u1ecbch E l\u1ea1i xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a B1. Bi\u1ebft r\u1eb1ng: A1, B1, D1 l\u1ea7n l\u01b0\u1ee3t l\u00e0 oxit baz\u01a1, baz\u01a1, mu\u1ed1i. H\u00e3y ch\u1ecdn c\u00e1c dung d\u1ecbch mu\u1ed1i A, B, D ph\u00f9 h\u1ee3p v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 8. (2,0 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n m (gam) Al v\u00e0o dung d\u1ecbch lo\u00e3ng ch\u1ee9a 0,2 mol H2SO4 thu \u0111\u01b0\u1ee3c kh\u00ed H2 v\u00e0 dung d\u1ecbch X. Cho t\u1eeb t\u1eeb dung d\u1ecbch NaOH 2M v\u00e0o dung d\u1ecbch X \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 sau: Th\u1ec3 t\u00edch dung d\u1ecbch NaOH (ml) 140 240 Kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a (gam) 2a + 1,56 a T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m v\u00e0 a. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 555","C\u00e2u 9. (2,0 \u0111i\u1ec3m) \u0110\u1ed1t ch\u00e1y h\u1ebft m\u1ed9t l\u01b0\u1ee3ng cacbon trong b\u00ecnh k\u00edn ch\u1ee9a \u0111\u1ea7y kh\u00f4ng kh\u00ed. Sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m 3 ch\u1ea5t. Cho X qua 100ml dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m NaOH 0,2M v\u00e0 Ba(OH)2 0,1M. K\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a v\u00e0 3,584 l\u00edt (\u0111ktc) h\u1ed7n h\u1ee3p kh\u00ed Y c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 l\u00e0 14. Ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1ed1 oxi trong Y l\u00e0 7,143%. Coi trong kh\u00f4ng kh\u00ed, O2 chi\u1ebfm 20% th\u1ec3 t\u00edch kh\u00f4ng kh\u00ed, c\u00f2n l\u1ea1i l\u00e0 kh\u00ed N2, c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. 1. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc x\u1ea3y ra. 2. T\u00ednh gi\u00e1 tr\u1ecb m. C\u00e2u 10. (2,0 \u0111i\u1ec3m) Cho h\u00ecnh v\u1ebd m\u00f4 t\u1ea3 th\u00ed nghi\u1ec7m \u0111i\u1ec1u ch\u1ebf kh\u00ed X t\u1eeb dung d\u1ecbch A v\u00e0 ch\u1ea5t r\u1eafn B (th\u00ed nghi\u1ec7m n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111i\u1ec1u ch\u1ebf kh\u00ed X trong ph\u00f2ng th\u00ed nghi\u1ec7m \u1edf ch\u01b0\u01a1ng tr\u00ecnh h\u00f3a THCS). 1. H\u00e3y vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf kh\u00ed X. 2. H\u00e3y cho bi\u1ebft c\u00e1c h\u00f3a ch\u1ea5t trong c\u00e1c b\u00ecnh (1), (2), (3) v\u00e0 ch\u1ea5t A, B, D l\u00e0 ch\u1ea5t n\u00e0o v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng g\u00ec trong th\u00ed nghi\u1ec7m tr\u00ean? ------ H\u1ebeT----- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI THCS T\u1ec8NH Y\u00caN B\u00c1I N\u0102M H\u1eccC 2021 - 2022 M\u00f4n: Ho\u00e1 h\u1ecdc \u0110\u1ec0 CH\u00cdNH TH\u1ee8C Ng\u00e0y thi: 02\/04\/2022 Th\u1eddi gian: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (4,0 \u0111i\u1ec3m) 1. Ch\u1ea5t M t\u1ea1o ra t\u1eeb 3 nguy\u00ean t\u1ed1 B, D v\u00e0 E c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed l\u00e0 BDE. T\u1ed5ng s\u1ed1 h\u1ea1t c\u01a1 b\u1ea3n trong ph\u00e2n t\u1eed M l\u00e0 78, trong \u0111\u00f3 s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n nhi\u1ec1u h\u01a1n s\u1ed1 h\u1ea1t kh\u00f4ng mang \u0111i\u1ec7n l\u00e0 26. Hi\u1ec7u s\u1ed1 kh\u1ed1i gi\u1eefa D v\u00e0 E b\u1eb1ng 19. S\u1ed1 kh\u1ed1i E g\u1ea5p 16 l\u1ea7n s\u1ed1 kh\u1ed1i B. Hi\u1ec7u s\u1ed1 proton c\u1ee7a D v\u00e0 E g\u1ea5p 9 l\u1ea7n s\u1ed1 kh\u1ed1i B. Trong h\u1ea1t nh\u00e2n nguy\u00ean t\u1eed D c\u00f3 hi\u1ec7u s\u1ed1 n\u01a1tron v\u00e0 s\u1ed1 proton b\u1eb1ng 1. H\u1ea1t nh\u00e2n nguy\u00ean t\u1eed E c\u00f3 s\u1ed1 proton b\u1eb1ng s\u1ed1 n\u01a1tron. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a M? Bi\u1ebft s\u1ed1 kh\u1ed1i c\u1ee7a h\u1ea1t nh\u00e2n (A) b\u1eb1ng s\u1ed1 proton (Z) v\u00e0 s\u1ed1 n\u01a1tron (N) (A = Z + N). 2. H\u1ed7n h\u1ee3p X g\u1ed3m SO2 v\u00e0 O2 c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 b\u1eb1ng 20. Nung n\u00f3ng 0,2 mol X trong b\u00ecnh k\u00edn ch\u1ee9a x\u00fac t\u00e1c V2O5, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y. S\u1ee5c Y v\u00e0o dung d\u1ecbch Ba(OH)2 d\u01b0, t\u1ea1o th\u00e0nh 11,49 gam k\u1ebft t\u1ee7a. T\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng oxi ho\u00e1 SO2 th\u00e0nh SO3. 3. a.H\u00e3y t\u00ednh to\u00e1n v\u00e0 n\u00eau c\u00e1ch pha ch\u1ebf \u0111\u01b0\u1ee3c 1 l\u00edt dung d\u1ecbch NaCl 0,9% (d = 1,009 g\/ml) (dung d\u1ecbch n\u01b0\u1edbc mu\u1ed1i sinh l\u00fd) t\u1eeb mu\u1ed1i natri clorua v\u00e0 n\u01b0\u1edbc tinh khi\u1ebft. b. \u1ede nhi\u1ec7t \u0111\u1ed9 20oC c\u1ea7n ho\u00e0 th\u00eam bao nhi\u00eau gam NaCl v\u00e0o 200 gam dung d\u1ecbch NaCl 10% \u0111\u1ec3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch b\u00e3o ho\u00e0, bi\u1ebft \u0111\u1ed9 tan c\u1ee7a NaCl \u1edf 20oC l\u00e0 36 gam. C\u00e2u 2. (4,0 \u0111i\u1ec3m) 1. H\u00ecnh v\u1ebd b\u00ean m\u00f4 t\u1ea3 th\u00ed nghi\u1ec7m \u0111i\u1ec1u ch\u1ebf kh\u00ed H2 trong ph\u00f2ng th\u00ed nghi\u1ec7m, h\u00e3y cho bi\u1ebft: a. Ho\u00e1 ch\u1ea5t d\u00f9ng \u1edf (1) v\u00e0 (2) l\u00e0 g\u00ec? b. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc minh ho\u1ea1? c. Kh\u00ed H2 \u0111\u00e3 thu \u0111\u01b0\u1ee3c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p g\u00ec? Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean t\u00ednh ch\u1ea5t n\u00e0o c\u1ee7a H2? GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 556","2. Tr\u1ed9n dung d\u1ecbch AgNO3 v\u1edbi dung d\u1ecbch H3PO4 kh\u00f4ng th\u1ea5y t\u1ea1o th\u00e0nh k\u1ebft t\u1ee7a. Khi th\u00eam dung d\u1ecbch NaOH v\u00e0o th\u1ea5y t\u1ea1o k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng. Khi th\u00eam dung d\u1ecbch HCl v\u00e0o k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a m\u00e0u tr\u1eafng. Gi\u1ea3i th\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc? 3. C\u00f3 3 ch\u1ea5t (A), (B) v\u00e0 (C). \u0110\u1ed1t ch\u00e1y 1 mol ch\u1ea5t (A) t\u1ea1o ra 1 mol kh\u00ed (B) v\u00e0 2 mol kh\u00ed (C). Kh\u00ed (C) \u0111\u01b0\u1ee3c sinh ra khi \u0111un n\u00f3ng S v\u1edbi H2SO4 \u0111\u1eb7c. Kh\u00ed (B) l\u00e0 m\u1ed9t oxit axit c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng oxi g\u1ea5p 2,67 l\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1ed1 t\u1ea1o oxit. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t (A), (B), (C) v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng kh\u00ed cho m\u1ed7i kh\u00ed (B), (C) l\u1ed9i qua dung d\u1ecbch Na2CO3? 4. C\u00f3 hai dung d\u1ecbch: Dung d\u1ecbch A ch\u1ee9a 0,2 mol Na2CO3 v\u00e0 0,3 mol NaHCO3; dung d\u1ecbch B ch\u1ee9a 0,5 mol HCl. Ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m sau: - Th\u00ed nghi\u1ec7m 1: \u0110\u1ed5 r\u1ea5t t\u1eeb t\u1eeb dung d\u1ecbch B v\u00e0o dung d\u1ecbch A cho \u0111\u1ebfn h\u1ebft. - Th\u00ed nghi\u1ec7m 2: \u0110\u1ed5 r\u1ea5t t\u1eeb t\u1eeb dung d\u1ecbch A v\u00e0o dung d\u1ecbch B cho \u0111\u1ebfn h\u1ebft. T\u00ednh th\u1ec3 t\u00edch kh\u00ed bay ra (\u0111ktc) trong hai th\u00ed nghi\u1ec7m tr\u00ean? C\u00e2u 3. (4,0 \u0111i\u1ec3m) 1. Cho 13 gam h\u1ed7n h\u1ee3p A g\u1ed3m m\u1ed9t kim lo\u1ea1i ki\u1ec1m M v\u00e0 m\u1ed9t kim lo\u1ea1i R (ho\u00e1 tr\u1ecb II) tan ho\u00e0n to\u00e0n v\u00e0o n\u01b0\u1edbc \u0111\u01b0\u1ee3c dung d\u1ecbch B v\u00e0 4,032 l\u00edt kh\u00ed H2 (\u0111ktc). Chia dung d\u1ecbch B th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau: Ph\u1ea7n 1: \u0111em c\u00f4 c\u1ea1n thu \u0111\u01b0\u1ee3c 8,12 gam ch\u1ea5t r\u1eafn. Ph\u1ea7n 2: cho t\u00e1c d\u1ee5ng v\u1edbi 400 ml dung d\u1ecbch HCl 0,35M, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Y. a. X\u00e1c \u0111\u1ecbnh hai kim lo\u1ea1i v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i trong A. Bi\u1ebft M < 40. b. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a Y? 2. H\u1ed7n h\u1ee3p X g\u1ed3m Cu(NO3)2 v\u00e0 AgNO3, trong \u0111\u00f3 nguy\u00ean t\u1ed1 oxi chi\u1ebfm 38,4% kh\u1ed1i l\u01b0\u1ee3ng. C\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1ed1i \u0111a bao nhi\u00eau gam kim lo\u1ea1i t\u1eeb 100 gam X? C\u00e2u 4. (2,0 \u0111i\u1ec3m) 1. Vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a c\u00e1c hi\u0111rocacbon c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed sau: C2H4; C3H6; C4H8. C\u00e1c ch\u1ea5t n\u00e0o l\u00e0 \u0111\u1ed3ng \u0111\u1eb3ng c\u1ee7a etilen? C\u00e1c ch\u1ea5t n\u00e0o l\u00e0 \u0111\u1ed3ng ph\u00e2n c\u1ee7a nhau? 2. Ch\u1ea5t \u0111\u1ed9c m\u00e0u da cam l\u00e0 m\u1ed9t lo\u1ea1i thu\u1ed1c di\u1ec7t c\u1ecf ch\u1ee9a \u0111ioxin. \u0110ioxin r\u1ea5t \u0111\u1ed9c, g\u00e2y \u0111\u1ed9t bi\u1ebfn gen, c\u00f3 th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 44,72%C; 9,94% O, c\u00f2n l\u1ea1i l\u00e0 H v\u00e0 Cl. To\u00e0n b\u1ed9 l\u01b0\u1ee3ng clo trong 0,161 gam \u0111ioxin \u0111\u01b0\u1ee3c chuy\u1ec3n h\u1ebft v\u1ec1 d\u1ea1ng AgCl th\u00ec thu \u0111\u01b0\u1ee3c 0,287 gam AgCl. Bi\u1ebft ph\u00e2n t\u1eed \u0111ioxin ch\u1ee9a 2 nguy\u00ean t\u1eed oxi. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a \u0111ioxin. C\u00e2u 5. (3,0 \u0111i\u1ec3m) 1. Theo WHO (T\u1ed5 ch\u1ee9c Y t\u1ebf th\u1ebf gi\u1edbi) m\u1ed9t trong m\u01b0\u1eddi nguy\u00ean nh\u00e2n g\u00e2y ch\u1ebft ng\u01b0\u1eddi h\u00e0ng \u0111\u1ea7u tr\u00ean th\u1ebf gi\u1edbi c\u00f3 li\u00ean quan \u0111\u1ebfn r\u01b0\u1ee3u bia. WHO khuy\u1ebfn c\u00e1o kh\u00f4ng n\u00ean u\u1ed1ng qu\u00e1 2 \u0111\u01a1n v\u1ecb r\u01b0\u1ee3u\/ng\u00e0y. M\u1ed9t lon bia ch\u1ee9a 330 ml c\u00f3 5o r\u01b0\u1ee3u. M\u1ed9t \u0111\u01a1n v\u1ecb r\u01b0\u1ee3u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 2 lon bia tr\u00ean. 3 a. T\u00ednh th\u1ec3 t\u00edch r\u01b0\u1ee3u etylic nguy\u00ean ch\u1ea5t c\u00f3 trong m\u1ed9t lon bia tr\u00ean? b. T\u00ednh s\u1ed1 ml r\u01b0\u1ee3u etylic c\u00f3 trong 1 \u0111\u01a1n v\u1ecb r\u01b0\u1ee3u? c. Anh H u\u1ed1ng 100 ml r\u01b0\u1ee3u 40o, khi ki\u1ec3m tra c\u00f3 n\u1ed3ng \u0111\u1ed9 c\u1ed3n l\u00e0 0,4 miligam\/1 l\u00edt kh\u00ed th\u1edf. N\u1ebfu anh H u\u1ed1ng m\u1ed9t lon bia ch\u1ee9a 330 ml c\u00f3 5o r\u01b0\u1ee3u, khi ki\u1ec3m tra s\u1ebd c\u00f3 n\u1ed3ng \u0111\u1ed9 c\u1ed3n l\u00e0 bao nhi\u00eau miligam\/1 l\u00edt kh\u00ed th\u1edf? Bi\u1ebft r\u01b0\u1ee3u etylic c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang d = 0,8 g\/ml. 2. Ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc sau v\u00e0 ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3): a. \u0110\u1ed1t ch\u00e1y axetilen. b. Benzen t\u00e1c d\u1ee5ng brom l\u1ecfng. c. Ph\u1ea3n \u1ee9ng este ho\u00e1 gi\u1eefa r\u01b0\u1ee3u etylic v\u00e0 axit axetic. d. Axit axetic ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ed3ng (II) oxit. e. R\u01b0\u1ee3u etylic ph\u1ea3n \u1ee9ng v\u1edbi natri. f. Metan ph\u1ea3n \u1ee9ng v\u1edbi kh\u00ed clo. g. D\u1eabn kh\u00ed etilen v\u00e0o dung d\u1ecbch brom. h. Ph\u1ea3n \u1ee9ng l\u00ean men gi\u1ea5m. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 557","3. Cho A, B, C l\u00e0 nh\u1eefng hi\u0111rocacbon c\u00f3 c\u00f9ng s\u1ed1 nguy\u00ean t\u1eed cacbon trong ph\u00e2n t\u1eed. Bi\u1ebft: - B\u1eb1ng 1 ph\u1ea3n \u1ee9ng, t\u1eeb C c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c B, t\u1eeb B c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c A v\u00e0 t\u1eeb B c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c r\u01b0\u1ee3u etylic. - Ch\u1ea5t A kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch brom v\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch KMnO4. - D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tia l\u1eeda \u0111i\u1ec7n, ch\u1ea5t A b\u1ecb ph\u00e2n hu\u1ef7, th\u1ec3 t\u00edch kh\u00ed thu \u0111\u01b0\u1ee3c g\u1ea5p 3 l\u1ea7n th\u1ec3 t\u00edch kh\u00ed A. a. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t A, B, C v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc x\u1ea3y ra? b. T\u1eeb C vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc \u0111i\u1ec1u ch\u1ebf: cao su buna; nh\u1ef1a PVC? C\u00e2u 6. (3,0 \u0111i\u1ec3m) Cho h\u1ed7n h\u1ee3p kh\u00ed A g\u1ed3m 3 hi\u0111rocacbon X, Y, Z (v\u1edbi Y, Z l\u00e0 2 ch\u1ea5t k\u1ebf ti\u1ebfp nhau trong c\u00f9ng m\u1ed9t d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 672 ml h\u1ed7n h\u1ee3p A r\u1ed3i cho to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0o b\u00ecnh ch\u1ee9a 437,5 ml dung d\u1ecbch Ba(OH)2 0,08M, ph\u1ea3n \u1ee9ng xong thu \u0111\u01b0\u1ee3c 4,925 gam k\u1ebft t\u1ee7a. M\u1eb7t kh\u00e1c, d\u1eabn 1209,6 ml h\u1ed7n h\u1ee3p A qua b\u00ecnh ch\u1ee9a n\u01b0\u1edbc brom d\u01b0. Sau ph\u1ea3n \u1ee9ng th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh brom t\u0103ng 0,468 gam v\u00e0 c\u00f3 806,4 ml h\u1ed7n h\u1ee3p kh\u00ed tho\u00e1t ra. Bi\u1ebft c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111o \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n, c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. a. T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X, Y, Z. Bi\u1ebft X, Y, Z thu\u1ed9c trong c\u00e1c d\u00e3y ankan, anken, ankin. b. T\u00ednh ph\u1ea7n tr\u0103m th\u1ec3 t\u00edch c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p A. -------------------- H\u1ebft -------------------- S\u1ede GD&\u0110T V\u0128NH PH\u00daC K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI L\u1edaP 9 THCS N\u0102M H\u1eccC 2021 - 2022 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C \u0110\u1ec0 THI M\u00d4N: H\u00d3A H\u1eccC Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (2,0 \u0111i\u1ec3m) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau: a. Cho K \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Al2(SO4)3. b. \u0110un n\u00f3ng dung d\u1ecbch NaHCO3. c. Cho Fe3O4 v\u00e0o dung d\u1ecbch HCl. d. Cho dung d\u1ecbch NaHSO4 v\u00e0o dung d\u1ecbch NaAlO2. e. Cho dung d\u1ecbch AgNO3 v\u00e0o dung d\u1ecbch Fe(NO3)2. f. S\u1ee5c CO2 v\u00e0o dung d\u1ecbch K2CO3. C\u00e2u 2. (2,0 \u0111i\u1ec3m) a. C\u00f3 ba g\u00f3i ph\u00e2n ho\u00e1 h\u1ecdc b\u1ecb m\u1ea5t nh\u00e3n l\u00e0 ph\u00e2n kali, supephotphat k\u00e9p, \u0111\u1ea1m ure c\u00f3 th\u00e0nh ph\u1ea7n ch\u00ednh l\u1ea7n l\u01b0\u1ee3t l\u00e0 KCl, Ca(H2PO4)2, (NH2)2CO, c\u00f2n l\u1ea1i l\u00e0 t\u1ea1p ch\u1ea5t tr\u01a1. H\u00e3y nh\u1eadn bi\u1ebft ba g\u00f3i ph\u00e2n b\u00f3n \u0111\u00f3 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc. b. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ebf NaCl t\u1eeb h\u1ed7n h\u1ee3p r\u1eafn g\u1ed3m NaCl, MgCl2, BaCl2 v\u00e0 CaCl2. C\u00e2u 3. (2,0 \u0111i\u1ec3m) Cho s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng sau: C\u00e1c ch\u1ea5t X1, X2, X3, X4, X5, X6 kh\u00e1c nhau. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng trong s\u01a1 \u0111\u1ed3 tr\u00ean. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 558","C\u00e2u 4. (2,0 \u0111i\u1ec3m) Cho c\u00e1c h\u00ecnh v\u1ebd sau: H\u00ecnh 1: M\u00f4 t\u1ea3 th\u00ed nghi\u1ec7m ch\u1ebf kh\u00ed O2. H\u00ecnh 2: M\u00f4 t\u1ea3 th\u00ed nghi\u1ec7m th\u1eed t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a oxi. a. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t A1, A2, A3, A4, A5 \u1edf hai h\u00ecnh v\u1ebd tr\u00ean. Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng mol c\u1ee7a c\u00e1c ch\u1ea5t th\u1ecfa m\u00e3n: MA1+ MA2 = 190; MA1- MA4 = 146; MA3+ MA4+ MA5= 86. b. Cho bi\u1ebft vai tr\u00f2 c\u1ee7a c\u00e1c ch\u1ea5t A3, A4 trong h\u00ecnh 2. C\u00e2u 5. (2,0 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n 28,4 gam h\u1ed7n h\u1ee3p X g\u1ed3m CaCO3 v\u00e0 RCO3 (s\u1ed1 mol CaCO3 g\u1ea5p hai l\u1ea7n s\u1ed1 mol RCO3; R l\u00e0 kim lo\u1ea1i) b\u1eb1ng dung d\u1ecbch HCl d\u01b0. L\u01b0\u1ee3ng kh\u00ed CO2 sinh ra h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n b\u1edfi 250 ml dung d\u1ecbch NaOH 2M, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A. Th\u00eam BaCl2 d\u01b0 v\u00e0o dung d\u1ecbch A, thu \u0111\u01b0\u1ee3c 39,4 gam k\u1ebft t\u1ee7a. X\u00e1c \u0111\u1ecbnh R. C\u00e2u 6. (2,0 \u0111i\u1ec3m) Nung m gam h\u1ed7n h\u1ee3p X g\u1ed3m Fe3O4 v\u00e0 Al trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y. Chia Y l\u00e0m 2 ph\u1ea7n: Ph\u1ea7n 1: Cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, thu \u0111\u01b0\u1ee3c 0,06 mol H2, dung d\u1ecbch Z v\u00e0 20,16 gam ch\u1ea5t r\u1eafn kh\u00f4ng tan. Ph\u1ea7n 2: Cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0, thu \u0111\u01b0\u1ee3c 0,63 mol H2. T\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p X. C\u00e2u 7. (2,0 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n 31,68 gam tinh th\u1ec3 mu\u1ed1i k\u00e9p clorua X (c\u00e1c kim lo\u1ea1i trong X c\u00f3 h\u00f3a tr\u1ecb kh\u00f4ng \u0111\u1ed5i) v\u00e0o n\u01b0\u1edbc d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. Chia Y th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau: Ph\u1ea7n 1: T\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi 90 ml dung d\u1ecbch KOH 1M, thu \u0111\u01b0\u1ee3c 2,61 gam k\u1ebft t\u1ee7a M(OH)2 v\u00e0 dung d\u1ecbch Z ch\u1ee9a m\u1ed9t mu\u1ed1i duy nh\u1ea5t. Ph\u1ea7n 2: T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch AgNO3 d\u01b0, thu \u0111\u01b0\u1ee3c 25,83 gam k\u1ebft t\u1ee7a AgCl. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a X. C\u00e2u 8. (2,0 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X g\u1ed3m Na2CO3; MgO; a mol Fe3O4 v\u00e0 a mol KHCO3 trong 336 gam dung d\u1ecbch H2SO4 17,5%. Sau khi k\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u00e0 kh\u00ed CO2. Dung d\u1ecbch Y ch\u1ee9a (m + 39,18) gam mu\u1ed1i sunfat trung h\u00f2a v\u00e0 288,9 gam H2O. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 9. (2,0 \u0111i\u1ec3m) Ho\u00e0 tan ho\u00e0n to\u00e0n 7,68 gam Mg b\u1eb1ng m gam dung d\u1ecbch HNO3 48%, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X (ch\u1ec9 ch\u1ee9a mu\u1ed1i) v\u00e0 0,16 mol h\u1ed7n h\u1ee3p kh\u00ed Y g\u1ed3m NO, NO2 c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 l\u00e0 19. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u1ee7a Mg(NO3)2 trong dung d\u1ecbch X. C\u00e2u 10. (2,0 \u0111i\u1ec3m) a. H\u1ed7n h\u1ee3p X g\u1ed3m Na (x mol), Al (y mol) v\u00e0 Fe (z mol); h\u1ed7n h\u1ee3p Y g\u1ed3m 27y gam Al v\u00e0 (11,5x + 28z) gam kim lo\u1ea1i M c\u00f3 h\u00f3a tr\u1ecb II. H\u00f2a tan ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p X ho\u1eb7c h\u1ed7n h\u1ee3p Y b\u1eb1ng dung d\u1ecbch H2SO4 lo\u00e3ng, \u0111\u1ec1u thu \u0111\u01b0\u1ee3c b mol H2. X\u00e1c \u0111\u1ecbnh M. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 559","b. Cho 14 gam h\u1ed7n h\u1ee3p X g\u1ed3m Cu, CuO, Fe2O3 v\u00e0 Fe3O4 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl v\u1eeba \u0111\u1ee7, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. S\u1ee5c t\u1eeb t\u1eeb kh\u00ed H2S \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Y, thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a Z. H\u00f2a tan h\u1ebft Z trong l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch HNO3 \u0111\u1eb7c, n\u00f3ng, thu \u0111\u01b0\u1ee3c 0,64 mol kh\u00ed NO2 (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t c\u1ee7a HNO3). M\u1eb7t kh\u00e1c, dung d\u1ecbch Y t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch ch\u1ee9a 0,098 mol KMnO4 trong H2SO4 lo\u00e3ng, d\u01b0. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. Cho H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca=40; Mn = 55; Fe = 56; Cu = 64; Zn = 65; Ag = 108; Ba = 137. --- H\u1ebft --- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O \u0110\u1ec0 THI CH\u1eccN H\u1eccC SINH GI\u1eceI L\u1edaP 9 THCS C\u1ea4P T\u1ec8NH N\u0102M H\u1eccC 2021 \u2013 2022 TUY\u00caN QUANG M\u00f4n: H\u00d3A H\u1eccC (\u0110\u1ec1 n\u00e0y c\u00f3 02 trang) Th\u1eddi gian: 150 ph\u00fat C\u00e2u 1 (4 \u0111i\u1ec3m) 1. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng, n\u00eau hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m sau: a) Nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch HCl \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Na2CO3 b) Cho m\u1ed9t \u00edt supe photphat k\u00e9p v\u00e0o n\u01b0\u1edbc, kh\u1ea5y \u0111\u1ec1u, cho ti\u1ebfp dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong v\u00e0o. c) \u0110\u1ed1t ch\u00e1y d\u00e2y s\u1eaft trong b\u00ecnh \u0111\u1ef1ng kh\u00ed clo, \u0111\u1ec3 ngu\u1ed9i, sau \u0111\u00f3 \u0111\u1ed5 n\u01b0\u1edbc v\u00e0o b\u00ecnh l\u1eafc nh\u1eb9, r\u1ed3i nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch natri hi\u0111roxit v\u00e0o b\u00ecnh. d) Nh\u1ecf v\u00e0i gi\u1ecdt dung d\u1ecbch phenolphtalein v\u00e0o c\u1ed1c \u0111\u1ef1ng dung d\u1ecbch Ca(OH)2 lo\u00e3ng, sau \u0111\u00f3 nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch HCl t\u1edbi d\u01b0 v\u00e0o c\u1ed1c. 2. C\u00f3 5 l\u1ecd m\u1ea5t nh\u00e3n \u0111\u1ef1ng 5 dung d\u1ecbch ri\u00eang bi\u1ec7t g\u1ed3m NaOH, FeCl2, FeCl3, AlCl3, MgCl2. Kh\u00f4ng d\u00f9ng th\u00eam h\u00f3a ch\u1ea5t n\u00e0o kh\u00e1c, tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc nh\u1eadn bi\u1ebft c\u00e1c dung d\u1ecbch tr\u00ean. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra (n\u1ebfu c\u00f3)? 3. Cho h\u00ecnh v\u1ebd th\u00ed nghi\u1ec7m \u0111\u01a1n ch\u1ea5t X trong ph\u00f2ng th\u00ed nghi\u1ec7m nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y: a) \u0110\u1ec1 xu\u1ea5t \u00edt nh\u1ea5t 3 ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0 ch\u1ea5t Y trong b\u00ecnh c\u1ea7u. b) Cho bi\u1ebft vai tr\u00f2 c\u1ee7a b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch NaCl b\u00e3o h\u00f2a v\u00e0 H2SO4 \u0111\u0103c? c) Cho m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0o b\u00ecnh \u0111\u1ef1ng X. N\u00eau hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra khi cho gi\u1ea5y qu\u1ef3 t\u00edm v\u00e0o b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch X \u0111\u00e3 \u0111\u1ec3 l\u00e2u ng\u00e0y. Gi\u1ea3i th\u00edch? C\u00e2u 2: (4 \u0111i\u1ec3m) 1. H\u1ed7n h\u1ee3p A g\u1ed3m CaCO3, Cu, Fe2O3. Nung n\u00f3ng A (trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed) m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn B v\u00e0 kh\u00ed C. Cho kh\u00ed C h\u1ea5p th\u1ee5 v\u00e0o dung d\u1ecbch Ba(OH)2 thu \u0111\u01b0\u1ee3c dung d\u1ecbch D. D v\u1eeba t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi HCl, v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi NaOH. H\u00f2a tan B v\u00e0o n\u01b0\u1edbc d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch E v\u00e0 ch\u1ea5t r\u1eafn F. Khi cho F v\u00e0o dung d\u1ecbch HCl d\u01b0 \u0111\u01b0\u1ee3c kh\u00ed C, c\u00f2n khi h\u00f2a tan F v\u00e0o dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng, d\u01b0 thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed G. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n c\u1ee7a B, C, D, E, F, G v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. Cho h\u1ed7n h\u1ee3p g\u1ed3m Mg v\u00e0 Cu t\u00e1c d\u1ee5ng 200 ml dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m AgNO3 0,3M v\u00e0 Cu(NO3)2 0,25M thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 ch\u1ea5t r\u1eafn Y. Cho dung d\u1ecbch X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, l\u1ecdc GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 560","k\u1ebft t\u1ee7a, nung \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 3,6 gam h\u1ed7n h\u1ee3p g\u1ed3m 2 oxit. H\u00f2a tan Y v\u00e0o H2SO4 \u0111\u1eb7c, n\u00f3ng, d\u01b0 thu \u0111\u01b0\u1ee3c 2,016 l\u00edt SO2 (\u1edf \u0111ktc). T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng t\u1eebng ch\u1ea5t trong h\u1ed7n h\u1ee3p kim lo\u1ea1i ban \u0111\u1ea7u? C\u00e2u 3 (4 \u0111i\u1ec3m) 1. Cho h\u1ed7n h\u1ee3p kh\u00ed g\u1ed3m CO, CO2, SO2 c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi H2 l\u00e0 20,5. Bi\u1ebft s\u1ed1 mol SO2 v\u00e0 s\u1ed1 mol CO2 trong h\u1ed7n h\u1ee3p b\u1eb1ng nhau. T\u00ednh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m theo th\u1ec3 t\u00edch c\u1ee7a t\u1eebng kh\u00ed trong h\u1ed7n h\u1ee3p ban \u0111\u1ea7u? 2. Cho 3,2 gam oxit c\u1ee7a m\u1ed9t kim lo\u1ea1i (h\u00f3a tr\u1ecb II) t\u00e1c d\u1ee5ng v\u1edbi 100ml dung d\u1ecbch H2SO4 0,8M, c\u00f4 c\u1ea1n dung d\u1ecbch thu \u0111\u01b0\u1ee3c 19,68 gam tinh th\u1ec3 mu\u1ed1i ng\u1eadm n\u01b0\u1edbc. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i ng\u1eadm n\u01b0\u1edbc tr\u00ean? 3. Cho 8 gam MnO2 v\u00e0o 59,1 gam h\u1ed7n h\u1ee3p X g\u1ed3m KCl v\u00e0 KClO3 thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y. Nung Y \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Z v\u00e0 kh\u00ed T. Cho Z v\u00e0o dung d\u1ecbch AgNO3 d\u01b0, khu\u1ea5y \u0111\u1ec1u thu \u0111\u01b0\u1ee3c 94,1 gam ch\u1ea5t r\u1eafn. L\u1ea5y 1\/5 l\u01b0\u1ee3ng kh\u00ed T \u1edf tr\u00ean s\u1ee5c v\u00e0o dung d\u1ecbch ch\u1ee9a 0,4 mol FeSO4, 0,1 mol Fe2(SO4)3 v\u00e0 0,3 mol H2SO4 thu \u0111\u01b0\u1ee3c dung d\u1ecbch R. Cho dung d\u1ecbch Ba(OH)2 d\u01b0 v\u00e0o R, thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m? C\u00e2u 4 (4 \u0111i\u1ec3m) 1. \u0110\u1ed1t ch\u00e1y h\u1ebft 0,2 mol h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 A (ch\u1ee9a C, H, O) c\u1ea7n v\u1eeba \u0111\u1ee7 8,96 l\u00edt kh\u00ed O2 (\u1edf \u0111ktc). Cho to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y l\u1ea7n l\u01b0\u1ee3t \u0111i ch\u1eadm qua b\u00ecnh (1) \u0111\u1ef1ng 100g dung d\u1ecbch H2SO4 96,48% (d\u01b0), b\u00ecnh (2) \u0111\u1ef1ng dung d\u1ecbch KOH (d\u01b0), th\u00ec s\u1ea3n ph\u1ea9m ch\u00e1y b\u1ecb h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n. Sau th\u00ed nghi\u1ec7m n\u1ed3ng \u0111\u1ed9 dung d\u1ecbch H2SO4 \u1edf b\u00ecnh (1) l\u00e0 90%, \u1edf b\u00ecnh (2) c\u00f3 55,2 gam mu\u1ed1i t\u1ea1o th\u00e0nh. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a A. Bi\u1ebft r\u1eb1ng A t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch KHCO3 gi\u1ea3i ph\u00f3ng kh\u00ed CO2. 2. Y l\u00e0 h\u1ed7n h\u1ee3p g\u1ed3m ancol etylic v\u00e0 2 axit h\u1eefu c\u01a1 k\u1ebf ti\u1ebfp c\u00f3 d\u1ea1ng CnH2n+1COOH v\u00e0 Cn+1H2n+3COOH. Chia Y l\u00e0m 2 ph\u1ea7n b\u1eb1ng nhau. Ph\u1ea7n 1: Cho t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na d\u01b0 thu \u0111\u01b0\u1ee3c 2,24 l\u00edt kh\u00ed H2 (\u1edf \u0111ktc). Ph\u1ea7n 2: \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n, cho s\u1ea3n ph\u1ea9m ch\u00e1y h\u1ea5p th\u1ee5 h\u1ebft v\u00e0o dung d\u1ecbch Ba(OH)2 d\u01b0, thu \u0111\u01b0\u1ee3c 128,05 gam k\u1ebft t\u1ee7a, \u0111\u1ed3ng th\u1eddi kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch sau ph\u1ea3n \u1ee9ng gi\u1ea3m 85,95 gam so v\u1edbi ban \u0111\u1ea7u. a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a 2 axit tr\u00ean. b. T\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng t\u1eebng ch\u1ea5t trong h\u1ed7n h\u1ee3p ban \u0111\u1ea7u. C\u00e2u 5 (4 \u0111i\u1ec3m) 1. Kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng c\u00f3 nhi\u1ec1u ch\u1ea5t h\u00f3a h\u1ecdc g\u00e2y \u00f4 nhi\u1ec5m m\u1ed7i tr\u01b0\u1eddng, trong \u0111\u00f3 c\u00f3 SO2. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p lo\u1ea1i b\u1ecf SO2 ra kh\u1ecfi kh\u00ed th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n l\u00e0 cho kh\u00ed th\u1ea3i l\u1ed9i qua dung d\u1ecbch Canxi hi\u0111roxit (d\u1ea1ng huy\u1ec1n ph\u00f9 \u2013 h\u1ed7n h\u1ee3p kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, g\u1ed3m h\u1ea1t ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng ph\u00e2n t\u00e1n trong ch\u1ea5t l\u1ecfng), s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0 th\u1ea1ch cao (CaSO4.2H2O). a. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra. b. C\u1ea7n d\u00f9ng bao nhi\u00eau kg Caxi hi\u0111roxit m\u1ed7i ng\u00e0y \u0111\u1ec3 lo\u1ea1i 90% SO2, bi\u1ebft r\u1eb1ng l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i l\u00e0 104 m3\/h (\u1edf \u0111ktc) ch\u1ee9a 0,15 % SO2 v\u1ec1 th\u1ec3 t\u00edch. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng th\u1ea1ch cao thu \u0111\u01b0\u1ee3c (kg) n\u1ebfu gi\u1ea3 thi\u1ebft l\u01b0\u1ee3ng h\u00f2a tan c\u1ee7a CaSO4 chi\u1ebfm 0,6% kh\u1ed1i l\u01b0\u1ee3ng CaSO4 t\u1ea1o th\u00e0nh. 2. Cho h\u1ed7n h\u1ee3p kh\u00ed A g\u1ed3m 3 hi\u0111rocacbon X, Y, Z thu\u1ed9c c\u00f9ng d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng (MX < My <MZ) v\u00e0 MZ = 2MX. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 3,36 l\u00edt Z (\u1edf \u0111ktc) r\u1ed3i d\u1eabn s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0o dung d\u1ecbch Ca(OH)2 d\u01b0 thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. T\u00ednh gi\u00e1 tr\u1ecb m? 3. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,2 mol h\u1ed7n h\u1ee3p M g\u1ed3m 1 ancol no X1 v\u00e0 1 axit h\u1eefu c\u01a1 \u0111\u01a1n ch\u1ee9c Y1, \u0111\u1ec1u m\u1ea1ch h\u1edf c\u1ea7n v\u1eeba \u0111\u1ee7 0,675 mol O2, thu \u0111\u01b0\u1ee3c 0,6 mol CO2 v\u00e0 0,55 mol H2O. Khi \u0111\u1ed1t ch\u00e1y a gam h\u1ed7n h\u1ee3p M cho d\u00f9 s\u1ed1 mol X1, Y1 thay \u0111\u1ed5i th\u00ec lu\u00f4n thu \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng CO2 kh\u00f4ng \u0111\u1ed5i. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t X1, Y1. ----H\u1ebeT---- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 561","UBND TP H\u1ed2 CH\u00cd MINH K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P TH\u00c0NH PH\u1ed0 S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O L\u1edaP 9 N\u0102M H\u1eccC 2021 \u2013 2022 M\u00f4n: H\u00d3A H\u1eccC Th\u1eddi gian: 120 ph\u00fat Ng\u00e0y thi: 30\/3\/2022 C\u00e2u 1: (5 \u0111i\u1ec3m) 1.1. Hi\u1ec7n nay, kh\u00ed gas - kh\u00ed d\u1ea7u m\u1ecf h\u00f3a l\u1ecfng (Liquefied Petroleum Gas) \u0111\u01b0\u1ee3c xem l\u00e0 ngu\u1ed3n nhi\u00ean li\u1ec7u kh\u00e1 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, do khi \u0111\u1ed1t ch\u00e1y sinh ra c\u00e1c kh\u00ed NOx, kh\u00ed \u0111\u1ed9c v\u00e0 t\u1ea1p ch\u1ea5t th\u1ea5p. Kh\u00ed gas c\u00f3 th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 propan (C3H8) v\u00e0 butan (C4H10). B\u00ecnh th\u01b0\u1eddng propan v\u00e0 butan \u1edf d\u1ea1ng kh\u1ec9 kh\u00ed gas l\u00e0 kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i. a) T\u1ea1i sao trong c\u00e1c qu\u1eb9t gas ho\u1eb7c c\u00e1c b\u00ecnh ch\u1ee9a gas, ta th\u1ea5y kh\u00ed gas \u1edf tr\u1ea1ng th\u00e1i l\u1ecfng b) Kh\u00ed gas th\u01b0\u1eddng c\u00f3 m\u00f9i kh\u00f3 ch\u1ecbu. Em h\u00e3y cho bi\u1ebft v\u00ec sao v\u00e0 \u00fd ngh\u0129a c\u1ee7a vi\u1ec7c n\u00e0y? c) Gia \u0111\u00ecnh c\u1ee7a b\u1ea1n Huy \u0111ang s\u1eed d\u1ee5ng lo\u1ea1i kh\u00ed gas c\u00f3 t\u1ec9 l\u1ec7 th\u1ec3 t\u00edch propan v\u00e0 butan t\u01b0\u01a1ng \u1ee9ng l\u00e0 3 : 7, c\u00f3 t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 12 kilogam (kg) \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o b\u00ecnh th\u00e9p chuy\u00ean d\u1ee5ng. H\u1ecfi th\u1ec3 t\u00edch (l\u00edt) kh\u00ed O2 l\u00e0 bao nhi\u00eau, c\u1ea7n \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n kh\u00ed propan v\u00e0 butan khi tho\u00e1t h\u1ebft ra kh\u1ecfi b\u00ecnh? Bi\u1ebft r\u1eb1ng, 1 kilogam (kg) th\u1ec3 l\u1ecfng \u1edf trong b\u00ecnh, khi tho\u00e1t ra ngo\u00e0i t\u1ea1o th\u00e0nh 250 l\u00edt th\u1ec3 kh\u00ed. C\u00e1c th\u1ec3 t\u00edch \u0111\u1ec1u \u0111o trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t. 1.2. Trong c\u00f4ng nghi\u1ec7p, kh\u00ed Cl2 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch NaCl b\u00e3o h\u00f2a, c\u00f3 v\u00e1ch ng\u0103n x\u1ed1p gi\u1eefa hai \u0111i\u1ec7n c\u1ef1c (nh\u01b0 h\u00ecnh v\u1ebd). a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc ph\u1ea3n \u1ee9ng x\u1ea3y ra. Cho bi\u1ebft vai tr\u00f2 c\u1ee7a v\u00e1ch ng\u0103n x\u1ed1p. b) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc ph\u1ea3n \u1ee9ng x\u1ea3y ra khi kh\u00f4ng c\u00f3 v\u00e1ch ng\u0103n x\u1ed1p. Dung d\u1ecbch thu \u0111\u01b0\u1ee3c t\u00ean g\u1ecdi l\u00e0 g\u00ec v\u00e0 c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0o trong cu\u1ed9c s\u1ed1ng? c) \u0110i\u1ec7n ph\u00e2n 200 gam dung d\u1ecbch NaCl 16% (c\u00f3 v\u00e1ch ng\u0103n) sau m\u1ed9t th\u1eddi gian, thu \u0111\u01b0\u1ee3c 2,24 l\u00edt kh\u00ed Cl2 (\u0111ktc). T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m NaCl trong S\u01a1 \u0111\u1ed3 th\u00f9ng \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch NaCl dung d\u1ecbch sau \u0111i\u1ec7n ph\u00e2n cho r\u1eb1ng qu\u00e1 tr\u00ecnh \u0111i\u1ec7n ph\u00e2n l\u00e0m H2O b\u1ecb bay h\u01a1i kh\u00f4ng \u0111\u00e1ng k\u1ec3). 1.3. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n hi\u0111rocacbon X (ch\u1ee9a t\u1ed1i \u0111a 2 li\u00ean k\u1ebft k\u00e9m b\u1ec1n) c\u1ea7n d\u00f9ng 11,088 l\u00edt O2 (\u0111ktc), thu \u0111\u01b0\u1ee3c CO2 v\u00e0 4,86 gam H2O. Vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a X, bi\u1ebft r\u1eb1ng m\u1ea1ch cacbon c\u1ee7a X l\u00e0 m\u1ea1ch th\u1eb3ng v\u00e0 \u0111\u1ed1i x\u1ee9ng. C\u00e2u 2: (5 \u0111i\u1ec3m) 2.1. H\u1ed7n h\u1ee3p A g\u1ed3m Cu v\u00e0 Fe3O4. Cho h\u1ed7n h\u1ee3p A v\u00e0o dung d\u1ecbch HCl lo\u00e3ng, thu \u0111\u01b0\u1ee3c dung d\u1ecbch B v\u00e0 kim lo\u1ea1i kh\u00f4ng tan. Cho dung d\u1ecbch B t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a D, L\u1ecdc k\u1ebft t\u1ee7a D, nung trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thi \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn E. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t trong dung d\u1ecbch B, k\u1ebft t\u1ee7a D v\u00e0 ch\u1ea5t r\u1eafn E. 2.2. C\u00f3 4 dung d\u1ecbch kh\u00f4ng m\u00e0u \u0111\u1ef1ng trong 4 l\u1ecd m\u1ea5t nh\u00e2n trong s\u1ed1 c\u00e1c ch\u1ea5t sau: K2SO4, NaHCO3, Mg(HCO3)2, Ba(HCO3)2. Ch\u1ec9 d\u00f9ng th\u00eam c\u00e1ch \u0111un n\u00f3ng (kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t kh\u00e1c) h\u00e3y nh\u1eadn bi\u1ebft c\u00e1c dung d\u1ecbch tr\u00ean. 2.3. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 t\u00e1ch ri\u00eang kim lo\u1ea1i natri v\u00e0 \u0111\u1ed3ng t\u1eeb h\u1ed7n h\u1ee3p g\u1ed3m: Na2CO3, CuO v\u00e0 CaCO3. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 562","C\u00e2u 3: (6 \u0111i\u1ec3m) 3.1. Nung m gam h\u1ed7n h\u1ee3p r\u1eafn X g\u1ed3m FeCO3 v\u00e0 FeS2 trong b\u00ecnh k\u00edn ch\u1ee9a l\u01b0\u1ee3ng d\u01b0 kh\u00f4ng kh\u00ed. Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, \u0111\u01b0a b\u00ecnh v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn duy nh\u1ea5t l\u00e0 Fe2O3 v\u00e0 h\u1ed7n h\u1ee3p kh\u00ed, \u00c1p su\u1ea5t kh\u00ed trong b\u00ecnh tr\u01b0\u1edbc v\u00e0 sau ph\u1ea3n \u1ee9ng b\u1eb1ng nhau. M\u1eb7t kh\u00e1c, cho m gam X v\u00e0o l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch H2SO4 (\u0111\u1eb7c, n\u00f3ng), thu \u0111\u01b0\u1ee3c 0,9 mol h\u1ed7n h\u1ee3p kh\u00ed Y. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. 3.2. Nung n\u00f3ng 50 gam h\u1ed7n h\u1ee3p CaCO3 v\u00e0 KHCO3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p r\u1eafn X. H\u00f2a tan X v\u00e0o H2O d\u01b0, thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a v\u00e0 dung d\u1ecbch Y. Cho t\u1eeb t\u1eeb dung d\u1ecbch HCl 1M v\u00e0o Y \u0111\u1ebfn khi b\u1eaft \u0111\u1ea7u c\u00f3 kh\u00ed tho\u00e1t ra th\u00ec d\u00f9ng h\u1ebft V1 l\u00edt dung d\u1ecbch HCl \u0111\u1ebfn khi kh\u00f4ng c\u00f2n kh\u00ed tho\u00e1t ra th\u00ec d\u00f9ng h\u1ebft V2 l\u00edt dung d\u1ecbch HCl, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z; Cho bi\u1ebft V1 :V2 = 11 : 18. a) T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. b) Cho Z t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch AgNO3 d\u01b0, t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c. C\u00e2u 4: (4 \u0111i\u1ec3m) 4.1. H\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m CH4, C2H2 v\u00e0 C2H4 c\u00f3 t\u1ec9 kh\u1ed1i h\u01a1i so v\u1edbi H2 b\u1eb1ng 11,75. Tr\u1ed9n V1 l\u00edt X v\u1edbi V2 l\u00edt hi\u0111rocacbon Y \u0111\u01b0\u1ee3c 260 gam h\u1ed7n h\u1ee3p kh\u00ed Z. Tr\u1ed9n V2 l\u00edt X v\u1edbi V1 l\u00edt hi\u0111rocacbon Y \u0111\u01b0\u1ee3c 223 gam h\u1ed7n h\u1ee3p kh\u00ed F. Bi\u1ebft V2 \u2013 V1 = 44,8; c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111\u1ec1u \u0111o \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. T\u00ecm c\u00f4ng th\u1ee9c c\u1ee7a hidrocacbon Y. 4.2. H\u1ed7n h\u1ee3p X g\u1ed3m C2H2 v\u00e0 H2, t\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a X so v\u1edbi H2 b\u1eb1ng 5,8. \u0110un n\u00f3ng 4,48 l\u00edt (\u0111ktc) h\u1ed7n h\u1ee3p X trong m\u1ed9t b\u00ecnh k\u00edn (x\u00fac t\u00e1c Ni) sau m\u1ed9t th\u1eddi gian, thu \u0111\u01b0\u1ee3c 2,912 l\u00edt (\u0111ktc) h\u1ed7n h\u1ee3p kh\u00ed Y. Cho Y l\u1ed9i t\u1eeb t\u1eeb v\u00e0o b\u00ecnh n\u01b0\u1edbc brom (d\u01b0), sau khi k\u1ebft th\u00fac c\u00e1c ph\u1ea3n \u1ee9ng, kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh t\u0103ng m gam v\u00e0 tho\u00e1t ra h\u1ed7n h\u1ee3p kh\u00ed 2. T\u1ec9 kh\u1ed1i c\u1ee7a Z so v\u1edbi H2 l\u00e0 6,25. a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. b) T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. Cho kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H=1; C = 12; 0 16; S=32; Cl=35,5; Na = 23; K = 39; Ca=40; Fe = 56; Cu=64; Ba=137. --- H\u1ebeT--- S\u1ede GI\u00c1O D\u1ee4C \u0110\u00c0O T\u1ea0O \u0110\u1ec0 THI CH\u1eccN H\u1eccC SINH GI\u1eceI L\u1edaP 9 N\u0102M H\u1eccC 2021-2022 TH\u00c1I B\u00ccNH M\u00f4n H\u00d3A H\u1eccC (Ch\u00ednh th\u1ee9c) Th\u1eddi gian l\u00e0m b\u00e0i 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 ) C\u00e2u 1. (3,5 \u0111i\u1ec3m) 1. Cho t\u1eebng ch\u1ea5t Fe, BaO, Al2O3, Na2S l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c dung d\u1ecbch NaHSO4 ,CuSO4 ,Al2(SO4)3 . H\u00e3y vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra? 2. H\u00e3y t\u00ecm ch\u1ea5t th\u00edch h\u1ee3p v\u00e0 ho\u00e0n th\u00e0nh ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc theo s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng sau : A1 \uf0be\uf0be\uf0ae A2 \uf0be\uf0be\uf0ae A3 \uf0be\uf0be\uf0ae A4 \uf0be\uf0be\uf0ae A5 \uf0be\uf0be\uf0ae A6 Bi\u1ebft A1 m\u1ed9t l\u00e0 kim lo\u1ea1i nh\u1eb9 m\u00e0u tr\u1eafng b\u1ea1c d\u1eabn \u0111i\u1ec7n t\u1ed1t lu\u00f4n c\u00f3 h\u00f3a tr\u1ecb III. Dung d\u1ecbch A6 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch BaCl2 t\u1ea1o k\u1ebft t\u1ee7a tr\u1eafng kh\u00f4ng tan trong c\u00e1c axit, A3 c\u00f3 m\u00f9i tr\u1ee9ng th\u1ed1i . C\u00e2u 2. (2,5 \u0111i\u1ec3m) T\u1eeb CaCO3 , NaCl , H2O v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m th\u00ed nghi\u1ec7m h\u00e3y tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m 2 mu\u1ed1i NaHCO3 ,NaHCO3 theo t\u1ec9 l\u1ec7 mol 1: 1. C\u00e2u . (1,5 \u0111i\u1ec3m) Cho 28,275 g h\u1ed7n h\u1ee3p X g\u1ed3m NaOH, Na2CO3 ,CaCO3 ,Ca(OH)2 t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c 4,2 l\u00edt CO2 (\u0111ktc) v\u00e0 dung d\u1ecbch Y .C\u00f4 c\u1ea1n dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c 23,4 g NaCl v\u00e0 m gam CaCl2 .T\u00ednh m. C\u00e2u 4. ( 2,5 \u0111i\u1ec3m) H\u00f2a tan a gam h\u1ed7n h\u1ee3p g\u1ed3m Na2CO3, MgO , z mol Fe3O4 , 2z mol KHCO3 trong 200 gam dung d\u1ecbch H2 SO4 19,6%. Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c dung d\u1ecbch ch\u1ec9 ch\u1ee9a (a + 24,5) gam mu\u1ed1i sunfat trung h\u00f2a, kh\u00ed CO2 v\u00e0 168,9 gam n\u01b0\u1edbc. T\u00ecm a v\u00e0 Z? GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 563","C\u00e2u 5, ( 3 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n m gam oxit MO (M l\u00e0 kim lo\u1ea1i) trong 156,8 gam dung d\u1ecbch H2SO4 5% th\u00ec thu \u0111\u01b0\u1ee3c dung d\u1ecbch X trong \u0111\u00f3 n\u1ed3ng \u0111\u1ed9 H2SO4 c\u00f2n d\u01b0 l\u00e0 1,832 9%. M\u1eb7t kh\u00e1c khi cho CO d\u01b0 qua m gam MO nung n\u00f3ng sau ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c kh\u00ed Y. D\u1eabn to\u00e0n b\u1ed9 kh\u00ed Y thu \u0111\u01b0\u1ee3c qua 800 ml dung d\u1ecbch NaOH 0,1 M th\u00ec ch\u1ec9 c\u00f2n l\u1ea1i m\u1ed9t kh\u00ed duy nh\u1ea5t tho\u00e1t ra trong dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 4,86 gam mu\u1ed1i. 1. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i M v\u00e0 t\u00ednh m ? 2. Cho x gam Al v\u00e0o dung d\u1ecbch X n\u00f3i tr\u00ean sau ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 1,68 gam m\u1ed9t ch\u1ea5t r\u1eafn . T\u00ednh x. C\u00e2u 6. ( 1,5 \u0111i\u1ec3m) H\u00f2a tan h\u1ebft 15,2 gam Fe Cu b\u1eb1ng dung d\u1ecbch H2SO4 \u0111\u1eb7c n\u00f3ng sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch X Cho X t\u00e1c d\u1ee5ng v\u1edbi NaOH d\u01b0 thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Y. Nung Y ngo\u00e0i kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 20,8 g h\u1ed7n h\u1ee3p Fe2O3 v\u00e0 CuO. T\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i trong h\u1ed7n h\u1ee3p ban \u0111\u1ea7u. C\u00e2u 7. (2,5 \u0111i\u1ec3m) Cho a gam Ba v\u00e0o 200 ml dung d\u1ecbch X g\u1ed3m Ba(OH)2 0,1 M v\u00e0 KOH 0,3 M. Sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u00e0 V l\u00edt kh\u00ed (\u0111ktc). Cho t\u1eeb t\u1eeb dung d\u1ecbch Y v\u00e0o 100 ml dung d\u1ecbch Al2(SO4)3 0,25 M thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Z l\u1ecdc t\u00e1ch k\u1ebft t\u1ee7a Z nung \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 9,03 gam ch\u1ea5t r\u1eafn. 1. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. T\u00ednh a v\u00e0 V. C\u00e2u 8. ( 3 \u0111i\u1ec3m) 1. H\u00f2a tan m gam Ba trong 500 ml dung d\u1ecbch HCl 1M ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u00e0 7,84 l\u00edt hi\u0111ro (\u0111ktc). C\u00f4 c\u1ea1n y thu \u0111\u01b0\u1ee3c m1 gam ch\u1ea5t r\u1eafn khan T\u00ednh m1 v\u00e0 m. 2. Cho h\u1ed7n h\u1ee3p A g\u1ed3m Fe3O4 v\u00e0 Cu t\u00e1c d\u1ee5ng \u0111\u1ee7 v\u1edbi 500 ml dung d\u1ecbch HCl 0,96 M thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 1 ch\u1ea5t r\u1eafn kh\u00f4ng tan. Th\u00eam dung d\u1ecbch AgNO3 d\u01b0 v\u00e0o dung d\u1ecbch X, ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Y. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a Y. --H\u1ebeT--- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH THCS N\u0102M 2022 T\u1ec8NH QU\u1ea2NG NINH M\u00f4n thi: HO\u00c1 H\u1eccC \u2013 B\u1ea3ng A \u0110\u1ec0 THI CH\u00cdNH TH\u1ee8C Ng\u00e0y thi: 23\/02\/2022 Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 C\u00e2u 1. (4,5 \u0111i\u1ec3m) 1. Cho c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng sau, trong \u0111\u00f3 X1, X2, X3, X4, X5 l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 kh\u00e1c nhau v\u00e0 X1, X4 l\u00e0 nh\u1eefng ch\u1ea5t k\u1ebft t\u1ee7a trong dung d\u1ecbch. AlCl3 + NaHCO3 \uf0ae X1 + CO2 + NaCl X1 + X2 \uf0ae Al2(SO4)3 + Na2SO4 + H2O NaHCO3 + X2 \uf0ae CO2 + ...... X1 + Ba(OH)2 \uf0ae H2O + X3 X2 + X3 + H2O \uf0ae X1 + X4 + ........ NaHCO3 + NaOH \uf0ae X5 + H2O Al2(SO4)3 + X5 + H2O \uf0ae X1 + CO2 + ...... X\u00e1c \u0111\u1ecbnh X1, X2, X3, X4, X5. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. H\u1ed7n h\u1ee3p X g\u1ed3m hai kim lo\u1ea1i h\u00f3a tr\u1ecb I v\u00e0 m\u1ed9t kim lo\u1ea1i h\u00f3a tr\u1ecb II. H\u00f2a tan ho\u00e0n to\u00e0n 19,9 gam h\u1ed7n h\u1ee3p X v\u00e0o n\u01b0\u1edbc, thu \u0111\u01b0\u1ee3c V1 l\u00edt dung d\u1ecbch Y v\u00e0 4,48 l\u00edt kh\u00ed H2 (\u0111ktc). Dung d\u1ecbch Z l\u00e0 dung GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 564","d\u1ecbch h\u1ed7n h\u1ee3p c\u1ee7a hai axit: H2SO4 v\u00e0 HCl, trong \u0111\u00f3 s\u1ed1 mol HCl g\u1ea5p 2 l\u1ea7n s\u1ed1 mol H2SO4. Trung h\u00f2a V1 l\u00edt dung d\u1ecbch Y b\u1eb1ng V2 l\u00edt dung d\u1ecbch Z t\u1ea1o ra m gam h\u1ed7n h\u1ee3p mu\u1ed1i. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 2. (4,0 \u0111i\u1ec3m). 1. C\u00f3 n\u0103m l\u1ecd kh\u00f4ng nh\u00e3n, m\u1ed7i l\u1ecd ch\u1ee9a m\u1ed9t trong n\u0103m dung d\u1ecbch sau: MgSO4, NaCl, H2SO4, Na2CO3, HCl. Ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng th\u00eam m\u1ed9t thu\u1ed1c th\u1eed l\u00e0 dung d\u1ecbch BaCl2, h\u00e3y tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc nh\u1eadn bi\u1ebft c\u00e1c l\u1ecd dung d\u1ecbch tr\u00ean v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. H\u00f2a tan m\u1ed9t l\u01b0\u1ee3ng Fe3O4 v\u00e0o dung d\u1ecbch HCl lo\u00e3ng v\u1eeba \u0111\u1ee7, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho kim lo\u1ea1i Cu d\u01b0 v\u00e0o dung d\u1ecbch X, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. Cho dung d\u1ecbch NaOH lo\u00e3ng d\u01b0 v\u00e0o dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Z. L\u1ecdc, t\u00e1ch k\u1ebft t\u1ee7a Z, \u0111em nung trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn T. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra, x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n c\u1ee7a dung d\u1ecbch X, dung d\u1ecbch Y, k\u1ebft t\u1ee7a Z v\u00e0 ch\u1ea5t r\u1eafn T. Gi\u1ea3 thi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. C\u00e2u 3. (4,0 \u0111i\u1ec3m) Cho 9,12 gam FeSO4 v\u00e0 13,68 gam Al2(SO4)3 v\u00e0o 100 gam dung d\u1ecbch H2SO4 9,8% thu \u0111\u01b0\u1ee3c dung d\u1ecbch A. H\u00f2a tan 38,8 gam NaOH nguy\u00ean ch\u1ea5t v\u00e0o dung d\u1ecbch A thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a B v\u00e0 dung d\u1ecbch C. - T\u00e1ch k\u1ebft t\u1ee7a B, sau \u0111\u00f3 \u0111em nung trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn c\u00f2n l\u1ea1i sau khi nung k\u1ebft t\u1ee7a B. - Cho V l\u00edt dung d\u1ecbch HCl 2M v\u00e0o dung d\u1ecbch C thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a, l\u1ecdc k\u1ebft t\u1ee7a, \u0111em nung \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 2,55 gam. T\u00ecm gi\u00e1 tr\u1ecb c\u1ee7a V. C\u00e2u 4. (3,5 \u0111i\u1ec3m) 1. Ch\u1ec9 d\u00f9ng hai h\u00f3a ch\u1ea5t l\u00e0 kh\u00ed CO2 v\u00e0 dung d\u1ecbch NaOH, n\u00eau hai ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf Na2CO3 trong ph\u00f2ng th\u00ed nghi\u1ec7m. Gi\u1ea3 s\u1eed c\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u00ed nghi\u1ec7m c\u1ea7n thi\u1ebft c\u00f3 \u0111\u1ee7. 2. Trong n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p c\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng c\u00e1c mu\u1ed1i tan c\u1ee7a m\u1ed9t s\u1ed1 kim lo\u1ea1i n\u1eb7ng nh\u01b0: Pb, Fe, ... \u0110\u1ec3 x\u1eed l\u00fd s\u01a1 b\u1ed9 n\u01b0\u1edbc th\u1ea3i tr\u00ean (l\u00e0m gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng c\u00e1c mu\u1ed1i c\u1ee7a kim lo\u1ea1i n\u1eb7ng) c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t h\u00f3a ch\u1ea5t r\u1ebb ti\u1ec1n, d\u1ec5 ki\u1ebfm n\u00e0o? H\u00e3y vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng minh h\u1ecda. 3. H\u1ed7n h\u1ee3p r\u1eafn A g\u1ed3m CuO v\u00e0 MgO. Cho lu\u1ed3ng kh\u00ed CO (d\u01b0) \u0111i qua 14,0 gam h\u1ed7n h\u1ee3p A nung n\u00f3ng \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 11,6 gam ch\u1ea5t r\u1eafn. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng CuO c\u00f3 trong h\u1ed7n h\u1ee3p r\u1eafn A. C\u00e2u 5. (4,0 \u0111i\u1ec3m) 1. Ng\u01b0\u1eddi ta \u0111\u1ed1t 5,6 gam Fe trong kh\u00ed O2, sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c m1 gam h\u1ed7n h\u1ee3p r\u1eafn A. H\u00f2a tan ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p r\u1eafn A trong 520 ml dung d\u1ecbch HCl 0,5M, thu \u0111\u01b0\u1ee3c dung d\u1ecbch B (ch\u1ec9 ch\u1ee9a 2 ch\u1ea5t tan l\u00e0 FeCl2 v\u00e0 FeCl3) v\u00e0 0,224 l\u00edt kh\u00ed H2 (\u0111ktc). Cho 0,2 mol AgNO3 v\u00e0o dung d\u1ecbch B, ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c m2 gam k\u1ebft t\u1ee7a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m1, m2. 2. Trong m\u1ed9t b\u00ecnh k\u00edn dung t\u00edch kh\u00f4ng \u0111\u1ed5i ch\u1ee9a h\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m SO2 v\u00e0 O2 (c\u00f3 m\u1eb7t V2O5 v\u1edbi th\u1ec3 t\u00edch kh\u00f4ng \u0111\u00e1ng k\u1ec3), t\u1ec9 kh\u1ed1i c\u1ee7a h\u1ed7n h\u1ee3p kh\u00ed X so v\u1edbi kh\u00ed H2 l\u00e0 28. Nung n\u00f3ng b\u00ecnh \u0111\u1ec3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra, sau \u0111\u00f3 \u0111\u01b0a v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u th\u00ec thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y. T\u00ednh t\u1ec9 kh\u1ed1i c\u1ee7a h\u1ed7n h\u1ee3p kh\u00ed Y so v\u1edbi kh\u00ed H2, bi\u1ebft hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng l\u00e0 80%. ---H\u1ebeT--- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH L\u1edaP 9 THCS H\u1ea2I D\u01af\u01a0NG N\u0102M H\u1eccC 2021 \u2013 2022 M\u00f4n thi: H\u00d3A H\u1eccC Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 C\u00e2u I. (2,0 \u0111i\u1ec3m) 1) Cho h\u1ed7n h\u1ee3p X g\u1ed3m Fe2O3, MgO, Zn, Cu t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y, kh\u00ed Z v\u00e0 ch\u1ea5t r\u1eafn A. H\u00f2a tan A trong dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng, d\u01b0 thu \u0111\u01b0\u1ee3c kh\u00ed B (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t). S\u1ee5c t\u1eeb t\u1eeb kh\u00ed B v\u00e0o dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong d\u01b0, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a D. Cho t\u1eeb t\u1eeb dung d\u1ecbch NaOH v\u00e0o dung d\u1ecbch Y cho \u0111\u1ebfn khi k\u1ebft t\u1ee7a kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn E. Nung E GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 565","trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn G. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n c\u00e1c ch\u1ea5t c\u00f3 trong Y, Z, A, B, E, D, G v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2) N\u00eau hi\u1ec7n t\u01b0\u1ee3ng, vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m sau a. Th\u00eam t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch NaOH v\u00e0o dung d\u1ecbch g\u1ed3m HCl v\u00e0 AlCl3. b. Cho dung d\u1ecbch HCl t\u1eeb t\u1eeb t\u1edbi d\u01b0 v\u00e0o dung d\u1ecbch Na2CO3. c. Cho m\u1ea9u Na v\u00e0o dung d\u1ecbch CuSO4. d. S\u1ee5c kh\u00ed SO2 t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Ba(OH)2. C\u00e2u II. (2,0 \u0111i\u1ec3m) 1) Cho 5 l\u1ecd h\u00f3a ch\u1ea5t m\u1ea5t nh\u00e3n, m\u1ed7i l\u1ecd \u0111\u1ef1ng m\u1ed9t trong c\u00e1c dung d\u1ecbch ch\u1ea5t sau: NaOH, NaCl, HCl. H2SO4, BaCl2. Ch\u1ec9 d\u00f9ng th\u00eam phenolphtalein, tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 nh\u1eadn bi\u1ebft dung d\u1ecbch \u1edf m\u1ed7i l\u1ecd v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra n\u1ebfu c\u00f3. 2) Mu\u1ed1i \u0103n th\u01b0\u1eddng c\u00f3 l\u1eabn c\u00e1c t\u1ea1p ch\u1ea5t sau: Na2SO4, MgSO4, MgCl2, CaCl2. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc lo\u1ea1i b\u1ecf c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 trong mu\u1ed1i \u0103n \u0111\u1ec3 thu \u0111\u01b0\u1ee3c NaCl tinh khi\u1ebft v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u III. (2,0 \u0111i\u1ec3m) 1) H\u00ecnh v\u1ebd sau m\u00f4 t\u1ea3 c\u00e1ch l\u1eafp d\u1ee5ng c\u1ee5 \u0111i\u1ec1u ch\u1ebf oxi trong ph\u00f2ng th\u00ed nghi\u1ec7m b\u1eb1ng c\u00e1ch nhi\u1ec7t ph\u00e2n KMnO4 \u1edf d\u1ea1ng r\u1eafn: KMnO4 O2 a. C\u00e1ch l\u1eafp b\u1ed9 d\u1ee5ng c\u1ee5 th\u00ed nghi\u1ec7m \u0111i\u1ec1u ch\u1ebf oxi nh\u01b0 h\u00ecnh v\u1ebd \u1edf tr\u00ean \u0111\u00fang hay sai? Gi\u1ea3i th\u00edch v\u00e0 n\u00eau c\u00e1ch l\u1eafp d\u1ee5ng c\u1ee5 \u0111\u00fang nh\u1ea5t. b. Ph\u01b0\u01a1ng ph\u00e1p thu kh\u00ed \u1edf tr\u00ean d\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t n\u00e0o c\u1ee7a oxi? c. Khi k\u1ebft th\u00fac th\u00ed nghi\u1ec7m, t\u1ea1i sao ph\u1ea3i th\u00e1o \u1ed1ng d\u1eabn kh\u00ed ra tr\u01b0\u1edbc khi t\u1eaft \u0111\u00e8n c\u1ed3n? d. N\u1ebfu l\u1ea5y c\u00e1c ch\u1ea5t KMnO4 v\u00e0 KClO3 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng b\u1eb1ng nhau th\u00ec khi nhi\u1ec7t ph\u00e2n ho\u00e0n to\u00e0n ch\u1ea5t n\u00e0o \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng oxi nhi\u1ec1u h\u01a1n. H\u00e3y gi\u1ea3i th\u00edch b\u1eb1ng c\u00e1ch t\u00ednh to\u00e1n tr\u00ean c\u01a1 s\u1edf ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc. 2) H\u1ed7n h\u1ee3p X g\u1ed3m SO2 v\u00e0 O2 c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi hidro l\u00e0 25,6. Cho V l\u00edt h\u1ed7n h\u1ee3p X (\u1edf \u0111ktc) v\u00e0o m\u1ed9t b\u00ecnh k\u00edn c\u00f3 x\u00fac t\u00e1c th\u00edch h\u1ee3p, \u0111un n\u00f3ng b\u00ecnh m\u1ed9t th\u1eddi gian, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi hidro l\u00e0 31,22. Cho Y t\u00e1c d\u1ee5ng v\u1edbi 280 mL dung d\u1ecbch Ba(OH)2 1M, sau khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 59,3 gam k\u1ebft t\u1ee7a, dung d\u1ecbch Q (ch\u1ec9 ch\u1ee9a m\u1ed9t ch\u1ea5t tan) v\u00e0 kh\u00ed tho\u00e1t ra kh\u00f4ng l\u00e0m m\u1ea5t m\u00e0u n\u01b0\u1edbc brom. C\u00e1c kh\u00ed kh\u00f4ng tan v\u00e0 kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc. X\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p SO3 v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a V. C\u00e2u IV. (2,0 \u0111i\u1ec3m) 1. Cho h\u1ed7n h\u1ee3p r\u1eafn X c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m gam g\u1ed3m KHCO3, CaCO3. Nung h\u1ed7n h\u1ee3p X trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn Y. Cho Y v\u00e0o n\u01b0\u1edbc d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z v\u00e0 0,2m gam ch\u1ea5t r\u1eafn kh\u00f4ng tan. Cho dung d\u1ecbch HCl 1M t\u1eeb t\u1eeb v\u00e0o dung d\u1ecbch Z \u0111\u1ebfn khi c\u00f3 kh\u00ed b\u1eaft \u0111\u1ea7u tho\u00e1t ra th\u00ec v\u1eeba h\u1ebft V1 l\u00edt dung d\u1ecbch HCl, c\u00f2n \u0111\u1ebfn khi kh\u00ed tho\u00e1t ra v\u1eeba h\u1ebft th\u00ec h\u1ebft V2 l\u00edt dung d\u1ecbch HCl. Bi\u1ebft kh\u00ed sinh ra kh\u00f4ng tan, kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc.Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra v\u00e0 x\u00e1c \u0111\u1ecbnh t\u1ec9 l\u1ec7 V1 . V2 2) H\u00f2a tan ho\u00e0n to\u00e0n 7,2 gam Mg b\u1eb1ng 73,5 gam dung d\u1ecbch H2SO4 80% (axit \u0111\u1eb7c), sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho 700 mL dung d\u1ecbch NaOH 1M v\u00e0o dung d\u1ecbch X, l\u1ecdc k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. C\u00f4 c\u1ea1n dung d\u1ecbch Y \u0111\u1ebfn khi ch\u1ea5t r\u1eafn thu \u0111\u01b0\u1ee3c c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i th\u00ec thu \u0111\u01b0\u1ee3c 49,08 gam ch\u1ea5t r\u1eafn khan. Bi\u1ebft s\u1ea3n ph\u1ea9m kh\u1eed c\u1ee7a H2SO4 l\u00e0 S v\u00e0 SO2, n\u01b0\u1edbc kh\u00f4ng b\u1ecb bay h\u01a1i trong GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 566","qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng, c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, kh\u00ed sinh ra kh\u00f4ng tan v\u00e0 kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc. X\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u1ee7a MgSO4 trong dung d\u1ecbch X. C\u00e2uV. (2,0 \u0111i\u1ec3m) 1) Nung n\u00f3ng 40,3 gam h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn A g\u1ed3m KClO3 v\u00e0 KMnO4 m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn B v\u00e0 kh\u00ed O2. Cho B t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch HCl \u0111\u1eb7c, d\u01b0 v\u00e0 \u0111un n\u00f3ng, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 14,56 l\u00edt kh\u00ed clo. Tr\u1ed9n l\u01b0\u1ee3ng oxi thu \u0111\u01b0\u1ee3c v\u1edbi kh\u00f4ng kh\u00ed theo t\u1ec9 l\u1ec7 th\u1ec3 t\u00edch 1:3 trong m\u1ed9t b\u00ecnh k\u00edn thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed X. Cho v\u00e0o b\u00ecnh m\u1ed9t l\u01b0\u1ee3ng cacbon r\u1ed3i \u0111\u1ed1t ch\u00e1y h\u1ebft cacbon, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y g\u1ed3m 3 kh\u00ed c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi hidro l\u00e0 14,96. Cho Y t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Ca(OH)2 d\u01b0, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 6,0 gam k\u1ebft t\u1ee7a. Bi\u1ebft c\u00e1c kh\u00ed \u0111o \u1edf \u0111ktc, trong kh\u00f4ng kh\u00ed nit\u01a1 chi\u1ebfm 80% v\u1ec1 th\u1ec3 t\u00edch, c\u00f2n l\u1ea1i l\u00e0 oxi. a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. b. T\u00ednh % kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i ch\u1ea5t trong A v\u00e0 s\u1ed1 mol HCl \u0111\u00e3 ph\u1ea3n \u1ee9ng. 2) Nung m gam h\u1ed7n h\u1ee3p g\u1ed3m Al v\u00e0 FexOy trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn B. Chia B th\u00e0nh 2 ph\u1ea7n + Cho ph\u1ea7n m\u1ed9t t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, thu \u0111\u01b0\u1ee3c 1,12 l\u00edt kh\u00ed v\u00e0 8,4 gam ch\u1ea5t r\u1eafn kh\u00f4ng tan. + Cho ph\u1ea7n hai t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng d\u01b0 thu \u0111\u01b0\u1ee3c 12,32 l\u00edt SO2 (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t) v\u00e0 dung d\u1ecbch D c\u00f3 ch\u1ee9a 117,0 gam h\u1ed7n h\u1ee3p mu\u1ed1i sunfat trung h\u00f2a. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, ch\u1ea5t kh\u00ed \u0111o \u1edf \u0111ktc). a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. b. X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb m v\u00e0 c\u00f4ng th\u1ee9c FexOy. Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H=1; Li=7; Be=9; C=12; O=16; Na=23; Mg=24; Al=27; S=32; K=39; Ca=40; Mn=55; Fe=56; Cu=64; Zn=65; Rb=85,5; Ba=137; S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI T\u1ec8NH L\u1edaP 9 H\u00c0 T\u0128NH N\u0102M H\u1eccC 2021- 2022 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C M\u00f4n thi: H\u00d3A H\u1eccC (\u0110\u1ec1 thi c\u00f3 02 trang, g\u1ed3m 8 c\u00e2u) Th\u1eddi gian l\u00e0m b\u00e0i: 120 ph\u00fat Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H=1; C = 12; N = 14; 0= 16; N a= 23; Mg = 24; P = 31; S = 32; Cl = 35,5: Fe = 56; Cu = 64; Ag = 108; Ba = 137, Zn = 65; Al=27; Si = 28; Ca = 40; K= 39. C\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111o \u1edf \u0111ktc. C\u00e2u 1. (2,0 \u0111i\u1ec3m) 1. M\u01b0a axit g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i n\u00e0o? N\u00eau bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c m\u01b0a axit? 2. N\u1ed3ng \u0111\u1ed9 kh\u00ed cacbonic trong kh\u00f4ng kh\u00ed cao s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a Tr\u00e1i \u0111\u1ea5t (g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh). H\u00e3y n\u00eau c\u00e1c bi\u1ec7n ph\u00e1p l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 kh\u00ed cacbonic trong kh\u00f4ng kh\u00ed? 3. Cho \u00edt \u0111\u01b0\u1eddng glucoz\u01a1 (C6H12O6) v\u00e0o \u0111\u00e1y \u1ed1ng nghi\u1ec7m, r\u1ed3i th\u00eam t\u1eeb t\u1eeb 1-2 ml H2SO4 \u0111\u1eb7c v\u00e0o. T\u1ea1i sao trong \u1ed1ng nghi\u1ec7m c\u00f3 s\u1ee7i b\u1ecdt kh\u00ed?. C\u00e2u 2. (2,0 \u0111i\u1ec3m) 1. Cho c\u00e1c kh\u00ed Cl2, H2, O2, CO2. a. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf c\u00e1c kh\u00ed tr\u00ean trong ph\u00f2ng th\u00ed nghi\u1ec7m. b. Trong ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00e1c kh\u00ed tr\u00ean \u0111\u01b0\u1ee3c thu b\u1eb1ng nh\u1eefng c\u00e1ch n\u00e0o? Gi\u1ea3i th\u00edch? 2. Kh\u00ed CO l\u00e0 m\u1ed9t kh\u00ed kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i, r\u1ea5t \u0111\u1ed9c, \u0111\u01b0\u1ee3c sinh ra trong khi l\u00f2 than, \u0111\u1eb7c bi\u1ec7t khi \u1ee7 b\u1ebfp than. \u0110\u00e3 c\u00f3 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p b\u1ecb ng\u1ea1t, th\u1eadm ch\u00ed t\u1eed vong do \u1ee7 than khi \u0111\u00f3ng k\u00edn c\u1eeda. Gi\u1ea3i th\u00edch? C\u00e2u 3. (3,0 \u0111i\u1ec3m) 1. Cho c\u00e1c ch\u1ea5t Fe, Al2O3 v\u00e0 c\u00e1c dung d\u1ecbch NaHSO4, NaOH, Na2CO3, NaAlO2 \u0111\u1ef1ng ri\u00eang bi\u1ec7t. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra khi cho c\u00e1c ch\u1ea5t v\u00e0 c\u00e1c dung d\u1ecbch tr\u00ean ph\u1ea3n \u1ee9ng v\u1edbi nhau t\u1eebng \u0111\u1ed9i m\u1ed9t 2. Th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m sau: GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 567","- Th\u00ed nghi\u1ec7m 1: Cho 0,15 mol axit H3PO2 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch c\u00f3 ch\u1ee9a 13,2 gam mu\u1ed1i. - Th\u00ed nghi\u1ec7m 2: Cho 0,2 mol axit H3PO3 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch c\u00f3 ch\u1ee9a 25,2 gam mu\u1ed1i. - Th\u00ed nghi\u1ec7m 3: Cho 0,1 mol axit H3PO4 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch c\u00f3 ch\u1ee9a 16,4 gam mu\u1ed1i. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a mu\u1ed1i trong c\u00e1c th\u00ed nghi\u1ec7m tr\u00ean. C\u00e2u 4. (3,0 \u0111i\u1ec3m). 1. Cho 32,88 gam Ba ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi 100 gam dung d\u1ecbch ch\u1ee9a HCl 5,475% v\u00e0 Fe2(SO4)3 30%, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 k\u1ebft t\u1ee7a Y. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m ch\u1ea5t tan trong dung d\u1ecbch X. 2. H\u00f2a tan ho\u00e0n to\u00e0n 19,1 gam h\u1ed7n h\u1ee3p X g\u1ed3m Mg, Zn v\u00e0 Al trong 500 gam dung d\u1ecbch ch\u1ee9a HCl 5,84% v\u00e0 H2SO4 5,88%, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u00e0 15,68 l\u00edt kh\u00ed H2 (\u0111ktc). C\u00f4 c\u1ea1n dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c m gam mu\u1ed1i khan. T\u00ednh m. C\u00e2u 5. (3,0 \u0111i\u1ec3m) 1. M\u1ed9t kho\u00e1ng ch\u1ea5t X c\u00f3 ph\u1ea7n tr\u0103m v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 sau: 26,087% magie, 20,29% silic, c\u00f2n l\u1ea1i l\u00e0 oxi v\u00e0 hi\u0111ro. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a kho\u00e1ng ch\u1ea5t X. 2. Cho 24,6 gam h\u1ed7n h\u1ee3p X g\u1ed3m kim lo\u1ea1i M (thu\u1ed9c nh\u00f3m IIA) v\u00e0 kim lo\u1ea1i R. Chia X th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau: Ph\u1ea7n 1 t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc \u0111\u01b0, thu \u0111\u01b0\u1ee3c 3,584 l\u00edt kh\u00ed H2 (\u0111ktc). Tr\u1ed9n ph\u1ea7n 2 v\u1edbi 5,9 gam Ca, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y c\u00f3 ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng Ca b\u1eb1ng 50%. L\u1ea5y to\u00e0n b\u1ed9 h\u1ed7n h\u1ee3p Y cho t\u00e1c \u0111\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch X v\u00e0 8,232 l\u00edt kh\u00ed H2 (\u0111ktc). Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i M v\u00e0 R C\u00e2u 6. (2.0 \u0111i\u1ec3m). Cho 2,8 l\u00edt O2 (\u0111ktc) ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi m gam h\u1ed7n h\u1ee3p X g\u1ed3m K, Na v\u00e0 Ba thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Y g\u1ed3m c\u00e1c kim lo\u1ea1i v\u00e0 c\u00e1c oxit c\u1ee7a kim lo\u1ea1i. H\u00f2a tan v\u00e0o n\u01b0\u1edbc d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z v\u00e0 1,568 l\u00edt kh\u00ed H2 (\u0111ktc). Cho 700 ml dung d\u1ecbch H2SO4 a (mol\/l) v\u00e0o Z thu \u0111\u01b0\u1ee3c \u0111\u1ecbch T v\u00e0 27,96 gam k\u1ebft t\u1ee7a. \u0110\u1ec3 trung h\u00f2a l\u01b0\u1ee3ng axit con d\u01b0 trong T c\u1ea7n d\u00f9ng 100 ml dung d\u1ecbch KOH 0,6M. M\u1eb7t kh\u00e1c, h\u1ea5p th\u1ee5 h\u1ebft 12,096 l\u00edt kh\u00ed SO2 (\u0111ktc) v\u00e0o dung d\u1ecbch Z, thu \u0111\u01b0\u1ee3c dung d\u1ecbch E ch\u1ee9a 50,78 gam ch\u1ea5t tan. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh a v\u00e0 m. C\u00e2u 7. (3,0 \u0111i\u1ec3m) 1. Cho X l\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 R v\u1edbi hidro, Y l\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a nguy\u00ean t\u1ed1 R v\u1edbi oxi. T\u1ec9 kh\u1ed1i c\u1ee7a Y so v\u1edbi X b\u1eb1ng 2,75. Bi\u1ebft t\u1ed5ng h\u00f3a tr\u1ecb c\u1ee7a nguy\u00ean t\u1ed1 R trong h\u1ee3p ch\u1ea5t X v\u00e0 Y b\u1eb1ng 8. X\u00e1c \u0111\u1ecbnh nguy\u00ean t\u1ed1 R v\u00e0 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a X, Y. 2. H\u00ecnh b\u00ean l\u00e0 \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n \u0111\u1ed9 tan (S) trong n\u01b0\u1edbc c\u1ee7a ch\u1ea5t r\u1eafn X. a. H\u00e3y cho bi\u1ebft trong kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 t\u1eeb 0\u00b0C \u0111\u1ebfn 70\u00b0C c\u00f3 nh\u1eefng kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 n\u00e0o ta thu \u0111\u01b0\u1ee3c \u0111ung d\u1ecbch b\u00e3o h\u00f2a c\u1ee7a X? b. N\u1ebfu 150 gam dung d\u1ecbch b\u00e3o h\u1ecfa X \u0111ang \u1edf 70\u00b0C h\u1ea1 nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng c\u00f2n 30\u00b0C. H\u1ecfi c\u00f3 bao nhi\u00eau gam X khan t\u00e1ch ra kh\u1ecfi dung d\u1ecbch? C\u00e2u 8. (2,0 \u0111i\u1ec3m) H\u00f2a tan ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X g\u1ed3m Al, Cu v\u00e0 FeS v\u00e0o dung d\u1ecbch ch\u1ee9a 0,32 mol H2SO4 \u0111\u1eb7c, \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ec9 g\u1ed3m c\u00e1c mu\u1ed1i trung h\u00f2a v\u00e0 0,24 mol kh\u00ed SO2 duy nh\u1ea5t. Cho 250 ml dung d\u1ecbch NaOH 1M ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi dung d\u1ecbch Y, thu \u0111\u01b0\u1ee3c 7,63 gam k\u1ebft t\u1ee7a. T\u00ednh m. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.H\u1ebft\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 568","S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI L\u1edaP 9 C\u1ea4P T\u1ec8NH N\u0102M H\u1eccC 2021 - 2022 GIA LAI M\u00f4n: H\u00f3a h\u1ecdc \u0110\u1ec0 CH\u00cdNH TH\u1ee8C (\u0110\u1ec1 g\u1ed3m 05 c\u00e2u, g\u1ed3m 02 trang) Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian ph\u00e1t \u0111\u1ec1) Ng\u00e0y thi: 17\/4\/2022 C\u00e2u 1. (3,5 \u0111i\u1ec3m) 1. H\u00e3y ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng theo s\u01a1 \u0111\u1ed3 sau (m\u1ed7i ch\u1eef c\u00e1i trong ngo\u1eb7c l\u00e0 m\u1ed9t ch\u1ea5t): (A) \uf0be\uf0beto \uf0ae (B) + (C) + (D) (C) + (E) \uf0be\uf0beto \uf0ae (G) + (H) + (I) (A) + (E) \uf0be\uf0be\uf0ae (K) + (G) + (I) + (H) (K) + (H) \uf0be\u00f1\uf0beie\u00e4n\uf0bepha\u00e2n\uf0bedun\uf0beg d\u00f2\uf0bech c\uf0beo\u00f9 ma\uf0be\u00f8ng n\uf0bega\u00ean\uf0be\uf0ae (L) + (I) + (M) Bi\u1ebft: (D); (I) ; (M) l\u00e0 c\u00e1c \u0111\u01a1n ch\u1ea5t \u1edf tr\u1ea1ng th\u00e1i kh\u00ed trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, kh\u00ed (I) c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi kh\u00ed H2 l\u00e0 35,5; MI \u2013 ML =15. 2. Ho\u00e0 tan ho\u00e0n to\u00e0n x mol Ca v\u00e0o dung d\u1ecbch ch\u1ee9a x mol HCl, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A. Cho dung d\u1ecbch A l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c ch\u1ea5t sau: Al, Cu(NO3)2, K2CO3, Ba(HCO3)2 . Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh c\u00e1c ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc x\u1ea3y ra (n\u1ebfu c\u00f3). C\u00e2u 2. (4,0 \u0111i\u1ec3m) 1. C\u00f3 n\u0103m dung d\u1ecbch kh\u00f4ng m\u00e0u \u0111\u1ef1ng trong c\u00e1c l\u1ecd m\u1ea5t nh\u00e3n ri\u00eang bi\u1ec7t: Al2(SO4)3, NaOH, MgCl2, ZnCl2, BaCl2. Ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00eam phenolphtalein, h\u00e3y tr\u00ecnh b\u00e0y c\u00e1ch ph\u00e2n bi\u1ec7t m\u1ed7i dung d\u1ecbch v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau: a. Cho dung d\u1ecbch NaOH d\u01b0 v\u00e0o dung d\u1ecbch FeCl2. Sau \u0111\u00f3 l\u1ea5y k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u00e2u trong kh\u00f4ng kh\u00ed. b. Cho Ba v\u00e0o dung d\u1ecbch Na2CO3. c. Cho t\u1eeb t\u1eeb dung d\u1ecbch HCl \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch KOH lo\u00e3ng c\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf dung d\u1ecbch phenolphtalein. 3. H\u00ecnh v\u1ebd b\u00ean l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf kh\u00ed Z trong ph\u00f2ng th\u00ed nghi\u1ec7m : a. H\u00e3y cho bi\u1ebft dung d\u1ecbch X v\u00e0 ch\u1ea5t r\u1eafn Y l\u00e0 ch\u1ea5t n\u00e0o trong s\u1ed1 c\u00e1c ch\u1ea5t sau: - Dung d\u1ecbch X: dung d\u1ecbch H2SO4 lo\u00e3ng, dung d\u1ecbch NaOH lo\u00e3ng, dung d\u1ecbch Na2SO4. - R\u1eafn Y: Fe, Cu, Na2SO3. b. X\u00e1c \u0111\u1ecbnh kh\u00ed Z t\u1eeb nh\u1eefng ch\u1ea5t n\u00e0o \u0111\u00e3 ch\u1ecdn \u1edf c\u00e2u (a). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc \u0111i\u1ec1u ch\u1ebf kh\u00ed Z. C\u00e2u 3. (6,0 \u0111i\u1ec3m) 1. Tr\u1ed9n CuO v\u1edbi m\u1ed9t oxit c\u1ee7a kim lo\u1ea1i R (R c\u00f3 h\u00f3a tr\u1ecb II kh\u00f4ng \u0111\u1ed5i) theo t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1:2 \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p X. D\u1eabn m\u1ed9t lu\u1ed3ng kh\u00ed CO d\u01b0 \u0111i qua 7,2 gam X nung n\u00f3ng, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y. \u0110\u1ec3 h\u00f2a tan h\u1ebft Y c\u1ea7n 240 ml dung d\u1ecbch HNO3 n\u1ed3ng \u0111\u1ed9 1,25M, thu \u0111\u01b0\u1ee3c kh\u00ed NO s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t v\u00e0 dung d\u1ecbch ch\u1ec9 ch\u1ee9a mu\u1ed1i nitrat. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i R. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n. 2. H\u1ed7n h\u1ee3p X g\u1ed3m Na, Ba, Na2O, BaO. H\u00f2a tan 21,9 gam X v\u00e0o n\u01b0\u1edbc d\u01b0, thu \u0111\u01b0\u1ee3c 1,12 l\u00edt kh\u00ed H2 (\u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n) v\u00e0 dung d\u1ecbch Y, trong \u0111\u00f3 c\u00f3 20,52 gam Ba(OH)2. H\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n 6,72 l\u00edt CO2 (\u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n) v\u00e0o dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 569","3. H\u1ed7n h\u1ee3p X g\u1ed3m M v\u00e0 R2O trong \u0111\u00f3 M l\u00e0 kim lo\u1ea1i ki\u1ec1m th\u1ed5 v\u00e0 R l\u00e0 kim lo\u1ea1i ki\u1ec1m. Cho m gam h\u1ed7n h\u1ee3p X tan h\u1ebft trong 320 ml dung d\u1ecbch HCl 1,2M d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ee9a 30,624 gam c\u00e1c ch\u1ea5t tan c\u00f3 c\u00f9ng s\u1ed1 mol. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 4. (3,0 \u0111i\u1ec3m) 1. Ho\u00e0 tan ho\u00e0n to\u00e0n MgO v\u00e0o dung d\u1ecbch H2SO4 9,8% (v\u1eeba \u0111\u1ee7) thu \u0111\u01b0\u1ee3c dung d\u1ecbch A ch\u1ec9 ch\u1ee9a mu\u1ed1i trung h\u00f2a c\u00f3 n\u1ed3ng \u0111\u1ed9 l\u00e0 x %. a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a x. b. Cho dung d\u1ecbch Na2S v\u00e0o dung d\u1ecbch A thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a B. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. Nung n\u00f3ng m gam h\u1ed7n h\u1ee3p X g\u1ed3m Mg, Al v\u00e0 Cu trong O2 d\u01b0 thu \u0111\u01b0\u1ee3c 24,3 gam h\u1ed7n h\u1ee3p Y g\u1ed3m c\u00e1c oxit. H\u00f2a tan h\u1ebft Y b\u1eb1ng l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 dung d\u1ecbch Z (g\u1ed3m HCl v\u00e0 H2SO4 c\u00f3 t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng 2:1), thu \u0111\u01b0\u1ee3c dung d\u1ecbch ch\u1ee9a 64,8 gam h\u1ed7n h\u1ee3p mu\u1ed1i trung h\u00f2a. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n. a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra. b. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 5. (3,5 \u0111i\u1ec3m) 1. H\u1ed7n h\u1ee3p X g\u1ed3m Fe(NO3)2, Cu(NO3)2 v\u00e0 AgNO3. Bi\u1ebft th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a nit\u01a1 trong X l\u00e0 11,864%. C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c t\u1ed1i \u0111a bao nhi\u00eau gam h\u1ed7n h\u1ee3p ba kim lo\u1ea1i t\u1eeb 28,32 gam X? 2. Cho h\u1ed7n h\u1ee3p A c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m gam g\u1ed3m b\u1ed9t Al v\u00e0 s\u1eaft oxit (FexOy). Ti\u1ebfn h\u00e0nh ph\u1ea3n \u1ee9ng nhi\u1ec7t nh\u00f4m h\u1ed7n h\u1ee3p A trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed, \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p B. Nghi\u1ec1n nh\u1ecf, tr\u1ed9n \u0111\u1ec1u B r\u1ed3i chia th\u00e0nh hai ph\u1ea7n: - Ph\u1ea7n 1 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 28,98 gam \u0111\u01b0\u1ee3c ho\u00e0 tan h\u1ebft trong dung d\u1ecbch H2SO4 \u0111\u1eb7c n\u00f3ng d\u01b0, \u0111\u01b0\u1ee3c dung d\u1ecbch C v\u00e0 11,088 l\u00edt kh\u00ed SO2 s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t (\u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n). - Ph\u1ea7n 2 cho t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch NaOH \u0111un n\u00f3ng th\u1ea5y gi\u1ea3i ph\u00f3ng 0,672 l\u00edt kh\u00ed H2 (\u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n) v\u00e0 c\u00f2n l\u1ea1i 5,04 gam ch\u1ea5t r\u1eafn. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a s\u1eaft oxit v\u00e0 t\u00ednh m. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n. -----------H\u1ebeT----------- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH T\u1ec8NH B\u00ccNH D\u01af\u01a0NG N\u0102M H\u1eccC 2021 \u2013 2022 M\u00f4n: Ho\u00e1 h\u1ecdc \u0110\u1ec0 CH\u00cdNH TH\u1ee8C Ng\u00e0y thi: 17\/03\/2022 (\u0110\u1ec1 thi g\u1ed3m 03 trang) Th\u1eddi gian: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u I. (5,0 \u0111i\u1ec3m) 1. Cho c\u00e1c dung d\u1ecbch ri\u00eang bi\u1ec7t: Na2CO3; Ba(HCO3)2; MgCl2; KHSO4; NaOH \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0 X, Y, Z, T, R (k\u00ed hi\u1ec7u ng\u1eabu nhi\u00ean kh\u00f4ng theo th\u1ee9 t\u1ef1). Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m gi\u1eefa c\u00e1c dung d\u1ecbch \u0111\u00e3 cho, hi\u1ec7n t\u01b0\u1ee3ng c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ghi l\u1ea1i \u1edf b\u1ea3ng sau (\u201c \u2013 \u201d: kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra: Dung d\u1ecbch X Y Z T R X C\u00f3 k\u1ebft t\u1ee7a C\u00f3 k\u1ebft t\u1ee7a \u2013 \u2013 Y C\u00f3 k\u1ebft t\u1ee7a \u2013 C\u00f3 k\u1ebft t\u1ee7a C\u00f3 kh\u00ed tho\u00e1t ra Z C\u00f3 k\u1ebft t\u1ee7a \u2013 C\u00f3 k\u1ebft t\u1ee7a \u2013 T \u2013 C\u00f3 k\u1ebft t\u1ee7a C\u00f3 k\u1ebft t\u1ee7a C\u00f3 k\u1ebft t\u1ee7a v\u00e0 c\u00f3 kh\u00ed tho\u00e1t ra R \u2013 C\u00f3 kh\u00ed tho\u00e1t \u2013 C\u00f3 k\u1ebft t\u1ee7a v\u00e0 ra c\u00f3 kh\u00ed tho\u00e1t ra GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 570","X\u00e1c \u0111\u1ecbnh c\u00e1c dung d\u1ecbch X, Y, Z, T v\u00e0 R. Gi\u1ea3i th\u00edch v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh hoa h\u1ecdc minh ho\u1ea1? 2. Nhi\u1ec1u gia \u0111\u00ecnh c\u00f3 th\u00f3i quen s\u1eed d\u1ee5ng l\u00f2 than \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m khi tr\u1eddi l\u1ea1nh. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi l\u1ea1i th\u00edch d\u00f9ng b\u1ebfp than \u0111\u1ec3 n\u01b0\u1edbng th\u1ee9c \u0103n trong ph\u00f2ng khi li\u00ean hoan v\u1edbi b\u1ea1n b\u00e8. Theo c\u00e1c chuy\u00ean gia y t\u1ebf, vi\u1ec7c s\u1eed d\u1ee5ng l\u00f2 than trong kh\u00f4ng gian k\u00edn r\u1ea5t l\u00e0 nguy hi\u1ec3m v\u00e0 c\u00f3 th\u1ec3 r\u01a1i v\u00e0o c\u00e1i ch\u1ebft \u201c\u00eam d\u1ecbu\u201d. H\u00e3y gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn c\u00e1i ch\u1ebft \u201c\u00eam d\u1ecbu\u201d v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc minh ho\u1ea1? 3. Khi \u0111i\u1ec1u ch\u1ebf kh\u00ed Chorine Cl2 trong ph\u00f2ng th\u00ed nghi\u1ec7m th\u01b0\u1eddng thu \u0111\u01b0\u1ee3c kh\u00ed chlorine c\u00f3 l\u1eabn c\u00e1c t\u1ea1p ch\u1ea5t l\u00e0 kh\u00ed hydrogen chloride HCl v\u00e0 h\u01a1i n\u01b0\u1edbc. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 thu \u0111\u01b0\u1ee3c kh\u00ed chlorine tinh khi\u1ebft. 4. Cho c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng sau: (1) KMnO4 \uf0bet\uf0beo \uf0ae X1 + X2 + X3 \uf0ad (2) X2 + X4 (\u0111\u1eb7c) \uf0bet\uf0beo \uf0ae X5 + X6 \uf0ad (v\u00e0ng l\u1ee5c) + X7 (l\u1ecfng) (3) X3 + X8 \uf0bet\uf0beo \uf0ae X7 (4) X9 (ch\u1ea5t r\u1eafn, m\u00e0u v\u00e0ng) + X3 \uf0bet\uf0beo \uf0ae X10 (5) X9 + X8 \uf0bet\uf0beo \uf0ae X11 (6) X10 + X6 + X7 \uf0ae X12 + X4 (7) X11 + X6 + X7 \uf0ae X12 + X4 (8) X10 + X11 \uf0ae X9 + X7 X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng. C\u00e2u II. (5,0 \u0111i\u1ec3m) 1. X l\u00e0 qu\u1eb7ng hematite \u0111\u1ecf ch\u1ee9a 64% Iron (III) oxide Fe2O3 v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng (c\u00f2n l\u1ea1i l\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng ch\u1ee9a nguy\u00ean t\u1ed1 Iron), Y l\u00e0 qu\u1eb7ng magnetite ch\u1ee9a 92,8% Iron (II,III) oxide Fe3O4 v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng (c\u00f2n l\u1ea1i l\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng ch\u1ee9a nguy\u00ean t\u1ed1 Iron). Tr\u1ed9n a t\u1ea5n qu\u1eb7ng X v\u1edbi b t\u1ea5n qu\u1eb7ng Y thu \u0111\u01b0\u1ee3c 1 t\u1ea5n h\u1ed7n h\u1ee3p Z. Ti\u1ebfn h\u00e0nh luy\u1ec7n gang to\u00e0n b\u1ed9 Z, r\u1ed3i sau \u0111\u00f3 ti\u1ebfn h\u00e0nh luy\u1ec7n th\u00e9p th\u00ec thu \u0111\u01b0\u1ee3c 420,42 kg th\u00e9p ch\u1ee9a 0,1% kh\u1ed1i l\u01b0\u1ee3ng g\u1ed3m carbon v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00f4ng ch\u1ee9a Iron. Gi\u1ea3 s\u1eed hi\u1ec7u su\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh \u0111\u1ea1t 75%. T\u00ednh t\u1ec9 l\u1ec7 a : b? 2. Cho 21,2 gam h\u1ed7n h\u1ee3p E g\u1ed3m Copper Cu v\u00e0 Iron (II, III) oxide Fe3O4 (v\u1edbi t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 3 : 1) v\u00e0o 125 gam dung d\u1ecbch hydrochloric acid HCl 14,6%. Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn X v\u00e0 dung d\u1ecbch Y. a. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn X? b. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u00e1c ch\u1ea5t tan trong dung d\u1ecbch Y? 3. Dung d\u1ecbch X g\u1ed3m KOH xM v\u00e0 Ba(OH)2 yM; dung d\u1ecbch Y g\u1ed3m KOH yM v\u00e0 Ba(OH)2 xM. Ti\u1ebfn h\u00e0nh 2 th\u00ed nghi\u1ec7m sau: - Th\u00ed nghi\u1ec7m 1: H\u1ea5p th\u1ee5 h\u1ebft 2,4790 l\u00edt kh\u00ed SO2 (\u0111kc) v\u00e0o 300 mL dung d\u1ecbch X, thu \u0111\u01b0\u1ee3c dung d\u1ecbch M v\u00e0 4,34 gam k\u1ebft t\u1ee7a. - Th\u00ed nghi\u1ec7m 2: H\u1ea5p th\u1ee5 h\u1ebft 2,9748 l\u00edt kh\u00ed SO2 (\u0111kc) v\u00e0o 300 mL dung d\u1ecbch Y, thu \u0111\u01b0\u1ee3c dung d\u1ecbch N v\u00e0 6,51 gam k\u1ebft t\u1ee7a. Bi\u1ebft hai dung d\u1ecbch M v\u00e0 N khi t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch K2SO4 \u0111\u1ec1u t\u1ea1o th\u00e0nh k\u1ebft t\u1ee7a tr\u1eafng. C\u00e1c ph\u1ea3n \u1ee9ng \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a x v\u00e0 y? C\u00e2u III. (4,0 \u0111i\u1ec3m) Chia h\u1ed7n h\u1ee3p X g\u1ed3m Al v\u00e0 kim lo\u1ea1i M (c\u00f3 ho\u00e1 tr\u1ecb kh\u00f4ng \u0111\u1ed5i) th\u00e0nh ba ph\u1ea7n b\u1eb1ng nhau: - Ph\u1ea7n 1 cho v\u00e0o dung d\u1ecbch NaOH d\u01b0, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n th\u1ea5y tho\u00e1t ra 1,4874 l\u00edt kh\u00ed H2 (\u0111kc) v\u00e0 c\u00f2n l\u1ea1i m\u1ed9t ph\u1ea7n ch\u1ea5t r\u1eafn kh\u00f4ng tan. - \u0110\u1ed1t ch\u00e1y ph\u1ea7n 2 trong V1 l\u00edt kh\u00ed oxygen (\u0111kc), thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p r\u1eafn Y g\u1ed3m 4 ch\u1ea5t. \u0110\u1ec3 ho\u00e0 tan ho\u00e0n to\u00e0n Y c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 200 mL dung d\u1ecbch g\u1ed3m H2SO4 0,3M v\u00e0 HCl 0,4M, thu \u0111\u01b0\u1ee3c 0,9916 l\u00edt kh\u00ed H2 (\u0111kc) v\u00e0 dung d\u1ecbch ch\u1ec9 ch\u1ee9a 10,64 gam h\u1ed7n h\u1ee3p c\u00e1c mu\u1ed1i trung ho\u00e0. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 571","a. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i M v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a V1? b. Cho ph\u1ea7n 3 v\u00e0o V2 l\u00edt dung d\u1ecbch CuSO4 0,5M, khu\u1ea5y \u0111\u1ec1u, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 5,71 gam ch\u1ea5t r\u1eafn. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a V2? C\u00e2u IV. (2,0 \u0111i\u1ec3m) Retinol, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vitamin A1, l\u00e0 m\u1ed9t lo\u1ea1i vitamin \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong th\u1ef1c ph\u1ea9m v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t b\u1ed5 sung trong ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng. C\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a Retinol nh\u01b0 sau: a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a Retinol. b. Retinol thu\u1ed9c lo\u1ea1i h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 n\u00e0o (hydrocarbon hay d\u1eabn xu\u1ea5t c\u1ee7a hydrocarbon)? V\u00ec sao? c. H\u00e3y d\u1ef1 \u0111o\u00e1n 1 mol Retinol c\u00f3 th\u1ec3 c\u1ed9ng t\u1ed1i \u0111a v\u1edbi bao nhi\u00eau mol bromine Br2 trong CCl4? V\u00ec sao? C\u00e2u V. (3,0 \u0111i\u1ec3m) Trong ph\u00f2ng th\u00ed nghi\u1ec7m, hydrocarbon X \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf theo th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 h\u00ecnh v\u1ebd sau: a. Vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra t\u1ea1i b\u00ecnh 1. b. Cho bi\u1ebft vai tr\u00f2 c\u1ee7a b\u00ecnh 2 ch\u1ee9a dung d\u1ecbch g\u1ed3m CuSO4 v\u00e0 H2SO4. c. T\u1ea1i sao c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c kh\u00ed X b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y n\u01b0\u1edbc? d. T\u1eeb X th\u1ef1c hi\u1ec7n c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng sau theo \u0111\u00fang t\u1ec9 l\u1ec7 mol c\u00e1c ch\u1ea5t: (1) X + A \uf0bex\uf0bet, t\uf0beo \uf0ae M (2) M+B \uf0bex\uf0bet, t o N \uf0be\uf0ae (3) nM \uf0bex\uf0bet, p\uf0be, to\uf0be\uf0ae polyethylene (PE) (4) 2X \uf0bex\uf0bet, t\uf0beo \uf0ae P (5) P + A \uf0bex\uf0bet, t\uf0beo \uf0ae Q (6) nQ \uf0bex\uf0bet, p\uf0be, to\uf0be\uf0ae polybutadiene (7) 2N \uf0bex\uf0bet, t\uf0beo \uf0ae Q + 2B + A (8) R \uf0bex\uf0bet, to\uf0be\uf0ae Q + 2A Bi\u1ebft M, N, P, Q, R l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1; A, B l\u00e0 c\u00e1c ch\u1ea5t v\u00f4 c\u01a1. D\u00f9ng c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o \u0111\u1ec3 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng tr\u00ean. C\u00e2u VI. (1,0 \u0111i\u1ec3m) \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam m\u1ed9t hydrocarbon m\u1ea1ch h\u1edf T, to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 h\u1ebft v\u00e0o b\u00ecnh \u0111\u1ef1ng n\u01b0\u1edbc v\u00f4i trong d\u01b0, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 40 gam k\u1ebft t\u1ee7a tr\u1eafng. M\u1eb7t kh\u00e1c, GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 572","m gam T ph\u1ea3n \u1ee9ng t\u1ed1i \u0111a v\u1edbi 64 gam Br2 trong dung d\u1ecbch. Bi\u1ebft 13 < d T < 26. X\u00e1c \u0111\u1ecbnh c\u00f4ng H2 th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a T? C\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111o \u1edf \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n (25oC, 1 bar). \u1ede \u0111i\u1ec1u ki\u1ec7n chu\u1ea9n (\u0111kc), 1 mol ch\u1ea5t kh\u00ed c\u00f3 th\u1ec3 t\u00edch 24,79 l\u00edt. --- H\u1ebeT --- UBND T\u1ec8NH B\u1ebeN TRE K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH L\u1edaP 9 S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O N\u0102M H\u1eccC 2021 \u2013 2022 M\u00f4n: H\u00d3A H\u1eccC (\u0110\u1ec1 thi g\u1ed3m 02 trang) Th\u1eddi gian: 150 ph\u00fat Ng\u00e0y thi: 11\/03\/2022 C\u00e2u 1. (2,0 \u0111i\u1ec3m) Nguy\u00ean t\u1eed X c\u00f3 t\u1ed5ng s\u1ed1 h\u1ea1t c\u01a1 b\u1ea3n l\u00e0 52. Trong \u0111\u00f3, s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n nhi\u1ec1u h\u01a1n s\u1ed1 h\u1ea1t kh\u00f4ng mang \u0111i\u1ec7n l\u00e0 16 h\u1ea1t. a) X\u00e1c \u0111\u1ecbnh s\u1ed1 h\u1ea1t proton, n\u01a1tron, electron v\u00e0 t\u00ean c\u1ee7a nguy\u00ean t\u1eed X. b) A l\u00e0 m\u1ed9t lo\u1ea1i oxit c\u1ee7a X. Trong A, X chi\u1ebfm 38,8% v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. L\u1eadp c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a A, bi\u1ebft MA = 183 g\/mol. C\u00e2u 2. (4,0 \u0111i\u1ec3m) 1. H\u1ed7n h\u1ee3p A g\u1ed3m BaO, FeO, Al2O3. H\u00f2a tan A trong l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0, \u0111\u01b0\u1ee3c dung d\u1ecbch D v\u00e0 ph\u1ea7n kh\u00f4ng tan B. S\u1ee5c kh\u00ed CO2 d\u01b0 v\u00e0o D, ph\u1ea3n \u1ee9ng t\u1ea1o k\u1ebft t\u1ee7a. Cho CO d\u01b0 \u0111i qua B nung n\u00f3ng, \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn E. Khi cho E t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0, th\u1ea7y 1 ph\u1ea7n b\u1ecb tan, c\u00f2n l\u1ea1i ch\u1ea5t r\u1eafn G. H\u00f2a tan G v\u00e0o l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch H2SO4 lo\u00e3ng, r\u1ed3i cho dung \u0111\u1ecbch thu \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch KMnO4. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. Khi l\u00e0m l\u1ea1nh 600 gam dung d\u1ecbch b\u00e3o h\u00f2a A \u1edf 90\u00b0C xu\u1ed1ng 10\u00b0C th\u00ec c\u00f3 bao nhi\u00eau gam ch\u1ea5t r\u1eafn A tho\u00e1t ra? Cho bi\u1ebft \u0111\u1ed9 tan c\u1ee7a ch\u1ea5t A trong n\u01b0\u1edbc \u1edf 10\u00b0C l\u00e0 15 gam, c\u00f2n \u1edf 90\u00b0C l\u00e0 50 gam. C\u00e2u 3. (4,0 \u0111i\u1ec3m) 1. M\u00f4 t\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u1ec3 minh h\u1ecda cho c\u00e1c th\u00ed nghi\u1ec7m sau: a) Cho m\u1eabu kim lo\u1ea1i canxi v\u00e0o dung d\u1ecbch Na2CO3. b) Nh\u1ecf t\u1eeb t\u1eeb cho \u0111\u1ebfn d\u01b0 dung d\u1ecbch KOH v\u00e0o dung d\u1ecbch FeCl3 c) Cho m\u1eabu kim lo\u1ea1i natri v\u00e0o dung d\u1ecbch AlCl3. d) Nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch NaHSO4 v\u00e0o dung d\u1ecbch Na2CO3. 2. C\u00f3 4 ch\u1ea5t r\u1eafn m\u00e0u tr\u1eafng, ri\u00eang bi\u1ec7t \u1edf d\u1ea1ng b\u1ed9t g\u1ed3m: NaCl, Na2CO3. BaSO4, v\u00e0 CaCO3. Ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng th\u00eam n\u01b0\u1edbc v\u00e0 kh\u00ed cacbonic, n\u00eau c\u00e1ch ph\u00e2n bi\u1ec7t 4 ch\u1ea5t r\u1eafn tr\u00ean v\u1ea3 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra (n\u1ebfu c\u00f3). C\u00e2u 4. (2.0 \u0111i\u1ec3m) 1. Khi cho m gam h\u1ed7n h\u1ee3p A g\u1ed3m MgCO3, Mg, FeCO3, CuCO3, t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi dung d\u1ecbch HCl d\u01b0, thu \u0111\u01b0\u1ee3c 4,8 gam h\u1ed7n h\u1ee3p kh\u00ed B chi\u1ebfm th\u1ec3 t\u00edch 6,72 l\u00edt (\u0111ktc). N\u1ebfu c\u00f3 c\u1ea1n dung d\u1ecbch sau ph\u1ea3n \u1ee9ng th\u00ec thu \u0111\u01b0\u1ee3c 40,9 gam mu\u1ed1i khan. T\u00ecm gi\u00e1 tr\u1ecb c\u1ee7a m 2. Cho a gam h\u1ed7n h\u1ee3p X g\u1ed3m Zn v\u00e0 Fe v\u00e0o m\u1ed9t l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch CuSO4. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, l\u1ecdc b\u1ecf ph\u1ea7n dung d\u1ecbch, thu \u0111\u01b0\u1ee3c a gam ch\u1ea5t r\u1eafn. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra v\u00e0 t\u00ednh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m theo kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a Fe trong h\u1ed7n h\u1ee3p X C\u00e2u 5 (4,0 \u0111i\u1ec3m) 1. \u0110\u1ed1t n\u00f3ng m\u1ed9t h\u1ed7n h\u1ee3p g\u1ed3m Al v\u00e0 16 gam Fe2O3 (trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed) \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c ho\u00e0n h\u1ee3p ch\u1ea5t r\u1eafn X. Cho X t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi V GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 573","ml dung d\u1ecbch NaOH 1M sinh ra 3,36 l\u00edt kh\u00ed H2 (\u0111ktc). Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra v\u00e0 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb V. 2. Ti\u1ebfn h\u00e0nh 2 th\u00ed nghi\u1ec7m sau: Th\u00ed nghi\u1ec7m 1: Cho a gam Fe h\u00f2a tan trong dung d\u1ecbch HCl, k\u1ebft th\u00fac th\u00ed nghi\u1ec7m, c\u00f4 c\u1ea1n s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c 3,1 gam ch\u1ea5t r\u1eafn. Th\u00ed nghi\u1ec7m 2 Cho a gam Fe v\u00e0 b gam Mg v\u00e0o dung d\u1ecbch HCl (c\u00f9ng v\u1edbi l\u01b0\u1ee3ng nh\u01b0 tr\u00ean), k\u1ebft th\u00fac th\u00ed nghi\u1ec7m, c\u00f4 c\u1ea1n s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c 3,34 gam ch\u1ea5t r\u1eafn v\u00e0 thu \u0111\u01b0\u1ee3c 448 ml kh\u00ed hi\u0111ro (\u0111ktc) T\u00ecm gi\u00e1 tr\u1ecb c\u1ee7a a v\u00e0 b C\u00e2u 6. (4,0 \u0111i\u1ec3m) Nung 9,28 gam h\u1ed7n h\u1ee3p A g\u1ed3m FeCO3 v\u00e0 m\u1ed9t oxit s\u1eaft trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 8 gam m\u1ed9t oxit s\u1eaft duy nh\u1ea5t v\u00e0 kh\u00ed CO2. H\u1ea5p th\u1ee5 h\u1ebft l\u01b0\u1ee3ng kh\u00ed CO2 v\u00e0o 300 ml dung d\u1ecbch Ba(OH)2 0,1M, k\u1ebft th\u00fac ph\u1ea7n \u1ee9ng thu \u0111\u01b0\u1ee3c 3,94 gam k\u1ebft t\u1ee7a. a) T\u00ecm c\u00f4ng th\u1ee9c ho\u00e1 h\u1ecdc c\u1ee7a oxit s\u1eaft. b) Cho 9,28 gam h\u1ed7n h\u1ee3p A t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0, sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac thu \u0111\u01b0\u1ee3c dung d\u1ecbch B. H\u00e3y cho bi\u1ebft: B c\u00f3 th\u1ec3 ho\u00e0 tan t\u1ed1i \u0111a bao nhi\u00eau gam kim lo\u1ea1i \u0111\u1ed3ng? --- H\u1ebeT --- UBND T\u1ec8NH B\u1eaeC NINH K\u1ef2 THI CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH L\u1edaP 9 S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O N\u0102M H\u1eccC 2020 \u2013 2021 M\u00f4n: H\u00d3A H\u1eccC Th\u1eddi gian: 150 ph\u00fat. Ng\u00e0y thi: 16\/2\/2022 C\u00e2u 1: (4,0 \u0111i\u1ec3m) 1. M\u00f4 t\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3) \u0111\u1ec3 minh h\u1ecda cho c\u00e1c th\u00ed nghi\u1ec7m sau: a) Nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch NaOH \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Al(NO3)3. b) S\u1ee5c t\u1eeb t\u1eeb kh\u00ed etilen v\u00e0o dung d\u1ecbch brom. c) Nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch NaHSO4 \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Na2CO3. d) \u0110un n\u00f3ng dung d\u1ecbch Ca(HCO3)2. e) \u0110\u01b0a m\u1ea9u gi\u1ea5y m\u00e0u \u1ea9m v\u00e0o b\u00ecnh ch\u1ee9a kh\u00ed clo. f) Cho benzen v\u00e0o dung d\u1ecbch n\u01b0\u1edbc brom, l\u1eafc \u0111\u1ec1u sau \u0111\u00f3 \u0111\u1ec3 y\u00ean. 2. Axit acrylic ( CH2 \uf03d CH \uf02d COOH ) v\u1eeba c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 axit axetic v\u1eeba c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 etilen. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng gi\u1eefa axit acrylic v\u1edbi Na, CaCO3, NaOH, dung d\u1ecbch n\u01b0\u1edbc brom \u0111\u1ec3 minh h\u1ecda nh\u1eadn x\u00e9t tr\u00ean. C\u00e2u 2: (4,0 \u0111i\u1ec3m) 1. Cho h\u00ecnh v\u1ebd m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf kh\u00ed Z trong ph\u00f2ng th\u00ed nghi\u1ec7m (theo ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y n\u01b0\u1edbc). a) H\u00e3y cho bi\u1ebft kh\u00ed Z c\u00f3 th\u1ec3 l\u00e0 kh\u00ed n\u00e0o trong s\u1ed1 c\u00e1c ch\u1ea5t kh\u00ed sau \u0111\u00e2y: SO2, Cl2, CO2, H2? Gi\u1ea3i th\u00edch. b) L\u1ef1a ch\u1ecdn c\u1eb7p ch\u1ea5t X v\u00e0 Y ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf kh\u00ed Z (\u0111\u00e3 ch\u1ecdn \u1edf a). Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc \u0111\u1ec3 minh h\u1ecda. c) Ngo\u00e0i c\u00e1ch thu kh\u00ed Z (\u0111\u00e3 ch\u1ecdn \u1edf a) nh\u01b0 tr\u00ean, c\u00f3 th\u1ec3 thu b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea9y kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c kh\u00f4ng? Gi\u1ea3i th\u00edch. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 574","d) Trong ph\u00f2ng th\u00ed nghi\u1ec7m kh\u00ed Z (\u0111\u00e3 ch\u1ecdn \u1edf a) thu \u0111\u01b0\u1ee3c th\u01b0\u1eddng l\u1eabn h\u01a1i n\u01b0\u1edbc.H\u00e3y ch\u1ecdn m\u1ed9t h\u00f3a ch\u1ea5t th\u00edch h\u1ee3p \u0111\u1ec3 l\u00e0m kh\u00f4 kh\u00ed Z. 2. Cho 39,58 gam h\u1ed7n h\u1ee3p G g\u1ed3m MgCl2, NaCl v\u00e0 NaBr tan ho\u00e0n to\u00e0n v\u00e0o n\u01b0\u1edbc \u0111\u01b0\u1ee3c dung d\u1ecbch X.Cho dung d\u1ecbch X ph\u1ea3n \u1ee9ng v\u1edbi 500ml dung d\u1ecbch AgNO3 1,4M thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z v\u00e0 93,22 gam h\u1ed7n h\u1ee3p k\u1ebft t\u1ee7a Y.Cho Mg d\u01b0 v\u00e0o dung d\u1ecbch Z, khu\u1ea5y \u0111\u1ec1u th\u1ea5y t\u1ea1o th\u00e0nh ch\u1ea5t r\u1eafn c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng so v\u1edbi kim lo\u1ea1i Mg ban \u0111\u1ea7u l\u00e0 9,6 gam. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra. b) T\u00ednh % kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c mu\u1ed1i trong h\u1ed7n h\u1ee3p G. C\u00e2u 3: (2,5 \u0111i\u1ec3m) 1. Ch\u1ec9 d\u00f9ng dung d\u1ecbch phenolphtalein v\u00e0 c\u1ed1c chia \u0111\u1ed9, h\u00e3y nh\u1eadn bi\u1ebft 3 dung d\u1ecbch ri\u00eang bi\u1ec7t m\u1ea5t nh\u00e3n c\u00f3 c\u00f9ng n\u1ed3ng \u0111\u1ed9: NaOH, HCl, H2SO4. 2. Nh\u1ecf t\u1eeb t\u1eeb 200ml dung d\u1ecbch ch\u1ee9a h\u1ed7n h\u1ee3p NaHCO3 0,2M v\u00e0 Na2CO3 0,1M v\u00e0o V ml dung d\u1ecbch HCl 0,2M \u0111\u1ebfn ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c kh\u00ed CO2 v\u00e0 dung d\u1ecbch A. Dung d\u1ecbch A ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi 200ml dung d\u1ecbch NaOH 0,1M. X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb c\u1ee7a V. C\u00e2u 4: (2,5 \u0111i\u1ec3m) 1.Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m: Cho ch\u1ea5t X (C2H6O) v\u00e0 ch\u1ea5t Y (C2H4O2) v\u00e0o \u1ed1ng nghi\u1ec7m, th\u00eam m\u1ed9t \u00edt H2SO4 \u0111\u1eb7c l\u00e0m x\u00fac t\u00e1c r\u1ed3i \u0111un n\u00f3ng thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ch\u1ee9a ch\u1ea5t h\u1eefu c\u01a1 Z (C4H8O2). Bi\u1ebft ch\u1ea5t Y l\u00e0m qu\u1ef3 t\u00edm \u1ea9m chuy\u1ec3n sang m\u00e0u \u0111\u1ecf. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o, g\u1ecdi t\u00ean c\u00e1c ch\u1ea5t X, Y, Z v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra. 2. L\u00ean men 1 l\u00edt r\u01b0\u1ee3u etylic 6,9o thu \u0111\u01b0\u1ee3c dung d\u1ecbch X (trong \u0111\u00f3 n\u1ed3ng \u0111\u1ed9 axit axetic b\u1eb1ng 5,32%). Bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a r\u01b0\u1ee3u etylic nguy\u00ean ch\u1ea5t l\u00e0 0,8 gam\/ml; n\u01b0\u1edbc l\u00e0 1 gam\/ml.T\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng l\u00ean men. C\u00e2u 5: (3,0 \u0111i\u1ec3m) 1. H\u00f2a tan Fe3O4 v\u00e0o dung d\u1ecbch H2SO4 (lo\u00e3ng, d\u01b0), thu \u0111\u01b0\u1ee3c dung d\u1ecbch X.Cho l\u1ea7n l\u01b0\u1ee3t c\u00e1c ch\u1ea5t sau v\u00e0o dung d\u1ecbch X: KMnO4, Cl2, KI, Cu.Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh minh h\u1ecda c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra (n\u1ebfu c\u00f3). 2. X l\u00e0 h\u1ed7n h\u1ee3p g\u1ed3m kim lo\u1ea1i R v\u00e0 kim lo\u1ea1i ki\u1ec1m M. Khi th\u00eam 0,92 gam Na v\u00e0o 5,43 gam X \u1edf tr\u00ean thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y c\u00f3 ch\u1ee9a 36,22% Na theo kh\u1ed1i l\u01b0\u1ee3ng. L\u1ea5y to\u00e0n b\u1ed9 h\u1ed7n h\u1ee3p Y cho t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch NaOH, thu \u0111\u01b0\u1ee3c 6,16 l\u00edt kh\u00ed H2 (\u0111ktc). a) X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i M v\u00e0 R. b) L\u1ea5y m gam X \u1edf tr\u00ean cho v\u00e0o n\u01b0\u1edbc d\u01b0 thu \u0111\u01b0\u1ee3c 2,016 l\u00edt kh\u00ed H2 (\u0111ktc). T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. C\u00e2u 6: (4,0 \u0111i\u1ec3m) 1. \u0110\u1ed1t ch\u00e1y c\u00f9ng s\u1ed1 mol ba hi\u0111rocacbon X, Y, Z ta thu \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng CO2 nh\u01b0 nhau v\u00e0 t\u1ef7 l\u1ec7 s\u1ed1 mol H2O v\u00e0 CO2 \u0111\u1ed1i v\u1edbi X, Y, Z t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng 0,5; 1; 1,5. a) X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 g\u1ecdi t\u00ean X, Y, Z. b) \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p E ch\u1ee9a X, Y, Z \u1edf tr\u00ean (t\u1ec9 kh\u1ed1i c\u1ee7a E so v\u1edbi hi\u0111ro l\u00e0 14,5). H\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y sinh ra v\u00e0o dung d\u1ecbch ch\u1ee9a 0,2635 mol Ba(OH)2. Sau khi k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch kh\u00f4ng thay \u0111\u1ed5i so v\u1edbi dung d\u1ecbch Ba(OH)2 l\u00fac ban \u0111\u1ea7u. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. 2. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 X c\u1ea7n d\u00f9ng 6,72 l\u00edt kh\u00f4ng kh\u00ed (\u0111ktc), d\u1eabn to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y qua b\u00ecnh dung d\u1ecbch Ca(OH)2 d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c 6 gam k\u1ebft t\u1ee7a v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch Ca(OH)2 sau ph\u1ea3n \u1ee9ng gi\u1ea3m 2,28 gam (bi\u1ebft trong kh\u00f4ng kh\u00ed oxi chi\u1ebfm 20% th\u1ec3 t\u00edch). T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 X, bi\u1ebft r\u1eb1ng 13,2 gam h\u01a1i ch\u1ea5t X \u0111o \u1edf \u0111ktc chi\u1ebfm 4,928 l\u00edt h\u01a1i. --- H\u1ebeT --- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI CH\u1eccN HSG C\u1ea4P T\u1ec8NH 575","PH\u1ea6N 6. GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 \u0110\u1ec0 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A UBND T\u1ec8NH TH\u00c1I NGUY\u00caN K\u1ef2 THI TUY\u1ec2N SINH L\u1edaP 10 N\u0102M H\u1eccC 2022 - 2023 S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O M\u00d4N: H\u00d3A H\u1eccC (D\u00e0nh cho th\u00ed sinh thi chuy\u00ean H\u00f3a h\u1ecdc) Th\u1eddi gian l\u00e0m b\u00e0i: 180 ph\u00fat. C\u00e2u 1(1,0 \u0111i\u1ec3m): Cho h\u1ed7n h\u1ee3p (X) g\u1ed3m: Cu, Al2O3 v\u00e0 Fe2O3. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch c\u00e1c ch\u1ea5t ra kh\u1ecfi h\u1ed7n h\u1ee3p X m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. H\u01b0\u1edbng d\u1eabn gi\u1ea3i S\u01a1 \u0111\u1ed3 t\u00e1ch ch\u1ea5t: ddCuCl2 \uf0be\u00ae\uf0bepd\uf0bed\uf0aeCu \uf0ecCu \uf0beC\uf0bel2\uf0be\uf0ae \uf0ef\uf0ecCuCl2 H2O X \uf0ed\uf0efAl2O3 \uf0edAl2O3 \uf0ee\uf0efFe2O3 \uf0ee\uf0efFe2O3 Fe2O3 \uf0ef\uf0ed\uf0ec\uf0ef\uf0eeFAel22OO33 NaOH \uf0ef\uf0ec\uf0edNaAlO2 \uf0beC\uf0beO2\uf0be\uf0ae Al(OH)3 \uf0bet\uf0be0 \uf0ae Al2O3 \uf0ef\uf0eeNaOH d\u00f6 Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng: - Cho h\u1ed7n h\u1ee3p tr\u00ean t\u00e1c d\u1ee5ng Cl2 d\u01b0 sau \u0111\u00f3 cho s\u1ea3n ph\u1ea9m v\u00e0o H2O thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p 2 ch\u1ea5t r\u1eafn kh\u00f4ng tan l\u00e0 Al2O3, Fe2O3, ph\u1ea7n dung d\u1ecbch \u0111em \u0111i\u1ec7n ph\u00e2n dung d\u1ecbch thu \u0111\u01b0\u1ee3c Cu (c\u00f3 th\u1ec3 x\u1eed l\u00ed dd CuCl2 v\u1edbi ki\u1ec1m, t\u1ea1o k\u1ebft t\u1ee7a Cu(OH)2, nung k\u1ebft t\u1ee7a t\u1ea1o CuO, kh\u1eed CuO thu \u0111\u01b0\u1ee3c Cu) Cu + Cl2 \uf0ae CuCl2 CuCl2 \uf0be\u00ae\uf0bepdd\uf0be\uf0ae Cu + Cl2 - Cho 2 ch\u1ea5t Al2O3, Fe2O3 v\u00e0o dung d\u1ecbch NaOH d\u01b0, l\u1ecdc t\u00e1c Fe2O3 kh\u00f4ng tan, s\u1ee5c CO2 d\u01b0 v\u00e0o ph\u1ea7n dung d\u1ecbch thu \u0111\u01b0\u1ee3c Al(OH)3 \u0111em nhi\u1ec7t ph\u00e2n \u0111\u01b0\u1ee3c Al2O3 Al2O3 + 2NaOH \uf0ae 2NaAlO2 + H2O CO2 d\u01b0 + NaOH \uf0ae NaHCO3 NaAlO2 + CO2 + 2H2O \uf0ae Al(OH)3 + NaHCO3 2Al(OH)3 \uf0bet\uf0beo \uf0ae Al2O3 + 3H2O C\u00e2u 2(1,0 \u0111i\u1ec3m): Cho c\u00e1c dung d\u1ecbch NaNO3, Na2CO3, Zn(NO3)2, Mg(NO3)2 \u0111\u1ef1ng trong c\u00e1c l\u1ecd ri\u00eang bi\u1ec7t b\u1ecb m\u1ea5t nh\u00e3n. Ch\u1ec9 d\u00f9ng th\u00eam m\u1ed9t dung d\u1ecbch baz\u01a1, tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc nh\u1eadn bi\u1ebft c\u00e1c dung d\u1ecbch tr\u00ean. Vi\u1ebft PTHH c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. H\u01b0\u1edbng d\u1eabn gi\u1ea3i - Tr\u00edch c\u00e1c m\u1eabu th\u1eed v\u00e0 \u0111\u00e1nh s\u1ed1 t\u01b0\u01a1ng \u1ee9ng. - Ch\u1ecdn dung d\u1ecbch NaOH l\u00e0m thu\u1ed1c th\u1eed (c\u00f3 th\u1ec3 ch\u1ecdn dung d\u1ecbch KOH) -Cho t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch NaOH v\u00e0o l\u1ea7n l\u01b0\u1ee3t c\u00e1c m\u1eabu th\u1eed + M\u1eabu n\u00e0o t\u1ea1o k\u1ebft t\u1ee7a m\u00e0u tr\u1eafng, kh\u00f4ng tan trong ki\u1ec1m d\u01b0 \u0111\u00f3 l\u00e0 dung d\u1ecbch Mg(NO3)2 2NaOH + Mg(NO3)2 \u2192 2NaNO3 + Mg(OH)2 \u2193 + M\u1eabu n\u00e0o t\u1ea1o k\u1ebft t\u1ee7a m\u00e0u tr\u1eafng, tan trong ki\u1ec1m d\u01b0 \u0111\u00f3 l\u00e0 dung d\u1ecbch Zn(NO3)2 2NaOH + Zn(NO3)2 \u2192 2NaNO3 + Zn(OH)2 \u2193 2NaOH + Zn(OH)2 \u2192 Na2ZnO2 + 2H2O GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 576","+ Hai m\u1eabu c\u00f2n l\u1ea1i kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec l\u00e0 dung d\u1ecbch NaNO3 v\u00e0 Na2CO3 (I) - L\u1ea5y dung d\u1ecbch Mg(NO3)2 \u0111\u00e3 nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c, cho t\u00e1c d\u1ee5ng v\u1edbi hai m\u1eabu (I) + N\u1ebfu th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a m\u00e0u tr\u1eafng l\u00e0 dung d\u1ecbch Na2CO3 Na2CO3 + Mg(NO3)2 \u2192 2NaNO3 + MgCO3 \u2193 + N\u1ebfu kh\u00f4ng th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng g\u00ec, \u0111\u00f3 l\u00e0 dung d\u1ecbch Na2CO3 C\u00e2u 3(1,0 \u0111i\u1ec3m): H\u00f2a tan ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p A, B c\u00f3 t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 1 : 2 v\u00e0o n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c dung d\u1ecbch D. Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh ba th\u00ed nghi\u1ec7m: . -Th\u00ed nghi\u1ec7m 1: Cho KOH d\u01b0 v\u00e0o V l\u00edt dung d\u1ecbch D thu \u0111\u01b0\u1ee3c x mol kh\u00ed v\u00e0 a mol k\u1ebft tua. -Th\u00ed nghi\u1ec7m 2: Cho Ba(OH)2 d\u01b0 v\u00e0o V l\u00edt dung d\u1ecbch D thu \u0111\u01b0\u1ee3c x mol kh\u00ed v\u00e0 b mol k\u1ebft t\u1ee7a. -Th\u00ed nghi\u1ec7m 3: Cho H2SO4 d\u01b0 v\u00e0o V l\u00edt dung d\u1ecbch D thu \u0111\u01b0\u1ee3c x mol kh\u00ed v\u00e0 c mol k\u1ebft t\u1ee7a. Bi\u1ebft A, B ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t trong c\u00e1c ch\u1ea5t sau: NH4Cl, Ba(HCO3)2, (NH4)2CO3, BaCl2. X\u00e1c \u0111\u1ecbnh A, B ph\u00f9 h\u1ee3p v\u00e0 thi\u1ebft l\u1eadp m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa a, b, c. Vi\u1ebft PTHH c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra trong ba th\u00ed nghi\u1ec7m tr\u00ean. H\u01b0\u1edbng d\u1eabn gi\u1ea3i Dung d\u1ecbch D t\u00e1c d\u1ee5ng v\u1edbi ki\u1ec1m d\u01b0 thu \u0111\u01b0\u1ee3c kh\u00ed, suy ra D ch\u1ee9a mu\u1ed1i amoni. Dung d\u1ecbch D t\u00e1c d\u1ee5ng v\u1edbi KOH d\u01b0 thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a, suy ra D ch\u1ee9a mu\u1ed1i c\u1ee7a Ba v\u00e0 g\u1ed1c axit \u2013 HCO3 S\u1ed1 mol kh\u00ed NH3 b\u1eb1ng s\u1ed1 mol kh\u00ed CO2 (\u0111\u1ec1u l\u00e0 x mol) n\u00ean trong D s\u1ed1 mol amoni NH4 b\u1eb1ng s\u1ed1 mol hi\u0111rocacbonat HCO3 V\u1eady trong V l\u00edt dung d\u1ecbch D g\u1ed3m: A l\u00e0 Ba(HCO3)2 (n mol); B l\u00e0 NH4Cl (2n mol) PTHH Th\u00ed nghi\u1ec7m 1: D + KOH d\u01b0 NH4Cl + KOH \u2192 KCl + NH3\u2191 + H2O Mol 2n 2n \uf0de x = 2n Ba(HCO3)2 + 2KOH \u2192 BaCO3\u2193 + K2CO3 + 2H2O Mol n n \uf0dea = n (1) Th\u00ed nghi\u1ec7m 2: D + Ba(OH)2 d\u01b0 2NH4Cl + Ba(OH)2 \u2192 BaCl2 + 2NH3\u2191 + 2H2O Mol 2n 2n \uf0de x = 2n Ba(HCO3)2 + Ba(OH)2 \u2192 2BaCO3\u2193 + 2H2O Mol n 2n \uf0de b = 2n (2) Th\u00ed nghi\u1ec7m 3: D + H2SO4 d\u01b0 Ba(HCO3)2 + H2SO4 \u2192 BaSO4\u2193 + 2CO2 + 2H2O Mol n n 2n \uf0de x = 2n; c = n (3) T\u1eeb (1,2,3) suy ra b = 2a = 2c ; a = c; b = a+c C\u00e2u 4(1,0 \u0111i\u1ec3m): Cho s\u01a1 \u0111\u1ed3 chuy\u1ec3n ho\u00e1 sau: A (1) (4) CO2 (5) C (2) C2H5OH (7) B (3) (8) D (6) Vi\u1ebft PTHH c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra trong s\u01a1 \u0111\u1ed3 tr\u00ean v\u00e0 ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3). Bi\u1ebft A, B, C, D l\u00e0 k\u00ed hi\u1ec7u c\u1ee7a c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 kh\u00e1c nhau. H\u01b0\u1edbng d\u1eabn gi\u1ea3i (1) CH3CH2OH \uf0beH\uf0be2SO\uf0be4,\uf0be170\uf0beo C\uf0be\uf0ae CH2 = CH2 + H2O (A) (2) CH2 = CH2 + HCl \uf0ae CH3CH2Cl (A) (B) (3) C2H5Cl + NaOH \uf0bet\uf0beo\uf0ae C2H5OH + NaCl (B) GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 577","(4) C2H5OH + 3O2 \uf0bet\uf0beo\uf0ae 2CO2 + 3H2O (5) 6nCO2 + 5nH2O \uf0be\uf0be\u00b8nh\uf0bes\u00b8n\uf0beg\uf0be\uf0ae (C6H10O5)n + 6nO2\uf0ad clorophin (C) (6) (C6H10O5)n + nH2O \uf0beEn\uf0bezim\uf0ae nC6H12O6 (C) (D) (7) 6CO2 + 6H2O \uf0be\uf0be\u00b8nh\uf0bes\u00b8n\uf0beg\uf0be\uf0ae C6H12O6 + 6O2 clorophin (D) (8) C6H12O6 \uf0beEn\uf0bezim\uf0ae 2C2H5OH + 2CO2 \uf0ad (D) C\u00e2u 5 (1,0 \u0111i\u1ec3m). Cho c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 X, Y, Z, T, M \u0111\u1ec1u \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf, c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed l\u00e0 C2H6O, C3H8O, C3H6O2. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y, Z, T, M v\u00e0 vi\u1ebft PTHH c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. Bi\u1ebft r\u1eb1ng: X, Z, M t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na; M t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi NaOH, oxi h\u00f3a Z trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p thu \u0111\u01b0\u1ee3c M, Y, T t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi NaOH khi \u0111un n\u00f3ng v\u00e0 s\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng khi cho T t\u00e1c d\u1ee5ng v\u1edbi NaOH c\u00f3 X. H\u01b0\u1edbng d\u1eabn gi\u1ea3i C2H6O (k=0), C3H8O (k=0), C3H6O2 (k=1). M v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi Na, v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi NaOH n\u00ean M l\u00e0 axit CH3-CH2-COOH 2CH3-CH2-COOH + 2Na \u2192 2CH3-CH2-COONa + H2 CH3-CH2-COOH + NaOH \u2192 CH3-CH2-COONa + H2O Z t\u00e1c d\u1ee5ng v\u1edbi Na v\u00e0 khi oxi h\u00f3a Z trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p thu \u0111\u01b0\u1ee3c M. Suy ra Z l\u00e0 ancol CH3-CH2-CH2-OH 2CH3-CH2-CH2-OH + 2Na \u2192 2CH3-CH2-CH2-ONa + H2 CH3-CH2-CH2-OH + O2 \uf0bex\uf0bet\uf0ae CH3-CH2-COOH + H2O X t\u00e1c d\u1ee5ng v\u1edbi Na, n\u00ean X l\u00e0 ancol (c\u00f3 th\u1ec3 l\u00e0 CH3-CH2-OH ho\u1eb7c CH3-CH(OH)-CH3). Y, T t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi NaOH khi \u0111un n\u00f3ng, n\u00ean Y, T l\u00e0 este. S\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng khi cho T t\u00e1c d\u1ee5ng v\u1edbi NaOH c\u00f3 X. Suy ra X l\u00e0 CH3-CH2-OH; Y l\u00e0 CH3COO-CH3; T l\u00e0 HCOO-CH2-CH3; 2CH3- CH2-OH + 2Na \u2192 2CH3-CH2-ONa + H2 HCOO-CH2-CH3 + NaOH \uf0bet\uf0be0\uf0ae H-COONa + CH3- CH2-OH CH3COO-CH3 + NaOH \uf0bet\uf0be0\uf0ae CH3COONa + CH3-OH C\u00e2u 6(1,0 \u0111i\u1ec3m): Ch\u1ea5t r\u1eafn B thu \u0111\u01b0\u1ee3c khi nung x gam h\u1ed7n h\u1ee3p A g\u1ed3m NaHCO3 v\u00e0 CaCO3 \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i. Cho ch\u1ea5t r\u1eafn B v\u00e0o n\u01b0\u1edbc d\u01b0, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c y gam k\u1ebft t\u1ee7a D v\u00e0 dung d\u1ecbch E. Nh\u1ecf r\u1ea5t t\u1eeb t\u1eeb dung d\u1ecbch HCl 1M v\u00e0o dung d\u1ecbch E \u0111\u1ebfn khi b\u1eaft \u0111\u1ea7u c\u00f3 kh\u00ed tho\u00e1t ra th\u00ec d\u00f9ng h\u1ebft V l\u00edt dung d\u1ecbch HCl. M\u1eb7t kh\u00e1c, nh\u1ecf r\u1ea5t t\u1eeb t\u1eeb dung d\u1ecbch HCl 1M v\u00e0o dung d\u1ecbch E \u0111\u1ebfn khi kh\u00ed ng\u1eebng tho\u00e1t ra th\u00ec d\u00f9ng h\u1ebft 1,2V l\u00edt dung d\u1ecbch HCl. X\u00e1c \u0111\u1ecbnh t\u1ec9 l\u1ec7 x:y. H\u01b0\u1edbng d\u1eabn gi\u1ea3i G\u1ecdi a, b l\u1ea7n l\u01b0\u1ee3t l\u00e0 s\u1ed1 mol c\u1ee7a trong NaHCO3 v\u00e0 CaCO3 h\u1ed7n h\u1ee3p A \uf0de x = 84a+100b (I) Nung A \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i 2NaHCO3 \uf0bet\uf0be0 \uf0ae Na2CO3 + CO2 + H2O Mol a a 2 CaCO3 \uf0bet\uf0be0 \uf0ae CaO + CO2 Mol b b Ch\u1ea5t r\u1eafn B g\u1ed3m Na2CO3 v\u00e0 CaO t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc d\u01b0 GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 578","CaO + H2O \u2192 Ca(OH)2 Mol b b Na2CO3 + Ca(OH)2 \u2192 CaCO3 + 2NaOH Mol b bb 2b V\u00ec dung d\u1ecbch E ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch HCl t\u1ea1o kh\u00ed n\u00ean E g\u1ed3m 2b mol NaOH v\u00e0 \uf0e6 a \uf02d b \uf0f6 mol \uf0e7\uf0e8 2 \uf0f8\uf0f7 Na2CO3 d\u01b0 K\u1ebft t\u1ee7a D l\u00e0 CaCO3 (b mol) \uf0de y = 100b (II) Th\u00eam t\u1eeb t\u1eeb V l\u00edt dung d\u1ecbch HCl 1M v\u00e0o E NaOH + HCl \u2192 NaCl + H2O Mol 2b 2b Na2CO3 + HCl \u2192 NaCl + NaHCO3 Mol \uf0e6 a \uf02d b \uf0f6 \uf0e6 a \uf02d b \uf0f6 \uf0e7\uf0e8 2 \uf0f7\uf0f8 \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0de nHCl = 2b + \uf0e6a \uf02d b \uf0f6 = \uf0e6a \uf02b b \uf0f6 = V (III) \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0e7\uf0e8 2 \uf0f8\uf0f7 Th\u00eam t\u1eeb t\u1eeb 1,2V l\u00edt dung d\u1ecbch HCl 1M v\u00e0o E NaOH + HCl \u2192 NaCl + H2O Mol 2b 2b Na2CO3 + HCl \u2192 NaCl + NaHCO3 Mol \uf0e6 a \uf02d b \uf0f6 \uf0e6 a \uf02d b \uf0f6 \uf0e6 a \uf02d b \uf0f6 \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0e7\uf0e8 2 \uf0f7\uf0f8 NaHCO3 + HCl \u2192 NaCl + CO2 + H2O Mol \uf0e6 a \uf02d b \uf0f6 \uf0e6 a \uf02d b \uf0f6 \uf0e7\uf0e8 2 \uf0f7\uf0f8 \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0de nHCl = 2b + \uf0e6a \uf02d b \uf0f6 + \uf0e6 a \uf02d b \uf0f6 = a = 1,2V (IV) \uf0e8\uf0e7 2 \uf0f7\uf0f8 \uf0e7\uf0e8 2 \uf0f7\uf0f8 T\u1eeb (III) v\u00e0 (IV) ta c\u00f3: a = 1,2 \uf0e6 a \uf02b b \uf0f6 \uf0de a = 3b (V) \uf0e8\uf0e7 2 \uf0f7\uf0f8 T\u1eeb (I,II,V) \uf0de x \uf03d 84a \uf02b100b \uf03d 84.3b \uf02b100b \uf03d 88 y 100b 100b 25 V\u1eady: \uf0de x \uf03d 88 y 25 C\u00e2u 7(1,0 \u0111i\u1ec3m): Cho 4,8 gam b\u1ed9t kim lo\u1ea1i X (h\u00f3a tr\u1ecb kh\u00f4ng \u0111\u1ed5i) v\u00e0o 250 ml dung d\u1ecbch g\u1ed3m Fe(NO3)2 0,3M v\u00e0 Cu(NO3)2 0,1M r\u1ed3i khu\u1ea5y \u0111\u1ec1u cho \u0111\u1ebfn khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A v\u00e0 8,2 gam ch\u1ea5t r\u1eafn B. a. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i X. b.T\u00ednh n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a ch\u1ea5t tan trong A, coi th\u1ec3 t\u00edch dung d\u1ecbch kh\u00f4ng thay \u0111\u1ed5i trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh. H\u01b0\u1edbng d\u1eabn gi\u1ea3i a. n \uf03d CM .V \uf0de \uf0ec\uf0ef\uf0ee\uf0ef\uf0ednnCFeu((NNOO33))22 \uf03d 0,3.0, 25 \uf03d 0, 075 mol \uf03d 0,1.0, 25 \uf03d 0, 025 mol V\u00ec Cu c\u00f3 t\u00ednh kim lo\u1ea1i y\u1ebfu h\u01a1n Fe n\u00ean mu\u1ed1i Cu(NO3)2 ph\u1ea3n \u1ee9ng tr\u01b0\u1edbc. N\u1ebfu ch\u1ec9 c\u00f3 Cu(NO3)2 ph\u1ea3n \u1ee9ng (c\u00f3 th\u1ec3 h\u1ebft ho\u1eb7c d\u01b0) khi \u0111\u00f3 mB \uf03d mX (c\u00e3 th\u00d3 d-) \uf02b mCu \uf03c 4,8 \uf02b 64.0, 025 \uf03d 6, 4 gam (lo\u1ea1i, v\u00ec gi\u1ea3 thi\u1ebft mB = 8,2 gam) V\u1eady X c\u00f3 ph\u1ea3n \u1ee9ng v\u1edbi c\u1ea3 hai mu\u1ed1i. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 579","Nh\u1eadn x\u00e9t: Kh\u1ed1i l\u01b0\u1ee3ng Cu v\u00e0 Fe c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ed1i \u0111a l\u00e0 56.0,075 + 64.0,025 = 5,8 gam < 8,2 gam, n\u00ean B c\u00f2n X d\u01b0. X c\u00f3 NTK l\u00e0 X, h\u00f3a tr\u1ecb l\u00e0 n PTHH: 2X + nCu(NO3)2 \u2192 2X(NO3)n + nCu Mol: 0, 05 0,025 0,025 n 2X + nFe(NO3)2 \u2192 2X(NO3)n + nFe Mol: 0,15 0,075 0,075 n \uf0ecCu : 0, 025.64 \uf03d 1, 6gam B g\u1ed3m \uf0ef\uf0edFe : 0, 075.56 \uf03d 4, 2gam \uf0ee\uf0efX (d-) : 8,2 -1,6 - 4,2 = 2,4gam Kh\u1ed1i l\u01b0\u1ee3ng X ph\u1ea3n \u1ee9ng l\u00e0 X \uf0e6 0, 05 \uf02b 0,15 \uf0f6 \uf03d 4,8 \uf02d 2, 4 \uf0de X \uf03d 12n \uf0de \uf0ecn \uf03d 2 \uf0e8\uf0e7 n n \uf0f8\uf0f7 \uf0ed \uf0ee X \uf03d 24(Mg) V\u1eady X l\u00e0 kim lo\u1ea1i magie (Mg) b. Dung d\u1ecbch A ch\u1ee9a Mg(NO3)2: 0,1 mol \uf0de CM [Mg(NO3 )2 ] \uf03d 0,1 \uf03d 0, 4M 0, 25 C\u00e2u 8(1,0 \u0111i\u1ec3m): D\u1eabn t\u1eeb t\u1eeb lu\u1ed3ng kh\u00ed H2 d\u01b0 qua 6,08 gam h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn A g\u1ed3m FeO, Fe3O4, CuO (nung n\u00f3ng) \u0111\u1ec3 c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn B. To\u00e0n b\u1ed9 l\u01b0\u1ee3ng n\u01b0\u1edbc sinh ra cho h\u1ea5p th\u1ee5 v\u00e0o 20 gam dung d\u1ecbch H2SO4 98% th\u00ec thu \u0111\u01b0\u1ee3c dung d\u1ecbch H2SO4 90,66%. H\u00f2a tan ho\u00e0n to\u00e0n ch\u1ea5t r\u1eafn B b\u1eb1ng l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 dung d\u1ecbch HCl thu \u0111\u01b0\u1ee3c dung d\u1ecbch D v\u00e0 th\u1ea5y tho\u00e1t ra m\u1ed9t th\u1ec3 t\u00edch kh\u00ed H2 b\u1eb1ng 2\/3 th\u1ec3 t\u00edch kh\u00ed H2 \u0111\u00e3 d\u00f9ng \u1edf tr\u00ean. a. Vi\u1ebft PTHH c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra v\u00e0 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i ch\u1ea5t c\u00f3 trong h\u1ed7n h\u1ee3p A. b. Cho dung d\u1ecbch AgNO3 d\u01b0 v\u00e0o dung d\u1ecbch D th\u00ec thu \u0111\u01b0\u1ee3c bao nhi\u00eau gam k\u1ebft t\u1ee7a? H\u01b0\u1edbng d\u1eabn gi\u1ea3i a. C\u00e1c PTHH FeO + H2 \uf0bet\uf0be0 \uf0ae Fe + H2O Fe3O4 + 4H2 \uf0bet\uf0be0 \uf0ae 3Fe + 4H2O CuO + H2 \uf0bet\uf0be0 \uf0ae Cu + H2O Fe + 2HCl \uf0be\uf0be\uf0ae FeCl2 + H2 S\u01a1 \u0111\u1ed3: \uf0ecFeO : x mol \uf0ecFe : (x + 3y) mol (BT Fe) 6, 08gam A \uf0ef\uf0edFe3O4 : y mol \uf0be\uf02b\uf0beH2t0(\uf0bed-)\uf0be\uf0ae B \uf0ed\uf0eeCu : z mol (BT Cu) H2O : (x + 4y + z) mol (BT O) \uf0beB\uf0beTH\uf0be\uf0ae nH2(p-) \uf03d (x + 4y + z) \uf0ee\uf0efCuO : z mol mA \uf03d 72x \uf02b 232 y \uf02b 80z \uf03d 6, 08 (I) H2O : (x + 4y + z) mol \uf02b 20 gam dd H2SO4 98% \uf0be\uf0be\uf0ae[18(x \uf02b 4 y \uf02b z) \uf02b 20] gam dd H2SO4 90,66% \uf0de mH2SO4 \uf03d 20.98% \uf03d [18(x \uf02b 4 y \uf02b z) \uf02b 20].90, 66% (II) \uf0ecFe : (x + 3y) mol \uf0be+\uf0beddH\uf0beCl v\uf0be\u00f5a \u00ae\uf0be\u00f1\uf0ae H2 (x \uf02b 3 y )mol \uf0de x \uf02b 3y \uf03d 2 (x + 4y + z) (III) B \uf0ed\uf0eeCu : z mol 3 dd D : FeCl2 (x+3y) mol \uf0ec72x \uf02b 232 y \uf02b 80z \uf03d 6, 08 \uf0ecx \uf03d 0, 03 A \uf0ed\uf0ef\uf0ec\uf0ee\uf0efmmmCFFeeu3OOO4\uf03d\uf03d\uf03d782203..002,,.00032, 0\uf03d\uf03d112\uf03d,,6126,g3ag2mamgam \uf0ed\uf0efx \uf02b 4 y \uf02b z \uf03d 0, 09 \uf0de \uf0ef T\u1eeb (I, II, III) ta c\u00f3: \uf0ee\uf0efx \uf02b y \uf02d 2z \uf03d 0 \uf0ed y \uf03d 0, 01 \uf0de \uf0ef\uf0eez \uf03d 0, 02 GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 580","b. Dung d\u1ecbch D ch\u1ee9a 0,06 mol FeCl2 + dung d\u1ecbch AgNO3 d\u01b0 FeCl2 + 3AgNO3 \uf0be\uf0be\uf0ae Fe(NO3)3 + 2AgCl\u2193 + Ag\u2193 Mol: 0,06 0,12 0,06 m\u2193 = 143,5.0,12 + 108.0,06 = 23,7 gam C\u00e2u 9(1,0 \u0111i\u1ec3m): H\u1ed7n h\u1ee3p A g\u1ed3m m\u1ed9t axit h\u1eefu c\u01a1 v\u00e0 m\u1ed9t este (c\u00e1c ch\u1ea5t kh\u00f4ng ch\u1ee9a nh\u00f3m ch\u1ee9c n\u00e0o kh\u00e1c). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m\u1ed9t l\u01b0\u1ee3ng A thu \u0111\u01b0\u1ee3c 2,128 l\u00edt CO2 (\u0111ktc) v\u00e0 1,71 gam H2O. M\u1eb7t kh\u00e1c 2,13 gam A t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi 10 gam dung d\u1ecbch NaOH 10% \u0111un n\u00f3ng. Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, c\u00f4 c\u1ea1n dung d\u1ecbch thu \u0111\u01b0\u1ee3c m\u1ed9t ch\u1ea5t r\u1eafn khan B v\u00e0 ph\u1ea7n h\u01a1i D. H\u00f3a l\u1ecfng D r\u1ed3i cho v\u00e0o b\u00ecnh \u0111\u1ef1ng Na d\u01b0 nh\u1eadn th\u1ea5y sau ph\u1ea3n \u1ee9ng kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh t\u0103ng 9,205 gam. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o v\u00e0 t\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i ch\u1ea5t trong h\u1ed7n h\u1ee3p A. Bi\u1ebft r\u1eb1ng trong A s\u1ed1 mol axit > s\u1ed1 mol este > 0,0075 mol. H\u01b0\u1edbng d\u1eabn gi\u1ea3i A \uf0ecaxit \uf0be\uf02b\uf0beO2\uf0be\uf0ae \uf0ed\uf0ecCO2 : 0, 095 mol \uf0bev\uf0be\u00d7 n\uf0beCO\uf0be2 \uf03dn\uf0beH2\uf0beO \uf0ae A \uf0ecaxit no, \u00ae\u00acn ch\u00f8c, m\u00b9ch h\u00eb : C n H2n O2 \uf0ed \uf0ed \uf0eeeste \uf0eeH2O : 0,095 mol \uf0eeeste no, \u00ae\u00acn ch\u00f8c, m\u00b9ch h\u00eb : CmH2mO2 \uf0ec NaOH:10.10% \uf03d0,025mol \uf0de \uf0ecRCOOH : x mol \uf0ef 40 A \uf0ed\uf0eeRCOO \uf02d ; \uf0ef \uf0ed H2O:10\uf02d1108.10% \uf03d0,5mol R ' : y mol \uf0ecaxit \uf0be\uf0be\uf0be\uf0be\uf0be\uf0be\uf0be\uf0be\uf0ae\uf02b\uf0ef m\u00e9t ch\u00cat r\u00ben B B l\u00af RCOONa \uf0ed\uf0eeeste \uf0ee\uf0ef A C\u00ab c\u00b9n dd sau ph\u00b0n \u00f8ng \uf0ec H 2O : (0, 5 \uf02b x)mol \uf0ed D \uf0eeR 'OH : y mol \uf0be\uf02b\uf0beNa \uf0bed\u00ad \uf0ae mb \u00d7 nh Na t\u00a8ng \uf03d 9, 205 gam PTHH RCOOH + NaOH \uf0be\uf0be\uf0ae RCOONa + H2O Mol x x x RCOO - R' + NaOH \uf0be\uf0be\uf0ae RCOONa + R'OH Mol y y y 2H2O + 2Na \uf0be\uf0be\uf0ae2NaOH + H2 Mol (0,5 + x) 0,5 + x 2 2R'OH + 2Na \uf0be\uf0be\uf0ae2R'ONa + H2 Mol y y 2 \uf0ec \uf0ef\uf0ed\uf0ef\uf0efnxN\uf03eaOHy \uf03d x\uf02b y\uf03d 0, 025 \uf03e 0, 0075 Ta c\u00f3: \uf0ef x) \uf02b (R '\uf02b17).y \uf02d 2.\uf0e6\uf0e8\uf0e7 0,5 + x \uf02b y \uf0f6 \uf03d 9, 205 \uf0ef18.(0,5 \uf02b 2 2 \uf0f7\uf0f8 \uf0ef\uf0ee \uf0ec0, 025 \uf03d x \uf02b y \uf03e y \uf02b y \uf0ef\uf0ec0, 0075 \uf03c y \uf03c 0, 0125 \uf0ef 0, 28 \uf0de \uf0ed y \uf03e 0, 0075 \uf0de \uf0ed y \uf03d 0, 28 \uf0de 0, 0075 \uf03c R '\uf02d1 \uf03c 0, 0125 \uf0ef\uf0ee R '\uf02d1 \uf0ef\uf0ee(R '\uf02d1) y \uf03d 0, 28 \uf0ec y \uf03d 0, 01 \uf0de 23, 4 \uf03c R ' \uf03c 38,3 \uf0de R ' \uf03d 29(C2H5 \uf02d) \uf0de \uf0ed\uf0efx \uf03d 0, 015 \uf0ef\uf0ee(R \uf02b 45).0, 015 \uf02b (R \uf02b 44 \uf02b 29).0, 01 \uf03d 2,13 GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 581","\uf0de R \uf03d 29(C2 H 5 \uf02d) \uf0de A \uf0ef\uf0ecCH 3 \uf02d CH 2 \uf02d COOH : 74.0, 015 .100% \uf03d 52,11% \uf0ed 2,13 \uf0ee\uf0efCH3 \uf02d CH2 \uf02d COO \uf02d CH2 \uf02d CH3 :100% \uf02d 52,11% \uf03d 47,89% C\u00e2u 10(1,0 \u0111i\u1ec3m): H\u1ed7n h\u1ee3p kh\u00ed A g\u1ed3m hai hi\u0111rocacbon m\u1ea1ch h\u1edf X, Y. Bi\u1ebft X thu\u1ed9c m\u1ed9t trong ba d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng c\u1ee7a ankan, anken, ankin; Y ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch brom d\u01b0 theo t\u1ec9 l\u1ec7 1 : 1 v\u1ec1 s\u1ed1 mol. Cho 3,36 l\u00edt kh\u00ed H2 (\u0111ktc) v\u00e0o A r\u1ed3i d\u1eabn to\u00e0n b\u1ed9 h\u1ed7n h\u1ee3p qua \u1ed1ng s\u1ee9 \u0111\u1ef1ng Ni nung n\u00f3ng thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed B g\u1ed3m hai kh\u00ed. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n B r\u1ed3i h\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m v\u00e0o dung d\u1ecbch Ba(OH)2 d\u01b0, k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 19,7 gam k\u1ebft t\u1ee7a, \u0111\u1ed3ng th\u1eddi kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch gi\u1ea3m 11,52 gam. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X, Y v\u00e0 t\u00ednh ph\u1ea7n tr\u0103m v\u1ec1 th\u1ec3 t\u00edch c\u1ee7a X, Y trong h\u1ed7n h\u1ee3p A. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. H\u01b0\u1edbng d\u1eabn gi\u1ea3i \uf0ec \uf0ecX \uf0ef A \uf0ed\uf0eeY \uf0ee\uf0ec\uf0edCHO2O2 ::ab mol 19, 7gam BaCO3 hh \uf0ed \uf0beNt\uf0be0i\uf0ae B \uf0be\uf02b\uf0beO2\uf0be\uf0ae mol \uf0be\uf02b\uf0bedd \uf0beBa(O\uf0beH)2\uf0bed\u00ad\uf0ae dd sau ph\u00b0n \u00f8ng gi\u00b0m 11,52 gam \uf0ef H 2 : 0,15 mol \uf0ee \uf0de \uf0ef\uf0ecBTC : a = 19, 7 \uf0de \uf0eca \uf03d 0,1 \uf0de \u00a7\u00e8t A thu \u00ae\u00ad\u00eec \uf0ec\uf0ed\uf0eeCHO2O2 ::00,,12m1\uf02dol0,15 \uf03d 0, 06 mol \uf0ed 197 \uf0ed\uf0eeb \uf03d 0, 21 \uf0ef\uf0ee19, 7 \uf02d \uf03d 11, 52 (44a \uf02b18b) V\u00ec Y ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch brom d\u01b0 theo t\u1ec9 l\u1ec7 1 : 1 v\u1ec1 s\u1ed1 mol n\u00ean Y l\u00e0 anken (CmH2m) V\u00ec khi \u0111\u1ed1t ch\u00e1y A thu \u0111\u01b0\u1ee3c s\u1ed1 mol CO2 > s\u1ed1 mol H2O n\u00ean X l\u00e0 ankin (CnH2n-2) A \uf0ecX : C Hn 2n-2 : x mol \uf0de \uf0ec BTC : nx \uf02b my \uf03d 0,1 \uf03d 0, 06 \uf0de \uf0ecnx \uf03c 0,1 \uf0de n \uf03c 2, 5 \uf0de \uf0ecn = 2 \uf0ee\uf0edY : C m H 2m : y mol \uf0ed BTH : (n \uf02d 1)x \uf02b my \uf0ed\uf0eex \uf03d 0, 04 \uf0ed\uf0eeX : C2H2 \uf0ee V\u00ec h\u1ed7n h\u1ee3p kh\u00ed B g\u1ed3m hai kh\u00ed, n\u00ean c\u00f3 2 tr\u01b0\u1eddng h\u1ee3p -Tr\u01b0\u1eddng h\u1ee3p 1: B g\u1ed3m hai ankan A \uf0ecC 2H2 : 0,04 mol \uf0be\uf02b\uf0beH2N:\uf0be0i,,1t05\uf0bemo\uf0bel\uf0ae B \uf0ecC 2H6 : 0, 04 mol \uf0de \uf0ecBTC : 2.0, 04 \uf02b my \uf03d 0,1 \uf0de \uf0ec\uf0ef y \uf03d 0, 07 \uf0ee\uf0edC m H 2m : y mol \uf0ed\uf0eeC Hm 2m+2 :y mol \uf0ed \uf02b y\uf03d \uf0ed\uf0ef\uf0eem \uf03d 2 (lo\u00b9i) \uf0ee nH 2 ph\u00b0n \u00f8ng \uf03d 0, 04.2 0,15 7 - Tr\u01b0\u1eddng h\u1ee3p 2: B g\u1ed3m m\u1ed9t ankan (C2H6) v\u00e0 H2 d\u01b0. Suy ra Y l\u00e0 C2H4 A \uf0ecX : C 2 H2 : 0,04 mol \uf0de 0, 04 \uf02b 2 y \uf03d 0, 06 \uf0de y \uf03d 0, 01 \uf0de A \uf0ef\uf0ec%VC 2 H2 \uf03d 0, 04 .100% \uf03d 80% \uf0ed \uf0ed 0, 04 \uf02b 0, 01 \uf0eeY : C2H4 : y mol \uf0ef\uf0ee%VC2H2 \uf03d 100% \uf02d 80% \uf03d 20% -----H\u1ebft----- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O \u0110\u1ec0 THI TUY\u1ec2N SINH L\u1edaP 10 THPT T\u1ec8NH NINH B\u00ccNH N\u0103m h\u1ecdc 2022 - 2023 \u0110\u1ec0 THI CH\u00cdNH TH\u1ee8C B\u00e0i thi m\u00f4n chuy\u00ean: H\u00f3a h\u1ecdc; Ng\u00e0y thi: 10\/6\/2022 Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian ph\u00e1t \u0111\u1ec1) \u0110\u1ec1 thi g\u1ed3m 06 c\u00e2u, trong 02 trang C\u00e2u 1 ( 2,0 \u0111i\u1ec3m). Ho\u00e0n th\u00e0nh ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng theo c\u00e1c s\u01a1 \u0111\u1ed3 d\u01b0\u1edbi \u0111\u00e2y (ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n n\u1ebfu c\u00f3) 1.Fe \uf0be(\uf0be1)\uf0aeFe2(SO4)3 \uf0be(\uf0be2)\uf0ae Fe(OH)3 \uf0be(\uf0be3)\uf0aeFe2O3 \uf0be(\uf0be4)\uf0ae Al2O3 2.Cu \uf0be(\uf0be5)\uf0ae CuSO4 \uf0be(\uf0be6)\uf0ae Al2(SO4)3 \uf0be(\uf0be7)\uf0ae NaAlO2 \uf0be(\uf0be8)\uf0aeAl(OH)3 GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 582","C\u00e2u 2 ( 2,0 \u0111i\u1ec3m). 1. Cho c\u00e1c kh\u00ed b\u1ecb l\u1eabn h\u01a1i n\u01b0\u1edbc \u0111\u1ef1ng trong c\u00e1c b\u00ecnh ri\u00eang bi\u1ec7t: Cl2, SO2, O2, H2S a. D\u00f9ng CaO r\u1eafn, khan l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o v\u00e0 kh\u00f4ng l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh gi\u1ea3i th\u00edch. b. D\u00f9ng H2SO4 \u0111\u1eb7c l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o v\u00e0 kh\u00f4ng l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh gi\u1ea3i th\u00edch. 2. C\u00f3 ba b\u00ecnh \u0111\u1ef1ng t\u1eebng dung d\u1ecbch ri\u00eang bi\u1ec7t: HCl lo\u00e3ng; H2SO4 lo\u00e3ng; H2SO4 \u0111\u1eb7c. Ch\u1ec9 d\u00f9ng c\u00e1c kim lo\u1ea1i Cu v\u00e0 Ba( c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c c\u00f3 \u0111\u1ee7) h\u00e3y ph\u00e2n bi\u1ec7t ch\u00fang. C\u00e2u 3 ( 2,0 \u0111i\u1ec3m). 1. C\u00f3 b\u1ed1n b\u00ecnh \u0111\u1ef1ng b\u1ed1n ch\u1ea5t l\u1ecfng ri\u00eang bi\u1ec7t sau: C2H5OH, CH3COOH, CH2=CHCOOH; CH3COOC2H5. H\u00e3y ph\u00e2n bi\u1ec7t ch\u00fang b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc. 2. Cho b\u1ed1n ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed: C2H2, C2H2Br2, C3H6O, C3H4O2 \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u ng\u1eabu nhi\u00ean l\u00e0 X, Y, Z, T. Bi\u1ebft r\u1eb1ng: - X v\u00e0 T t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na. - Dung d\u1ecbch X ho\u00e0 tan \u0111\u01b0\u1ee3c CaCO3. - Y t\u00e1c d\u1ee5ng v\u1edbi AgNO3 trong dung d\u1ecbch NH3 thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng. - B\u1ed1n ch\u1ea5t X,Y, Z, T \u0111\u1ec1u l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom. H\u00e3y x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y, Z, T. C\u00e2u 4 ( 2,0 \u0111i\u1ec3m). 1. B\u1eb1ng c\u00e1c ki\u1ebfn th\u1ee9c ho\u00e1 h\u1ecdc h\u00e3y tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi sau: a. Trong n\u1ecdc ong c\u00f3 ch\u1ee9a HCOOH. H\u00e3y gi\u1ea3i th\u00edch t\u1ea1i sao b\u00f4i v\u00f4i v\u00e0o ch\u1ed7 ong \u0111\u1ed1t s\u1ebd c\u1ea3m th\u1ea5y \u0111\u1ee1 \u0111au? b. \u201c Tr\u1ee9ng mu\u1ed1i\u201d l\u00e0 m\u00f3n \u0103n b\u1ed5 d\u01b0\u1ee1ng v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch. M\u00f3n \u0103n n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng ho\u00e1 h\u1ecdc n\u00e0o? c. V\u00ec sao trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, mu\u1ed1i (NH4)2CO3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m b\u1ed9t n\u1edf? 2. Cho m gam h\u1ed7n h\u1ee3p kim lo\u1ea1i Ba, Na ( t\u1ec9 l\u1ec7 mol 1:1) v\u00e0o n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c 3,36 l\u00edt H2 (\u0111ktc) v\u00e0 dung d\u1ecbch X. Cho CO2 h\u1ea5p th\u1ee5 t\u1eeb t\u1eeb v\u00e0o dung d\u1ecbch X. V\u1ebd \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a s\u1ed1 mol k\u1ebft t\u1ee7a theo s\u1ed1 mol CO2 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5. C\u00e2u 5 ( 1,0 \u0111i\u1ec3m). Cho x gam m\u1ed9t mu\u1ed1i halogen c\u1ee7a m\u1ed9t kim lo\u1ea1i ki\u1ec1m t\u00e1c d\u1ee5ng v\u1edbi 250 ml dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng (v\u1eeba \u0111\u1ee7). Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p s\u1ea3n ph\u1ea9m A trong \u0111\u00f3 c\u00f3 m\u1ed9t kh\u00ed B (m\u00f9i tr\u1ee9ng th\u1ed1i). Cho kh\u00ed B t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Pb(NO3)2 (d\u01b0) thu \u0111\u01b0\u1ee3c 47,8 gam k\u1ebft t\u1ee7a m\u00e0u \u0111en. Ph\u1ea7n s\u1ea3n ph\u1ea9m c\u00f2n l\u1ea1i, l\u00e0m kh\u00f4 thu \u0111\u01b0\u1ee3c 342,4 gam ch\u1ea5t r\u1eafn T. Nung T \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 139,2 gam mu\u1ed1i M duy nh\u1ea5t. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed mu\u1ed1i halogen. C\u00e2u 6 ( 1,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m hai ch\u1ea5t h\u1eefu c\u01a1 A (RCOOH) m\u1ea1ch ph\u00e2n nh\u00e1nh v\u00e0 B l\u00e0 R\/(OH)2, trong \u0111\u00f3 R, R\/ l\u00e0 c\u00e1c g\u1ed1c hi\u0111rocacbon m\u1ea1ch h\u1edf. Chia 0,2 mol X th\u00e0nh hai ph\u1ea7n b\u1eb1ng nhau. \u0110em ph\u1ea7n 1 t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na, thu \u0111\u01b0\u1ee3c 0,08 mol kh\u00ed. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n ph\u1ea7n 2, thu \u0111\u01b0\u1ee3c 0,28 mol CO2 v\u00e0 0,3 mol n\u01b0\u1edbc. 1. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a A, B. 2. N\u1ebfu \u0111un n\u00f3ng ph\u1ea7n 1 v\u1edbi dung d\u1ecbch H2SO4 \u0111\u1eb7c \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng este h\u00f3a th\u00ec c\u00f3 m\u1ed9t n\u1eeda l\u01b0\u1ee3ng axit ph\u1ea3n \u1ee9ng v\u00e0 thu \u0111\u01b0\u1ee3c 2,29 gam h\u1ed7n h\u1ee3p hai este. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng v\u00e0 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i este. --------------H\u1ebft-------------- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 583","S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 NGH\u1ec6 AN TR\u01af\u1edcNG THPT CHUY\u00caN PHAN B\u1ed8I CH\u00c2U \u0110\u1ec1 ch\u00ednh th\u1ee9c TR\u01af\u1edcNG THPT CHUY\u00caN \u2013 TR\u01af\u1edcNG \u0110H VINH N\u0102M H\u1eccC 2022 \u2013 2023 (\u0110\u1ec1 g\u1ed3m 02 trang) M\u00f4n thi: H\u00d3A H\u1eccC Th\u1eddi gian: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 Cho nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H = 1; C = 12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S =32, Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Ag = 108; Ba = 137. C\u00e2u I. (3,0 \u0111i\u1ec3m): 1. Ch\u1ea5t kh\u00ed A r\u1ea5t \u0111\u1ed9c, kh\u00f4ng m\u00e0u, kh\u00f4ng m\u00f9i. Cho kh\u00ed A \u0111i qua \u1ed1ng \u0111\u1ef1ng CuO d\u01b0, nung n\u00f3ng, th\u00ec thu \u0111\u01b0\u1ee3c kh\u00ed B v\u00e0 ch\u1ea5t r\u1eafn trong \u1ed1ng chuy\u1ec3n d\u1ea7n t\u1eeb m\u00e0u \u0111en sang m\u00e0u \u0111\u1ecf. N\u1ebfu cho kh\u00ed A ph\u1ea3n \u1ee9ng v\u1edbi h\u01a1i n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 cao th\u00ec thu \u0111\u01b0\u1ee3c kh\u00ed B v\u00e0 kh\u00ed D. Cho kh\u00ed D t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed N2 thu \u0111\u01b0\u1ee3c kh\u00ed E. Trong c\u00f4ng nghi\u1ec7p, ch\u1ea5t r\u1eafn R \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch n\u00e9n h\u1ed7n h\u1ee3p kh\u00ed B v\u00e0 kh\u00ed E. H\u00f2a tan ch\u1ea5t R v\u00e0o n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c dung d\u1ecbch G. Khi cho G t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Ba(OH)2 d\u01b0 th\u1ea5y t\u1ea1o ra kh\u00ed E v\u00e0 k\u1ebft t\u1ee7a L. N\u1ebfu cho G t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0 th\u00ec t\u1ea1o ra kh\u00ed B. a) X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t A, B, D, E, R, G, L tho\u1ea3 m\u00e3n c\u00e1c t\u00ednh ch\u1ea5t tr\u00ean. b) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. Ho\u00e0n th\u00e0nh ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng sau: a) Ca(OH)2 (dd) + NaHCO3(d\u01b0) \uf0ae b) CaO + C \uf0be2\uf0be000\uf0beoC\uf0ae c) Cl2(d\u01b0) + FeBr2 (dd) \uf0ae C\u00e2u II. (3,0 \u0111i\u1ec3m): \u0110\u1ed1t ch\u00e1y b\u1ed9t l\u01b0u hu\u1ef3nh trong kh\u00ed oxi v\u1eeba \u0111\u1ee7 thu \u0111\u01b0\u1ee3c kh\u00ed X. Ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m sau: - Th\u00ed nghi\u1ec7m 1: S\u1ee5c t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 kh\u00ed X v\u00e0o dung d\u1ecbch Ba(OH)2 thu \u0111\u01b0\u1ee3c dung d\u1ecbch A. - Th\u00ed nghi\u1ec7m 2: S\u1ee5c kh\u00ed X v\u00e0o l\u01b0\u1ee3ng v\u1eeba \u0111\u1ee7 dung d\u1ecbch Br2 lo\u00e3ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch B. - Th\u00ed nghi\u1ec7m 3: S\u1ee5c kh\u00ed X v\u00e0o dung d\u1ecbch KMnO4 lo\u00e3ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch D. a) N\u00eau hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3. b) Ti\u1ebfn h\u00e0nh th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi c\u00e1c dung d\u1ecbch A, B. C\u00e1c hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra nh\u01b0 sau: +) Cho dung d\u1ecbch A v\u00e0o dung d\u1ecbch B v\u00e0 khu\u1ea5y \u0111\u1ec1u th\u1ea5y xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng v\u00e0 c\u00f3 kh\u00ed m\u00f9i h\u1eafc tho\u00e1t ra. ++) \u0110\u1ec3 dung d\u1ecbch B (kh\u00f4ng m\u00e0u) trong kh\u00f4ng kh\u00ed m\u1ed9t th\u1eddi gian th\u1ea5y dung d\u1ecbch chuy\u1ec3n d\u1ea7n sang m\u00e0u v\u00e0ng. H\u00e3y vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u III (3,0 \u0111i\u1ec3m): 1. Cho s\u01a1 \u0111\u1ed3 chuy\u1ec3n h\u00f3a sau: C6H12O6 (Glucoz\u01a1) \uf0be(\uf0be1)\uf0ae A \uf0be(\uf0be2)\uf0ae B \uf0be(\uf0be3)\uf0ae D \uf0be(\uf0be4)\uf0ae E \uf0be1\uf0be500\uf0be0(C5), L\uf0beLN\uf0be\uf0ae F \uf0be(\uf0be6)\uf0ae G \uf0be(\uf0be7)\uf0ae A a) X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t A, B, D, E, F, G (bi\u1ebft A, B, D, F, G l\u00e0 nh\u1eefng ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 c\u00f9ng s\u1ed1 nguy\u00ean t\u1eed cacbon). b) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 584","2. H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 E \u0111a ch\u1ee9c, m\u1ea1ch kh\u00f4ng ph\u00e2n nh\u00e1nh c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C8H12O6. Th\u1ee7y ph\u00e2n E (trong m\u00f4i tr\u01b0\u1eddng axit) th\u00ec thu \u0111\u01b0\u1ee3c 2 axit cacboxylic X, Y v\u00e0 2 ancol A, B. L\u1eadp lu\u1eadn \u0111\u1ec3 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a ch\u1ea5t h\u1eefu c\u01a1 E (bi\u1ebft kh\u1ed1i l\u01b0\u1ee3ng mol: MA < MB < MX < MY). C\u00e2u IV. (3,0 \u0111i\u1ec3m): 1. H\u00f3a h\u1ecdc l\u00e0 m\u00f4n khoa h\u1ecdc th\u1ef1c nghi\u1ec7m, c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n cu\u1ed9c s\u1ed1ng. H\u00e3y gi\u1ea3i th\u00edch b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra khi: a) \u0110\u00e1m ch\u00e1y c\u00f3 kim lo\u1ea1i m\u1ea1nh (nh\u01b0 c\u00f3 Mg) kh\u00f4ng d\u00f9ng kh\u00ed CO2 \u0111\u1ec3 d\u1eadp t\u1eaft. b) D\u1ee5ng c\u1ee5 b\u1eb1ng th\u1ee7y tinh kh\u00f4ng d\u00f9ng \u0111\u1ec3 \u0111\u1ef1ng dung d\u1ecbch HF. c) Trong t\u1ef1 nhi\u00ean c\u00f3 nhi\u1ec1u ngu\u1ed3n sinh ra kh\u00ed H2S nh\u01b0ng l\u1ea1i kh\u00f4ng c\u00f3 s\u1ef1 t\u00edch t\u1ee5 H2S trong kh\u00f4ng kh\u00ed. d) \u0110\u1ec3 lo\u1ea1i b\u1ecf mu\u1ed1i Fe(II) c\u00f3 trong n\u01b0\u1edbc ng\u1ea7m (th\u01b0\u1eddng l\u00e0 Fe(HCO3)2) ng\u01b0\u1eddi ta cho n\u01b0\u1edbc ng\u1ea7m ch\u1ea3y qua c\u00e1c gi\u00e0n phun m\u01b0a, sau \u0111\u00f3 l\u1ecdc b\u1ecf ch\u1ea5t r\u1eafn t\u1ea1o ra. 2. Trong ph\u00f2ng th\u00ed nghi\u1ec7m, etyl axetat \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch \u0111un n\u00f3ng h\u1ed7n h\u1ee3p r\u01b0\u1ee3u etylic v\u00e0 axit axetic v\u1edbi x\u00fac t\u00e1c H2SO4 \u0111\u1eb7c (H\u00ecnh 1) H\u00ecnh 1: \u0110i\u1ec1u ch\u1ebf etyl axetat trong ph\u00f2ng th\u00ed nghi\u1ec7m. a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra trong th\u00ed nghi\u1ec7m tr\u00ean. b) H\u00e3y cho bi\u1ebft vai tr\u00f2 c\u1ee7a c\u1ed1c n\u01b0\u1edbc l\u1ea1nh trong th\u00ed nghi\u1ec7m? Sau khi k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng, th\u00eam m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0o ch\u1ea5t l\u1ecfng ng\u01b0ng t\u1ee5 trong \u1ed1ng nghi\u1ec7m B, l\u1eafc nh\u1eb9 th\u00ec c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng g\u00ec x\u1ea3y ra? C\u00e2u V. (4,0 \u0111i\u1ec3m): 1. H\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n 0,3 mol CO2 v\u00e0o dung d\u1ecbch X ch\u1ee9a KOH v\u00e0 K2CO3 thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ee9a 2 ch\u1ea5t tan. Nh\u1ecf t\u1eeb t\u1eeb \u0111\u1ebfn h\u1ebft dung d\u1ecbch Y v\u00e0o 450 ml dung d\u1ecbch HCl 1M, sau khi k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z v\u00e0 0,36 mol kh\u00ed. M\u1eb7t kh\u00e1c, n\u1ebfu cho to\u00e0n b\u1ed9 dung d\u1ecbch Y t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch Ba(OH)2 th\u00ec thu \u0111\u01b0\u1ee3c 118,2 gam k\u1ebft t\u1ee7a. X\u00e1c \u0111\u1ecbnh s\u1ed1 mol c\u00e1c ch\u1ea5t trong dung d\u1ecbch X. 2. L\u1ea5y 22,32 gam h\u1ed7n h\u1ee3p A g\u1ed3m M, MO, MCO3 (M l\u00e0 kim lo\u1ea1i) t\u00e1c d\u1ee5ng ho\u00e0n to\u00e0n v\u1edbi 161,7 gam dung d\u1ecbch H2SO4 80% \u0111\u1eb7c, n\u00f3ng, d\u01b0 thu \u0111\u01b0\u1ee3c dung d\u1ecbch B v\u00e0 0,33 mol h\u1ed7n h\u1ee3p kh\u00ed D g\u1ed3m CO2 v\u00e0 SO2. H\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n D v\u00e0o dung d\u1ecbch Ca(OH)2 d\u01b0, th\u1ea5y xu\u1ea5t hi\u1ec7n 38,4 gam k\u1ebft t\u1ee7a. Trung h\u00f2a B b\u1eb1ng dung d\u1ecbch NaOH thu \u0111\u01b0\u1ee3c dung d\u1ecbch G. L\u00e0m bay h\u01a1i dung d\u1ecbch G th\u00ec thu \u0111\u01b0\u1ee3c 277,5 gam h\u1ed7n h\u1ee3p E g\u1ed3m Na2SO4.10H2O v\u00e0 mu\u1ed1i k\u1ebft tinh X (t\u1ec9 l\u1ec7 s\u1ed1 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 4:1). L\u00e0m khan ho\u00e0n to\u00e0n E th\u00ec c\u00f2n l\u1ea1i 145,2 gam h\u1ed7n h\u1ee3p mu\u1ed1i F. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a mu\u1ed1i k\u1ebft tinh X v\u00e0 th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p A. C\u00e2u VI. (4,0 \u0111i\u1ec3m): 1. H\u1ed7n h\u1ee3p M g\u1ed3m 2 hi\u0111rocacbon m\u1ea1ch h\u1edf X v\u00e0 Y \u0111\u1ec1u l\u00e0 ch\u1ea5t kh\u00ed \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng (X, Y h\u01a1n k\u00e9m nhau 1 nguy\u00ean t\u1eed cacbon; MX < MY). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p M thu \u0111\u01b0\u1ee3c 0,45 mol CO2 v\u00e0 0,15 mol H2O. M\u1eb7t kh\u00e1c, cho 0,4 mol h\u1ed7n h\u1ee3p M qua b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch Br2 d\u01b0, th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh t\u0103ng 19 gam v\u00e0 kh\u00f4ng c\u00f3 kh\u00ed tho\u00e1t ra. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra ho\u00e0n to\u00e0n. a) X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed, vi\u1ebft c\u00e1c c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a c\u00e1c ch\u1ea5t X v\u00e0 Y. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 585","b) T\u00ednh th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a X, Y trong h\u1ed7n h\u1ee3p M. 2. H\u1ed7n h\u1ee3p E g\u1ed3m axit cacboxylic A v\u00e0 r\u01b0\u1ee3u B (A, B \u0111\u1ec1u m\u1ea1ch h\u1edf v\u00e0 c\u00f3 m\u1ea1ch cacbon kh\u00f4ng ph\u00e2n nh\u00e1nh). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,3 mol h\u1ed7n h\u1ee3p E thu \u0111\u01b0\u1ee3c 1,1 mol CO2 v\u00e0 0,6 mol H2O. Khi cho h\u1ed7n h\u1ee3p E t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c H2 theo t\u1ec9 l\u1ec7 s\u1ed1 mol nE : nH2 \uf03d 6 : 7 . C\u00f2n khi cho h\u1ed7n h\u1ee3p E t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0 th\u00ec t\u1ec9 l\u1ec7 s\u1ed1 mol nE : nNaOH (ph\u1ea3n \u1ee9ng) = 3: 4. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a A, B. .......... H\u1ebeT .......... S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 THPT H\u01afNG Y\u00caN N\u0102M H\u1eccC 2022 \u2013 2023 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C B\u00e0i thi: H\u00d3A H\u1eccC (\u0110\u1ec1 thi g\u1ed3m 02 trang) D\u00e0nh cho th\u00ed sinh d\u1ef1 thi v\u00e0o l\u1edbp chuy\u00ean H\u00f3a h\u1ecdc Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian ph\u00e1t \u0111\u1ec1 C\u00e2u I (2,0 \u0111i\u1ec3m). 1. N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m sau: a. Nh\u1ecf dung d\u1ecbch NaOH v\u00e0o dung d\u1ecbch CuCl2, b. S\u1ee5c kh\u00ed SO2 v\u00e0o dung d\u1ecbch Ca(OH)2 d\u01b0, c. Nh\u1ecf t\u1eeb t\u1eeb dung d\u1ecbch Na2CO3 v\u00e0o dung d\u1ecbch HCl, d. Cho FeS v\u00e0o dung d\u1ecbch H2SO4 lo\u00e3ng. 2. Cho s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc sau: X + H2SO4 \uf0ae Fe2(SO4)3 + SO2 + H2O T\u00ecm 4 ch\u1ea5t r\u1eafn kh\u00e1c nhau th\u1ecfa m\u00e3n X v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra. C\u00e2u II (2,0 \u0111i\u1ec3m). 1. Axit acrylic (CH2 = CH - COOH) v\u1eeba c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 axit axetic, v\u1eeba c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc t\u01b0\u01a1ng t\u1ef1 etilen. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra gi\u1eefa axit acrylic v\u1edbi: K, KOH, C2H5OH (c\u00f3 m\u1eb7t H2SO4 \u0111\u1eb7c, \u0111un n\u00f3ng) v\u00e0 dung d\u1ecbch brom \u0111\u1ec3 minh h\u1ecda nh\u1eadn x\u00e9t tr\u00ean. 2. V\u1eadn d\u1ee5ng ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c ti\u1ec5n d\u01b0\u1edbi \u0111\u00e2y. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc minh h\u1ecda (n\u1ebfu c\u00f3). a. D\u00f9ng b\u1ed9t l\u01b0u hu\u1ef3nh r\u1eafc l\u00ean th\u1ee7y ng\u00e2n r\u01a1i v\u00e3i khi nhi\u1ec7t k\u1ebf th\u1ee7y ng\u00e2n b\u1ecb v\u1ee1, b. V\u1ecf tr\u1ee9ng g\u00e0 s\u1ee7i b\u1ecdt khi ng\u00e2m trong dung d\u1ecbch gi\u1ea5m \u0103n, c. \u1ede m\u1ed9t s\u1ed1 n\u01a1i, khi d\u00f9ng n\u01b0\u1edbc gi\u1ebfng \u0111\u1ec3 \u0111un th\u00ec th\u1ea5y c\u00f3 l\u1edbp ch\u1ea5t r\u1eafn b\u00e1m \u1edf \u0111\u00e1y \u1ea5m. d. Trong th\u00ed nghi\u1ec7m \u0111i\u1ec1u ch\u1ebf kh\u00ed sunfur\u01a1, ng\u01b0\u1eddi ta th\u01b0\u1eddng \u0111\u1eb7t mi\u1ebfng b\u00f4ng t\u1ea9m x\u00fat tr\u00ean mi\u1ec7ng b\u00ecnh thu kh\u00ed. C\u00e2u III (2,0 \u0111i\u1ec3m). 1. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p X g\u1ed3m hai ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 c\u00f9ng c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ea7n d\u00f9ng 54,88 l\u00edt O2, s\u1ea3n ph\u1ea9m ch\u00e1y g\u1ed3m 47,04 l\u00edt kh\u00ed CO2 v\u00e0 37,8 gam H2O. N\u1ebfu cho m gam X t\u00e1c d\u1ee5ng v\u1edbi 800 ml dung d\u1ecbch NaOH 1M, thu \u0111\u01b0\u1ee3c 23 gam ancol Y v\u00e0 dung d\u1ecbch Z. C\u00f4 c\u1ea1n dung d\u1ecbch Z thu \u0111\u01b0\u1ee3c 57,2 gam ch\u1ea5t r\u1eafn khan. Bi\u1ebft th\u1ec3 t\u00edch c\u00e1c kh\u00ed \u0111o \u1edf \u0111ktc. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a hai ch\u1ea5t h\u1eefu c\u01a1 trong h\u1ed7n h\u1ee3p X. 2. C\u00f3 5 b\u00ecnh kh\u00ed ri\u00eang bi\u1ec7t kh\u00f4ng d\u00e1n nh\u00e3n ch\u1ee9a: CH4, C2H4, C2H2, CO2, HCl. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p h\u00f3a h\u1ecdc \u0111\u1ec3 nh\u1eadn ra c\u00e1c b\u00ecnh kh\u00ed tr\u00ean. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc minh h\u1ecda (n\u1ebfu c\u00f3). C\u00e2u IV (2,0 \u0111i\u1ec3m). 1. H\u1ed7n h\u1ee3p X g\u1ed3m hai mu\u1ed1i Na2CO3 v\u00e0 KHCO3 c\u00f3 t\u1ec9 l\u1ec7 mol t\u01b0\u01a1ng \u1ee9ng l\u00e0 2:3. Cho m gam X t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch HCl thu \u0111\u01b0\u1ee3c kh\u00ed Y v\u00e0 dung d\u1ecbch Z, h\u1ea5p th\u1ee5 kh\u00ed Y v\u00e0o 400ml dung d\u1ecbch Ba(OH)2 0,2M thu \u0111\u01b0\u1ee3c 13,79 gam k\u1ebft t\u1ee7a. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 586","a. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra. b. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. 2. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 1,72 gam h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 X ch\u1ee9a c\u00e1c nguy\u00ean t\u1ed1 C, H, O r\u1ed3i cho to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0o b\u00ecnh \u0111\u1ef1ng 140 ml dung d\u1ecbch KOH 1M th\u00ec th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh t\u0103ng 4,6 gam, dung d\u1ecbch sau ph\u1ea3n \u1ee9ng ch\u1ee9a hai mu\u1ed1i c\u00f3 t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 10,28 gam. T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X. Bi\u1ebft t\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a X so v\u1edbi H2 l\u00e0 43. C\u00e2u V (2,0 \u0111i\u1ec3m). 1. Nung m gam h\u1ed7n h\u1ee3p X g\u1ed3m Al v\u00e0 Fe3O4 trong m\u00f4i tr\u01b0\u1eddng kh\u00ed tr\u01a1 \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn Y. Chia Y th\u00e0nh hai ph\u1ea7n: - Ph\u1ea7n 1: Cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH d\u01b0 thu \u0111\u01b0\u1ee3c 3,36 l\u00edt H2 (\u0111ktc), dung d\u1ecbch Z v\u00e0 ph\u1ea7n kh\u00f4ng tan T. - Ph\u1ea7n 2: Ch\u00f3 t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch HCl th\u00ec th\u1ea5y c\u00f3 4,8 mol HCl \u0111\u00e3 ph\u1ea3n \u1ee9ng v\u00e0 tho\u00e1t ra 26,88 l\u00edt kh\u00ed (\u0111ktc) a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. b. Cho m gam h\u1ed7n h\u1ee3p X tr\u00ean tan v\u00e0o dung d\u1ecbch HNO3 lo\u00e3ng d\u01b0, thu \u0111\u01b0\u1ee3c dung d\u1ecbch kh\u00f4ng ch\u1ee9a mu\u1ed1i amoni v\u00e0 tho\u00e1t ra kh\u00ed NO duy nh\u1ea5t. T\u00ednh s\u1ed1 mol HNO3 \u0111\u00e3 ph\u1ea3n \u1ee9ng. 2. Cho h\u1ed7n h\u1ee3p E g\u1ed3m C2H2, C3H6, C4H10 v\u00e0 H2. Khi cho 11,2 l\u00edt (\u0111ktc) h\u1ed7n h\u1ee3p E quan dung d\u1ecbch brom d\u01b0 th\u00ec th\u1ea5y c\u00f3 64 gam brom \u0111\u00e3 ph\u1ea3n \u1ee9ng. M\u1eb7t kh\u00e1c, nung n\u00f3ng a gam h\u1ed7n h\u1ee3p E v\u1edbi x\u00fac t\u00e1c Ni, sau ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p F. \u0110\u1ed1t ch\u00e1y h\u1ebft F r\u1ed3i cho s\u1ea3n ph\u1ea9m ch\u00e1y qua dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong d\u01b0 th\u1ea5y xu\u1ea5t hi\u1ec7n m gam k\u1ebft t\u1ee7a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. Bi\u1ebft r\u1eb1ng F c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t m\u00e0u t\u1ed1i \u0111a 0,15 mol Br2 trong dung d\u1ecbch. --------------- H\u1ebeT--------------- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 H\u00c0 T\u0128NH TR\u01af\u1edcNG THPT CHUY\u00caN H\u00c0 T\u0128NH \u0110\u1ec0 CH\u00cdNH TH\u1ee8C N\u0102M H\u1eccC 2022 - 2023 M\u00f4n: H\u00f3a h\u1ecdc (\u0110\u1ec1 thi g\u1ed3m 02 trang, 10 c\u00e2u) Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (1,0 \u0111i\u1ec3m) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m sau: a. Cho t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch HCl v\u00e0o dung d\u1ecbch Na2CO3. b. Cho h\u1ed7n h\u1ee3p g\u1ed3m Fe3O4 v\u00e0 Cu v\u00e0o dung d\u1ecbch H2SO4 lo\u00e3ng, d\u01b0. c. Cho h\u1ed7n h\u1ee3p r\u1eafn g\u1ed3m BaCO3 v\u00e0 K2SO4 v\u00e0o dung d\u1ecbch HCl d\u01b0. d. Cho dung d\u1ecbch Ca(OH)2 d\u01b0 v\u00e0o dung d\u1ecbch (NH4)2HPO4. C\u00e2u 2. (1,0 \u0111i\u1ec3m) H\u00e3y gi\u1ea3i th\u00edch v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra (n\u1ebfu c\u00f3): a. V\u00e0o m\u00f9a \u0111\u00f4ng, khi r\u1eeda ch\u00e9n b\u00e1t d\u00ednh nhi\u1ec1u d\u1ea7u m\u1ee1, ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng n\u01b0\u1edbc n\u00f3ng. b. Kh\u00f4ng d\u00f9ng b\u1ebfp than \u0111\u1ec3 s\u01b0\u1edfi v\u00e0 \u1ee7 b\u1ebfp trong ph\u00f2ng k\u00edn. c. Kh\u00f4ng th\u1ec3 d\u00f9ng kh\u00ed CO2 \u0111\u1ec3 d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y kim lo\u1ea1i Mg. d. Khi pha lo\u00e3ng sulfuric acid (H2SO4) \u0111\u1eb7c, ng\u01b0\u1eddi ta ph\u1ea3i r\u00f3t t\u1eeb t\u1eeb acid v\u00e0o n\u01b0\u1edbc m\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng l\u00e0m ng\u01b0\u1ee3c l\u1ea1i. C\u00e2u 3. (1,0 \u0111i\u1ec3m) Khi \u0111un n\u00f3ng ethanol (C2H5OH) v\u1edbi sulfuric acid (H2SO4) \u0111\u1eb7c \u1edf 170\u00b0C \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf ethylene (C2H4) th\u01b0\u1eddng t\u1ea1o ra h\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m C2H4, CO2 v\u00e0 SO2. D\u1eabn X qua dung d\u1ecbch GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 587","ch\u1ee9a m\u1ed9t ch\u1ea5t tan Y th\u1ea5y c\u00f3 ch\u1ea5t Z duy nh\u1ea5t tho\u00e1t ra. X\u00e1c \u0111\u1ecbnh hai c\u1eb7p Y, Z kh\u00e1c nhau ho\u00e0n to\u00e0n v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 4. (1,0 \u0111i\u1ec3m) \u0110\u1ec3 ph\u00f2ng, ch\u1ed1ng s\u1ef1 l\u00e2y lan c\u1ee7a d\u1ecbch COVID-19, m\u1ed9t trong c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u01b0\u1ee3c c\u00e1c t\u1ed5 ch\u1ee9c y t\u1ebf h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00e2n l\u00e0 r\u1eeda tay nhi\u1ec1u l\u1ea7n b\u1eb1ng x\u00e0 ph\u00f2ng ho\u1eb7c c\u00e1c dung d\u1ecbch s\u00e1t khu\u1ea9n c\u00f3 pha th\u00e0nh ph\u1ea7n ch\u1ea5t X. Ch\u1ea5t X c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf t\u1eeb ph\u1ea3n \u1ee9ng l\u00ean men ch\u1ea5t Y, c\u00f2n khi l\u00ean men ch\u1ea5t X thu \u0111\u01b0\u1ee3c ch\u1ea5t h\u1eefu c\u01a1 Z c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan \u0111\u00e1 v\u00f4i, khi cho X t\u00e1c d\u1ee5ng v\u1edbi Z trong \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p l\u1ea1i thu \u0111\u01b0\u1ee3c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 T c\u00f3 m\u00f9i d\u1ec5 ch\u1ecbu v\u00e0 \u0111\u1eb7c tr\u01b0ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c lo\u1ea1i s\u01a1n m\u00f3ng tay hay n\u01b0\u1edbc t\u1ea9y s\u01a1n m\u00f3ng tay. X\u00e1c \u0111\u1ecbnh X, Y, Z, T v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 5. (1,0 \u0111i\u1ec3m) Cho 12 gam h\u1ed7n h\u1ee3p A g\u1ed3m Mg v\u00e0 kim lo\u1ea1i R t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl d\u01b0 thu \u0111\u01b0\u1ee3c 6,72 l\u00edt kh\u00ed (\u1edf \u0111ktc). N\u1ebfu cho 14,4 gam h\u1ed7n h\u1ee3p A ph\u1ea3n \u1ee9ng v\u1edbi kh\u00ed Cl2 d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c 46,35 gam h\u1ed7n h\u1ee3p mu\u1ed1i. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. X\u00e1c \u0111\u1ecbnh kim lo\u1ea1i R. C\u00e2u 6. (1,0 \u0111i\u1ec3m) Cho 27,02 gam h\u1ed7n h\u1ee3p X g\u1ed3m 3 mu\u1ed1i K2CO3, KHCO3, KCl (trong \u0111\u00f3 c\u00f3 m\u1ed9t mu\u1ed1i ng\u1eadm n\u01b0\u1edbc) tan h\u1ebft v\u00e0o n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c dung d\u1ecbch Y. Dung d\u1ecbch Y t\u00e1c d\u1ee5ng t\u1ed1i \u0111a v\u1edbi 560 ml dung d\u1ecbch HCl 0,5M thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z, th\u00eam ti\u1ebfp l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO3 v\u00e0o Z thu \u0111\u01b0\u1ee3c 45,92 gam k\u1ebft t\u1ee7a. M\u1eb7t kh\u00e1c, khi cho Y t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch Ba(OH)2 thu \u0111\u01b0\u1ee3c 37,43 gam k\u1ebft t\u1ee7a. X\u00e1c \u0111\u1ecbnh tinh th\u1ec3 mu\u1ed1i ng\u1eadm n\u01b0\u1edbc trong X v\u00e0 t\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t trong X. Bi\u1ebft r\u1eb1ng, m\u1ed7i ph\u00e2n t\u1eed mu\u1ed1i ch\u1ec9 c\u00f3 th\u1ec3 ng\u1eadm m\u1ed9t s\u1ed1 nguy\u00ean ph\u00e2n t\u1eed n\u01b0\u1edbc. C\u00e2u 7. (1,0 \u0111i\u1ec3m) Cho hydrocarbon X l\u00e0 ch\u1ea5t kh\u00ed \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng v\u00e0 0,12 mol kh\u00ed O2 v\u00e0o b\u00ecnh k\u00edn r\u1ed3i th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng \u0111\u1ed1t ch\u00e1y. D\u1eabn to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m sau ph\u1ea3n \u1ee9ng v\u00e0o b\u00ecnh ch\u1ee9a 700 ml dung d\u1ecbch Ca(OH)2 0,1M thu \u0111\u01b0\u1ee3c 6,0 gam k\u1ebft t\u1ee7a v\u00e0 c\u00f2n l\u1ea1i 0,02 mol m\u1ed9t ch\u1ea5t kh\u00ed kh\u00f4ng b\u1ecb h\u1ea5p th\u1ee5. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. C\u00e2u 8. (1,0 \u0111i\u1ec3m) Cho m gam h\u1ed7n h\u1ee3p X g\u1ed3m Ba, Al, Fe t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc d\u01b0 thu \u0111\u01b0\u1ee3c 0,4 mol H2, dung d\u1ecbch Y v\u00e0 ch\u1ea5t r\u1eafn Z. Cho to\u00e0n b\u1ed9 Z t\u00e1c d\u1ee5ng v\u1edbi 200 ml dung d\u1ecbch CuSO4 0,75M, khu\u1ea5y \u0111\u1ec1u thu \u0111\u01b0\u1ee3c 13,8 gam kim lo\u1ea1i v\u00e0 dung d\u1ecbch T ch\u1ee9a hai mu\u1ed1i. Cho T t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch NaOH, l\u1ecdc l\u1ea5y k\u1ebft t\u1ee7a nung trong kh\u00f4ng khi \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 6,0 gam ch\u1ea5t r\u1eafn. C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh m. C\u00e2u 9. (1,0 \u0111i\u1ec3m) \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 0,4 mol h\u1ed7n h\u1ee3p X g\u1ed3m CH2=CH-COOH, CH3COOC2H5 v\u00e0 hai hydrocarbon m\u1ea1ch h\u1edf c\u1ea7n v\u1eeba \u0111\u1ee7 1,7 mol O2, t\u1ea1o ra CO2 v\u00e0 1,2 mol H2O. N\u1ebfu cho 36,6 gam X v\u00e0o dung d\u1ecbch Br2 d\u01b0 th\u00ec s\u1ed1 mol Br2 ph\u1ea3n \u1ee9ng t\u1ed1i \u0111a l\u00e0 0,45 mol. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a 0,4 mol h\u1ed7n h\u1ee3p X. C\u00e2u 10. (1,0 \u0111i\u1ec3m) Cho 22,96 gam h\u1ed7n h\u1ee3p X g\u1ed3m FeS2, FeCO3, Cu v\u00e0o b\u00ecnh k\u00edn (th\u1ec3 t\u00edch kh\u00f4ng \u0111\u1ed5i) ch\u1ee9a 0,5 mol O2 (d\u01b0). Nung n\u00f3ng b\u00ecnh \u0111\u1ebfn khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n r\u1ed3i \u0111\u01b0a v\u1ec1 nhi\u1ec7t \u0111\u1ed9 ban \u0111\u1ea7u th\u00ec \u00e1p su\u1ea5t trong b\u00ecnh gi\u1ea3m 13% so v\u1edbi \u00e1p su\u1ea5t ban \u0111\u1ea7u (coi th\u1ec3 t\u00edch ch\u1ea5t r\u1eafn thay \u0111\u1ed5i kh\u00f4ng \u0111\u00e1ng k\u1ec3). M\u1eb7t kh\u00e1c, h\u00f2a tan h\u1ebft 22,96 gam X b\u1eb1ng 78 gam dung d\u1ecbch H2SO4 98% \u0111un n\u00f3ng, thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y ch\u1ee9a ba mu\u1ed1i v\u00e0 0,74 mol h\u1ed7n h\u1ee3p kh\u00ed g\u1ed3m CO2, SO2. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m m\u1ed7i mu\u1ed1i trong Y. Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H = 1; O = 16; C = 12; Na = 23, Mg = 24; Al = 27; S = 32;Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Ag = 108; Ba = 137. --- H\u1ebft --- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 588","UBND T\u1ec8NH B\u1eaeC NINH K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 THPT CHUY\u00caN S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O N\u0102M H\u1eccC 2020 \u2013 2021 T\u1ea0O M\u00f4n thi: H\u00f3a h\u1ecdc (d\u00e0nh cho th\u00ed sinh chuy\u00ean h\u00f3a h\u1ecdc) \u0110\u1ec0 CH\u00cdNH TH\u1ee8C Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat(kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (2,0 \u0111i\u1ec3m) Ho\u00e0n th\u00e0nh ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng theo c\u00e1c s\u01a1 \u0111\u1ed3 d\u01b0\u1edbi d\u00e2y ( ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n n\u1ebfu c\u00f3 ) 1) Fe \uf0be(1\uf0be)\uf0ae Fe2(SO4)3 \uf0be(2\uf0be)\uf0ae Fe(OH)3 \uf0be(3\uf0be)\uf0ae Fe2O3 \uf0be(4\uf0be)\uf0ae Al2O3 2) Cu \uf0be(5\uf0be)\uf0ae CuSO4 \uf0be(6\uf0be)\uf0ae Al2(SO4)3 \uf0be(7\uf0be)\uf0ae NaAlO2 \uf0be(8\uf0be)\uf0ae Al(OH)3 C\u00e2u 2. (2,0 \u0111i\u1ec3m) 1) Cho c\u00e1c kh\u00ed b\u1ecb l\u1eabn h\u01a1i n\u01b0\u1edbc \u0111\u1ef1ng trong c\u00e1c b\u00ecnh ri\u00eang bi\u1ec7t : Cl2 , SO2 , O2 , H2S a) D\u00f9ng CaO r\u1eafn, khan l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o v\u00e0 kh\u00f4ng l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh gi\u1ea3i th\u00edch b) D\u00f9ng H2SO4 \u0111\u1eb7c l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o v\u00e0 kh\u00f4ng l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c kh\u00ed n\u00e0o? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh gi\u1ea3i th\u00edch 2) C\u00f3 ba b\u00ecnh \u0111\u1ef1ng t\u1eebng dung d\u1ecbch ri\u00eang bi\u1ec7t : HCl lo\u00e3ng; H2SO4 \u0111\u1eb7c. Ch\u1ec9 d\u00f9ng c\u00e1c kim lo\u1ea1i Cu v\u00e0 Ba (c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c c\u00f3 \u0111\u1ee7) h\u00e3y ph\u00e2n bi\u1ec7t ch\u00fang. C\u00e2u 3. (2,0 \u0111i\u1ec3m) 1) C\u00f3 b\u1ed1n b\u00ecnh \u0111\u1ef1ng b\u1ed1n ch\u1ea5t l\u1ecfng ri\u00eang bi\u1ec7t sau: C2H5OH, CH3COOH, CH2=CHCOOH; CH3COOC2H5. H\u00e3y ph\u00e2n bi\u1ec7t ch\u00fang b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ho\u00e1 h\u1ecdc. 2) Cho b\u1ed1n ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed : C2H2 , C2H2Br2 , C2H6O , C3H4O2 \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u ng\u1eabu nhi\u00ean l\u00e0 X, Y, Z, T. Bi\u1ebft r\u1eb1ng: - X v\u00e0 T t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na - Dung d\u1ecbch X ho\u00e0 tan \u0111\u01b0\u1ee3c CaCO3 - Y t\u00e1c d\u1ee5ng v\u1edbi AgNO3 trong dung d\u1ecbch NH3 thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng - B\u1ed1n ch\u1ea5t X, Y, Z, T \u0111\u1ec1u l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom H\u00e3y x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y, Z, T C\u00e2u 4 .(2,0 \u0111i\u1ec3m) 1) B\u1eb1ng c\u00e1c ki\u1ebfn th\u1ee9c ho\u00e1 h\u1ecdc h\u00e3y tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi sau: a) Trong n\u1ecdc ong c\u00f3 ch\u1ee9a HCOOH. H\u00e3y gi\u1ea3i th\u00edch t\u1ea1i sao b\u00f4i v\u00f4i v\u00e0o ch\u1ed7 ong \u0111\u1ed1t s\u1ebd c\u1ea3m th\u1ea5y \u0111\u1ee1 \u0111au? b) \u201cTr\u1ee9ng mu\u1ed1i\u201d l\u00e0 m\u00f3n \u0103n b\u1ed5 d\u01b0\u1ee1ng v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch. M\u00f3n \u0103n n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng ho\u00e1 h\u1ecdc n\u00e0o? c) V\u00ec sao trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m, mu\u1ed1i (NH4)2CO3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m b\u1ed9t n\u1edf? 2) Cho m gam h\u1ed7n h\u1ee3p kim lo\u1ea1i Ba, Na ( t\u1ec9 l\u1ec7 mol 1 : 1 ) v\u00e0o n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c 3,36 l\u00edt H2 (\u0111ktc) v\u00e0 dung d\u1ecbch X. Cho CO2 h\u1ea5p th\u1ee5 t\u1eeb t\u1eeb v\u00e0o dung d\u1ecbch X. V\u1ebd \u0111\u1ed3 th\u1ecb bi\u1ec3u di\u1ec5n s\u1ef1 ph\u1ee5 thu\u1ed9c c\u1ee7a s\u1ed1 mol k\u1ebft t\u1ee7a theo s\u1ed1 mol CO2 \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5. C\u00e2u 5. (1,0 \u0111i\u1ec3m) Cho x gam m\u1ed9t mu\u1ed1i halogen c\u1ee7a m\u1ed9t kim lo\u1ea1i ki\u1ec1m t\u00e1c d\u1ee5ng v\u1edbi 250ml dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng (v\u1eeba \u0111\u1ee7 ). Sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p s\u1ea3n ph\u1ea9m A trong \u0111\u00f3 c\u00f3 m\u1ed9t kh\u00ed B (m\u00f9i tr\u1ee9ng th\u1ed1i). Cho kh\u00ed B t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Pb(NO3)2 (d\u01b0) thu \u0111\u01b0\u1ee3c 47,8 gam k\u1ebft t\u1ee7a m\u00e0u \u0111en. Ph\u1ea7n s\u1ea3n ph\u1ea9m c\u00f2n l\u1ea1i, l\u00e0m kh\u00f4 thu \u0111\u01b0\u1ee3c 342,4 gam ch\u1ea5t r\u1eafn T. Nung T \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 139,2 gam mu\u1ed1i M duy nh\u1ea5t. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed mu\u1ed1i halogen. C\u00e2u 6. (1,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m hai ch\u1ea5t h\u1eefu c\u01a1 A (RCOOH) m\u1ea1ch ph\u00e2n nh\u00e1nh v\u00e0 B l\u00e0 R\u2019(OH)2 , trong \u0111\u00f3 R, R\u2019 l\u00e0 c\u00e1c g\u1ed1c hidrocacbon m\u1ea1ch h\u1edf. Chia 0,2 mol X th\u00e0nh hai ph\u1ea7n b\u1eb1ng nhau. \u0110em ph\u1ea7n I t\u00e1c GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 589","d\u1ee5ng h\u1ebft v\u1edbi Na, thu \u0111\u01b0\u1ee3c 0,08 mol kh\u00ed. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n ph\u1ea7n II, thu \u0111\u01b0\u1ee3c 0,28 mol CO2 v\u00e0 0,3 mol n\u01b0\u1edbc. 1) X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a A, B 2) N\u1ebfu \u0111un n\u00f3ng ph\u1ea7n 1 v\u1edbi dung d\u1ecbch H2SO4 \u0111\u1eb7c \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng este ho\u00e1 th\u00ec c\u00f3 m\u1ed9t n\u1eeda l\u01b0\u1ee3ng axit ph\u1ea3n \u1ee9ng v\u00e0 thu \u0111\u01b0\u1ee3c 2,29 gam h\u1ed7n h\u1ee3p hai este. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng v\u00e0 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i este. Cho nguy\u00ean t\u1eed kh\u1ed1i (theo \u0111vC) c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1: H = 1; C =12; N = 14; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; I= 127; Cl = 35,5; Fe = 56; Ag = 108; Pb = 207; Br = 80; Ba = 137. ---H\u1ebeT--- S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 THPT CHUY\u00caN H\u1ea2I D\u01af\u01a0NG N\u0102M H\u1eccC 2022 - 2023 M\u00f4n: H\u00f3a h\u1ecdc (Chuy\u00ean) \u0110\u1ec0 CH\u00cdNH TH\u1ee8C (\u0110\u1ec1 thi c\u00f3 02 trang) Th\u1eddi gian l\u00e0m b\u00e0i: 120 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1 (2.0 ) 1. (1,0 \u0111i\u1ec3m) N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc cho c\u00e1c th\u00ed nghi\u1ec7m sau: a. S\u1ee5c kh\u00ed CO2 t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch Ba(OH)2 b. Th\u1ea3 m\u1ea3nh Al v\u00e0o dung d\u1ecbch NaOH d\u01b0 \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n. c. D\u00e2n t\u1eed t\u1eed kh\u00ed SO2 v\u00e0o dung d\u1ecbch h\u1ed7n h\u1ee3p g\u1ed3m Br2, BaCl2 (t\u1ec9 l\u1ec7 mol 1:1) t\u1edbi d\u1ef1. d. Cho t\u1eeb t\u1eeb dung d\u1ecbch NaHSO4 v\u00e0o dung d\u1ecbch Ba(HCO3)2, cho t\u1edbi d\u1ef1. 2. (1,0 \u0111i\u1ec3m) T\u1ed5ng s\u1ed1 h\u1ea1t proton, neutron, electron trong hai nguy\u00ean t\u1eed c\u1ee7a hai nguy\u00ean t\u1ed1 X v\u00e0 Y l\u00e0 78, trong \u0111\u00f3 s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n nhi\u1ec1u h\u01a1n s\u1ed1 h\u1ea1t kh\u00f4ng mang \u0111i\u1ec7n l\u00e0 26. T\u1ec9 l\u1ec7 s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n trong X so v\u1edbi s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n trong Y l\u00e0 10:3. a. T\u00ecm t\u00ean 2 nguy\u00ean t\u1ed1 X v\u00e0 Y. b. M l\u00e0 h\u1ee3p ch\u1ea5t ch\u1ee9a 2 nguy\u00ean t\u1ed1 X v\u00e0 Z, khi ho\u00e0 tan trong n\u01b0\u1edbc cho dung d\u1ecbch c\u00f3 t\u00ednh ki\u1ec1m, R l\u00e0 h\u1ee3p ch\u1ea5t ch\u1ee9a hai nguy\u00ean t\u1ed1 Y v\u00e0 Z khi ho\u00e0 tan trong n\u01b0\u1edbc cho dung d\u1ecbch ch\u1ee9a ch\u1ea5t tan E c\u00f3 t\u00ednh axit y\u1ebfu. H\u1ee3p ch\u1ea5t G ch\u1ee9a \u0111\u1ed3ng th\u1eddi c\u1ea3 X, Y, Z, kh\u00f4ng tan trong n\u01b0\u1edbc nh\u01b0ng tan trong dung d\u1ecbch E. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t M, R, E, G. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng. C\u00e2u 2. (2,0 \u0111i\u1ec3m) 1. (1,0 \u0111i\u1ec3m) C\u00f3 6 dung d\u1ecbch: KOH, HCl, H2SO4, KCl, KHSO4, BaCl2 c\u00f3 c\u00f9ng n\u1ed3ng \u0111\u1ed9 mol. Ch\u1ec9 d\u00f9ng th\u00eam qu\u00ec t\u00edm tr\u00ecnh b\u00e0y c\u00e1ch ph\u00e2n bi\u1ec7t c\u00e1c dung d\u1ecbch tr\u00ean. Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra. 2. (0,75 \u0111i\u1ec3m): A, B, C, D, E l\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 m\u1ea1ch h\u1edf kh\u00e1c nhau (ch\u1ee9a C, H, O) v\u00e0 \u0111\u1ec1u c\u00f3 ph\u00e2n t\u1eed kh\u1ed1i b\u1eb1ng 60. Cho c\u00e1c ch\u1ea5t l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi Na, dung d\u1ecbch NaHCO3, dung d\u1ecbch NaOH k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m thu \u0111\u01b0\u1ee3c nh\u01b0 sau: (d\u1ea5u (+) l\u00e0 c\u00f3 ph\u1ea3n \u1ee9ng; d\u1ea5u (-) l\u00e0 kh\u00f4ng ph\u1ea3n \u1ee9ng) Bi\u1ebft r\u1eb1ng C l\u00e0 h\u1ee3p ch\u1ea5t \u0111\u01a1n ch\u1ee9c. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a c\u00e1c ch\u1ea5t A, B, C, D, E v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 3. (0,25 \u0111i\u1ec3m): X l\u00e0 ester c\u00f3 c\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 C2H3O2, \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb carboxylic acid v\u00e0 alcohol. T\u00ecm c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 vi\u1ebft c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a X. C\u00e2u 3. (2,0 \u0111i\u1ec3m) 1. (0,75 \u0111i\u1ec3m) T\u1eeb FeS2, O2, H2O v\u00e0 NaCl (ch\u1ea5t x\u00fac t\u00e1c v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u00ed nghi\u1ec7m c\u00f3 \u0111\u1ee7), vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf Fe2(SO4)3, FeSO4, Fe(OH)3 2. (0,75 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 28,11 gam g\u1ed3m hai mu\u1ed1i v\u00f4 c\u01a1 R2CO3, v\u00e0 RHCO3. Chia X th\u00e0nh 3 ph\u1ea7n b\u1eb1ng nhau: GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 590","- Ph\u1ea7n 1 h\u00f2a tan h\u1ebft trong n\u01b0\u1edbc r\u1ed3i cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Ba(OH)2 d\u01b0, thu \u0111\u01b0\u1ee3c 21,67 gam k\u1ebft t\u1ee7a. - Ph\u1ea7n 2 nhi\u1ec7t ph\u00e2n m\u1ed9t th\u1eddi gian, thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3m nhi\u1ec1u h\u01a1n 3,41 gam so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng \u0111em nhi\u1ec7t ph\u00e2n. - Ph\u1ea7n 3 ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c t\u1ed1i \u0111a v\u1edbi V ml dung d\u1ecbch KOH 1M. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a 2 mu\u1ed1i v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a V 3. (0,5 \u0111i\u1ec3m) Trong th\u1ef1c t\u1ebf ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u1ea5u r\u01b0\u1ee3u (ethyl alcohol) t\u1eeb g\u1ea1o. Tinh b\u1ed9t chuy\u1ec3n h\u00f3a th\u00e0nh ethyl alcohol qua 2 giai \u0111o\u1ea1n. Tinh b\u1ed9t \uf0ae glucose \uf0ae alcohol. T\u00ednh th\u1ec3 t\u00edch (s\u1ed1 l\u00edt) ethyl alcohol 460 thu \u0111\u01b0\u1ee3c t\u1eeb 10kg g\u1ea1o (ch\u1ee9a 81% tinh b\u1ed9t, c\u00f2n l\u1ea1i l\u00e0 ch\u1ea5t kh\u00f4ng tham gia chuy\u1ec3n h\u00f3a). Bi\u1ebft hi\u1ec7u su\u1ea5t m\u1ed7i giai \u0111o\u1ea1n l\u00e0 80%, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a C2H5OH l\u00e0 0,8g\/ml. C\u00e2u 4. (2,0 \u0111i\u1ec3m) 1. (1,5 \u0111i\u1ec3m) Cho 21,7 gam h\u1ed7n h\u1ee3p A g\u1ed3m Fe, Mg v\u00e0 Al v\u00e0o 500ml dung d\u1ecbch X ch\u1ee9a HCl 1M v\u00e0 H2SO4 2M (lo\u00e3ng). Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c kh\u00ed B v\u00e0 dung d\u1ecbch C. a. Ch\u1ee9ng t\u1ecf trong C c\u00f2n axit d\u01b0. b. D\u1eabn to\u00e0n b\u1ed9 kh\u00ed B \u0111i qua 100 gam CuO nung n\u00f3ng (ch\u1ec9 x\u1ea3y ra ph\u1ea3n \u1ee9ng kh\u1eed CuO th\u00e0nh Cu), l\u1ea5y ch\u1ea5t r\u1eafn thu \u0111\u01b0\u1ee3c cho t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch AgNO3 d\u01b0 thu \u0111\u01b0\u1ee3c 202 gam ch\u1ea5t r\u1eafn D. C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. T\u00ednh % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t c\u00f3 trong D. c. Th\u00eam dung d\u1ecbch ch\u1ee9a 2,6 mol NaOH v\u00e0o dung d\u1ecbch C, l\u1ecdc l\u1ea5y k\u1ebft t\u1ee7a \u0111em nung ngo\u00e0i kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 30,2 gam gam ch\u1ea5t r\u1eafn E. T\u00ecm kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i trong R. C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. 2. (0,5 \u0111i\u1ec3m) Cho m gam h\u1ed7n h\u1ee3p kim lo\u1ea1i Cu, Fe v\u00e0o 200ml dung d\u1ecbch ch\u1ee9a h\u1ed7n h\u1ee3p mu\u1ed1i Cu(NO3)2 0,5M, AgNO3 1M. Sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z v\u00e0 28 gam h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn T. Th\u00eam 19,5 gam Zn v\u00e0o Z, sau khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c 18,5 gam ch\u1ea5t r\u1eafn G v\u00e0 dung d\u1ecbch M. T\u00ednh m. C\u00e2u 5. (2,0 \u0111i\u1ec3m) 1. (1,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m H2 v\u00e0 hai hydrocarbon A, B \u0111\u01b0\u1ee3c ch\u1ee9a trong b\u00ecnh k\u00edn c\u00f3 s\u1eb5n ch\u1ea5t x\u00fac t\u00e1c th\u00edch h\u1ee3p. Nung n\u00f3ng b\u00ecnh m\u1ed9t th\u1eddi gian (ch\u1ec9 x\u1ea3y ra ph\u1ea3n \u1ee9ng c\u1ed9ng H2) thu \u0111\u01b0\u1ee3c 13,44 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed Y (\u1edf \u0111ktc). Chia h\u1ed7n h\u1ee3p kh\u00ed Y th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau: Ph\u1ea7n 1 \u0111\u01b0\u1ee3c d\u1eabn qua b\u00ecnh dung d\u1ecbch bromine th\u1ea5y kh\u00ed tho\u00e1t ra kh\u1ecfi b\u00ecnh ch\u1ec9 c\u00f3 A. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n A t\u1ea1o ra kh\u00ed CO2 v\u00e0 h\u01a1i H2O c\u00f3 t\u1ec9 l\u1ec7 th\u1ec3 t\u00edch t\u01b0\u01a1ng \u1ee9ng l\u00e0 4:5 (\u0111o \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n ph\u1ea7n 2 c\u1ea7n 1 mol O2 v\u00e0 thu \u0111\u01b0\u1ee3c 10,8 gam H2O. a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed, c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a A, B. b.T\u00ednh % th\u1ec3 t\u00edch c\u1ee7a m\u1ed7i ch\u1ea5t trong X. 2. (1,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p M g\u1ed3m carboxylic acid \u0111\u01a1n ch\u1ee9c X, r\u01b0\u1ee3u \u0111\u01a1n ch\u1ee9c Y v\u00e0 ester \u0111\u01a1n ch\u1ee9c Z (X, Y, Z \u0111\u1ec1u m\u1ea1ch h\u1edf v\u00e0 c\u00f3 s\u1ed1 nguy\u00ean t\u1eed carbon kh\u00e1c nhau). \u0110\u1ec3 ph\u1ea3n \u1ee9ng v\u1eeba \u0111\u1ee7 v\u1edbi m gam h\u1ed7n h\u1ee3p M c\u1ea7n d\u00f9ng 150ml dung d\u1ecbch NaOH 2M (\u0111un n\u00f3ng), c\u00f4 c\u1ea1n h\u1ed7n h\u1ee3p sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 28,8 gam m\u1ed9t mu\u1ed1i khan, v\u00e0 h\u1ed7n h\u1ee3p E ch\u1ee9a 2 r\u01b0\u1ee3u. \u0110un n\u00f3ng to\u00e0n b\u1ed9 E trong H2SO4 \u0111\u1eb7c \u1edf 170\u00b0C m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c 2 alkene k\u1ebf ti\u1ebfp, 2 r\u01b0\u1ee3u d\u01b0. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p g\u1ed3m 2 alkene v\u00e0 2 r\u01b0\u1ee3u d\u1ef1 c\u1ea7n d\u00f9ng 23,52 l\u00edt O2 (\u0111ktc). M\u1eb7t kh\u00e1c, n\u1ebfu cho to\u00e0n b\u1ed9 h\u1ed7n h\u1ee3p E v\u00e0o b\u00ecnh \u0111\u1ef1ng Na d\u01b0, sau khi ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh \u0111\u1ef1ng Na t\u0103ng 14,9 gam. a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u00e1c ch\u1ea5t trong M. b. T\u00ednh m v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i ch\u1ea5t trong M. --- H\u1ebeT --- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 591","S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O \u0110\u1ec0 THI TUY\u1ec2N SINH L\u1edaP 10 THPT CHUY\u00caN B\u1eaeC GIANG B\u1eaeC GIANG N\u0102M H\u1eccC 2022 - 2023 M\u00d4N THI: HO\u00c1 H\u1eccC Ng\u00e0y thi: 06\/6\/2022 Cho bi\u1ebft nguy\u00ean t\u1eed kh\u1ed1i c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1:H=1; C=12; N=14; O=16; S=32; Cl=35,5; Na=23; Al=27; Ca=40; Fe=56; Cu=64; Ba=137; Ag=108. C\u00e2u 1 (4,0 \u0111i\u1ec3m) 1. (1,0 \u0111i\u1ec3m)Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3) khi cho l\u1ea7n l\u01b0\u1ee3t: Na, NaOH, Na2CO3 v\u00e0o ch\u1ea5t l\u1ecfng nguy\u00ean ch\u1ea5t sau: a. R\u01b0\u1ee3u etylic. b. Axit axetic. 2. (1,0 \u0111i\u1ec3m) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc th\u1ef1c hi\u1ec7n d\u00e3y chuy\u1ec3n h\u00f3a sau, ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3): Tinh b\u1ed9t \uf0be(\uf0be1)\uf0ae Glucoz\u01a1 \uf0be(\uf0be2)\uf0ae R\u01b0\u1ee3u etylic \uf0be(\uf0be3)\uf0ae Axit axetic \uf0be(\uf0be4)\uf0ae Etyl axetat. 3. (2,0 \u0111i\u1ec3m)H\u00f2a tan ho\u00e0n to\u00e0n a mol Ba v\u00e0o dung d\u1ecbch ch\u1ee9a a mol HCl, thu \u0111\u01b0\u1ee3c dung d\u1ecbch X. Cho l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch X l\u1ea7n l\u01b0\u1ee3t v\u00e0o \u1ed1ng nghi\u1ec7m ri\u00eang bi\u1ec7t \u0111\u1ef1ng c\u00e1c ch\u1ea5t sau: dung d\u1ecbch Na2SO4, Al (r\u1eafn), dung d\u1ecbch (NH4)2CO3, dung d\u1ecbch AlCl3. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3) trong c\u00e1c \u1ed1ng nghi\u1ec7m tr\u00ean. C\u00e2u 2 (4,0 \u0111i\u1ec3m) 1. (1,0 \u0111i\u1ec3m) Nung 82,4 gam h\u1ed7n h\u1ee3p X g\u1ed3m Na2CO3 v\u00e0 NaHCO3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 70 gam ch\u1ea5t r\u1eafn. T\u00ednh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ch\u1ea5t trong h\u1ed7n h\u1ee3p X. 2. (1,0 \u0111i\u1ec3m) L\u1ea5y hai v\u00ed d\u1ee5 minh h\u1ecda \u0111i\u1ec1u ch\u1ebf ch\u1ea5t kh\u00ed Y t\u1eeb ch\u1ea5t r\u1eafn X theo m\u00f4 h\u00ecnh th\u00ed nghi\u1ec7m sau: Cho bi\u1ebft X, Y l\u00e0 ch\u1ea5t n\u00e0o? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng x\u1ea3y ra trong \u1ed1ng nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111un n\u00f3ng? 3. (2,0 \u0111i\u1ec3m) Cho m gam Al v\u00e0o 300 ml dung d\u1ecbch X g\u1ed3m Fe(NO3)3 2M v\u00e0 Cu(NO3)2 1M, sau khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n thu \u0111\u01b0\u1ee3c 36 gam kim lo\u1ea1i. M\u1eb7t kh\u00e1c, h\u00f2a tan h\u1ebft m gam Al \u1edf tr\u00ean b\u1eb1ng dung d\u1ecbch HNO3 lo\u00e3ng (v\u1eeba \u0111\u1ee7), thu \u0111\u01b0\u1ee3c 267,12 gam dung d\u1ecbch Y v\u00e0 kh\u00ed NO (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t). L\u00e0m l\u1ea1nh dung d\u1ecbch Y \u0111\u1ebfn 20oC th\u00ec c\u00f3 x gam tinh th\u1ec3 Al(NO3)3.9H2O t\u00e1ch ra kh\u1ecfi dung d\u1ecbch. Bi\u1ebft \u0111\u1ed9 tan c\u1ee7a Al(NO3)3 \u1edf 20oC l\u00e0 75,44 gam. X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb c\u1ee7a m v\u00e0 x. C\u00e2u 3 (4,0 \u0111i\u1ec3m) 1. (1,0 \u0111i\u1ec3m) Cho h\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m: O2, HCl, SO2. Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch ri\u00eang t\u1eebng kh\u00ed trong X m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. 2. Cho h\u1ed7n h\u1ee3p kh\u00ed X \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng g\u1ed3m ba hi\u0111rocacbon m\u1ea1ch h\u1edf, kh\u00f4ng c\u00f3 li\u00ean k\u1ebft ba v\u00e0 trong ph\u00e2n t\u1eed m\u1ed7i ch\u1ea5t c\u00f3 kh\u00f4ng qu\u00e1 m\u1ed9t li\u00ean k\u1ebft \u0111\u00f4i. Tr\u1ed9n m gam h\u1ed7n h\u1ee3p X v\u1edbi 4,032 l\u00edt kh\u00ed O2, thu \u0111\u01b0\u1ee3c 4,704 l\u00edt h\u1ed7n h\u1ee3p kh\u00ed Y (c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111\u1ec1u \u0111o \u1edf \u0111ktc). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p Y, h\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0o dung d\u1ecbch Ca(OH)2 0,02M, sau GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 592","ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 3,0 gam k\u1ebft t\u1ee7a v\u00e0 dung d\u1ecbch Z. Kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch Z so v\u1edbi dung d\u1ecbch Ca(OH)2 ban \u0111\u1ea7u gi\u1ea3m 0,282 gam. \u0110un n\u00f3ng dung d\u1ecbch Z, thu \u0111\u01b0\u1ee3c th\u00eam 0,3 gam k\u1ebft t\u1ee7a (Cho bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n). a. X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb c\u1ee7a m v\u00e0 th\u1ec3 t\u00edch dung d\u1ecbch Ca(OH)2 \u0111\u00e3 d\u00f9ng. b. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a ba hi\u0111rocacbon trong X. 3. (2,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p A g\u1ed3m r\u01b0\u1ee3u etylic v\u00e0 hai axit h\u1eefu c\u01a1 c\u00f3 d\u1ea1ng CnH2n+1COOH v\u00e0 Cn+1H2n+3COOH. Chia A th\u00e0nh hai ph\u1ea7n b\u1eb1ng nhau: - Ph\u1ea7n I t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na (d\u01b0), thu \u0111\u01b0\u1ee3c 3,92 lit kh\u00ed H2 (\u0111ktc). - Ph\u1ea7n II \u0111em \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n, d\u1eabn to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m l\u1ea7n l\u01b0\u1ee3t qua b\u00ecnh 1 \u0111\u1ef1ng dung d\u1ecbch H2SO4 \u0111\u1eb7c (d\u01b0), b\u00ecnh 2 \u0111\u1ef1ng dung d\u1ecbch Ba(OH)2 (d\u01b0). Sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n th\u00ec kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh 1 t\u0103ng th\u00eam 17,1 gam, b\u00ecnh 2 thu \u0111\u01b0\u1ee3c 147,75 gam k\u1ebft t\u1ee7a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a hai axit trong A. C\u00e2u 4 (4,0 \u0111i\u1ec3m) 1. (2,0 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p Y g\u1ed3m Na, Al, Fe. L\u1ea5y ba l\u01b0\u1ee3ng b\u1eb1ng nhau c\u1ee7a Y khi th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m: Th\u00ed nghi\u1ec7m 1: Cho Y t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc (d\u01b0), thu \u0111\u01b0\u1ee3c V l\u00edt kh\u00ed. Th\u00ed nghi\u1ec7m 2: Cho Y t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH (d\u01b0), thu \u0111\u01b0\u1ee3c 7V\/4 l\u00edt kh\u00ed. Th\u00ed nghi\u1ec7m 3: Cho Y t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HCl (d\u01b0) thu \u0111\u01b0\u1ee3c 9V\/4 l\u00edt kh\u00ed. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i ch\u1ea5t trong h\u1ed7n h\u1ee3p Y (Bi\u1ebft th\u1ec3 t\u00edch c\u00e1c kh\u00ed \u0111o \u1edf c\u00f9ng \u0111i\u1ec1u ki\u1ec7n, c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u1ec1u x\u1ea3y ra ho\u00e0n to\u00e0n). 2. (2,0 \u0111i\u1ec3m) Cho c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc sau: (X) \uf0bet\uf0beo , xt\uf0be(Y)\uf0be\uf0ae (A) + (B) (X) + HCl(\u0111\u1eb7c) \uf0be\uf0be\uf0ae (A) + (E) + H2O (X) + (D) \uf0bet\uf0beo\uf0ae (A) + (F) (X) + (Z) \uf0bet\uf0beo\uf0ae (A) + (G) Bi\u1ebft (B), (E), (F), (G) l\u00e0 c\u00e1c ch\u1ea5t kh\u00ed \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, t\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a (F) so v\u1edbi (G) b\u1eb1ng 0,6875; (X), (A), (Y), (D), (Z) l\u00e0 c\u00e1c ch\u1ea5t r\u1eafn; (D) v\u00e0 (Z) l\u00e0 c\u00e1c \u0111\u01a1n ch\u1ea5t. a) X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t (X), (Y), (A), (B), (E), (F), (D), (Z), (G). b) Ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc tr\u00ean. c) Tr\u00ecnh b\u00e0y ph\u01b0\u01a1ng ph\u00e1p nh\u1eadn bi\u1ebft c\u00e1c ch\u1ea5t kh\u00ed (B), (E), (F), (G) \u0111\u1ef1ng trong c\u00e1c l\u1ecd m\u1ea5t nh\u00e3n. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 5 (4 \u0111i\u1ec3m) 1. (1 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m: Cu, CuO, Fe v\u00e0 FexOy. H\u00f2a tan h\u1ebft m gam X trong dung d\u1ecbch ch\u1ee9a 0,72 mol HCl (d\u00f9ng d\u01b0 20% so v\u1edbi l\u01b0\u1ee3ng c\u1ea7n ph\u1ea3n \u1ee9ng), thu \u0111\u01b0\u1ee3c 0,06 mol kh\u00ed H2 v\u00e0 270,8 gam dung d\u1ecbch Y (c\u00f3 ch\u1ee9a mu\u1ed1i Fe(III)). M\u1eb7t kh\u00e1c, h\u00f2a tan h\u1ebft m gam X trong dung d\u1ecbch H2SO4 \u0111\u1eb7c (n\u00f3ng), thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z (ch\u1ee9a 3 ch\u1ea5t tan) v\u00e0 2,016 l\u00edt kh\u00ed SO2 (s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t c\u1ee7a H2SO4, \u1edf \u0111ktc). Cho Z t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Ba(OH)2 (d\u01b0), thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a T. Nung T trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 99,29 gam ch\u1ea5t r\u1eafn. X\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u1ee7a FeCl3 trong dung d\u1ecbch Y. 2. (1 \u0111i\u1ec3m) Ch\u1ecdn 5 ch\u1ea5t r\u1eafn kh\u00e1c nhau v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc c\u1ee7a ph\u1ea3n \u1ee9ng khi cho m\u1ed7i ch\u1ea5t \u0111\u00f3 t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch H2SO4 \u0111\u1eb7c, n\u00f3ng (v\u1eeba \u0111\u1ee7), thu \u0111\u01b0\u1ee3c kh\u00ed SO2 c\u00f3 t\u1ec9 l\u1ec7 mol x = nH2SO4 : nSO2 t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb: (a) x = 1. (b) x = 1\/2. (c) x = 10\/9. (d) x = 10. (e) x = 2. 3. (2 \u0111i\u1ec3m) H\u1ed7n h\u1ee3p X g\u1ed3m 3 este (\u0111\u1ec1u m\u1ea1ch h\u1edf, kh\u00f4ng ph\u00e2n nh\u00e1nh v\u00e0 kh\u00f4ng ch\u1ee9a nh\u00f3m ch\u1ee9c kh\u00e1c). Th\u1ee7y ph\u00e2n ho\u00e0n to\u00e0n 33,15 gam X c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 300 ml dung d\u1ecbch NaOH 1,5M, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y ch\u1ee9a 3 ancol (r\u01b0\u1ee3u) \u0111\u1ec1u no v\u00e0 h\u1ed7n h\u1ee3p mu\u1ed1i Z. L\u1ea5y to\u00e0n b\u1ed9 Z \u0111un n\u00f3ng GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 593","v\u1edbi h\u1ed7n h\u1ee3p v\u00f4i t\u00f4i x\u00fat, thu \u0111\u01b0\u1ee3c duy nh\u1ea5t m\u1ed9t hi\u0111rocacbon \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u00f3 th\u1ec3 t\u00edch l\u00e0 9,408 l\u00edt (\u0111ktc). M\u1eb7t kh\u00e1c, \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 33,15 gam X c\u1ea7n d\u00f9ng v\u1eeba \u0111\u1ee7 34,44 l\u00edt kh\u00ed O2 (\u0111ktc). Bi\u1ebft trong ph\u00e2n t\u1eed ancol m\u1ed7i nguy\u00ean t\u1eed cacbon no ch\u1ec9 li\u00ean k\u1ebft t\u1ed1i \u0111a v\u1edbi m\u1ed9t nh\u00f3m OH. a. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a c\u00e1c este trong X. b. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c este trong X. (Ph\u1ea3n \u1ee9ng v\u00f4i t\u00f4i x\u00fat: R(C OONa)a \uf02b aNaOH \uf0beC\uf0beaO,\uf0beto \uf0ae R(H)a \uf02b aNa2CO3 ) S\u1ede GI\u00c1O D\u1ee4C V\u00c0 \u0110\u00c0O T\u1ea0O K\u1ef2 THI TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 THPT CHUY\u00caN N\u0102M H\u1eccC 2022 - 2023 TH\u00c1I B\u00ccNH M\u00f4n: H\u00f3a h\u1ecdc \u0110\u1ec1 ch\u00ednh th\u1ee9c (\u0110\u1ec1 thi c\u00f3 02 trang) (D\u00e0nh cho th\u00ed sinh thi chuy\u00ean Ho\u00e1 h\u1ecdc) Th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat (kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1) C\u00e2u 1. (2,0 \u0111i\u1ec3m) 1.1. Cho c\u00e1c dung d\u1ecbch c\u1ee7a c\u00e1c ch\u1ea5t. Na2CO3, Ca(HCO3)2, NH4Cl v\u00e0 NaHSO4 l\u1ea7n l\u01b0\u1ee3t ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch Ba(OH)2 d\u01b0. H\u00e3y n\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. 1.2. Cho m gam h\u1ed7n h\u1ee3p A g\u1ed3m KHCO3 v\u00e0 CaCO3 \u0111i v\u00e0o dung d\u1ecbch HCl d\u01b0 th\u00ec thu \u0111\u01b0\u1ee3c 3,36 l\u00edt kh\u00ed (\u0111ktc. a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. b) H\u1ea5p th\u1ee5 h\u1ebft l\u01b0\u1ee3ng kh\u00ed CO2 thu \u0111\u01b0\u1ee3c \u1edf tr\u00ean v\u00e0o 100 ml dung d\u1ecbch X ch\u1ee9a NaOH x (mol\/l) v\u00e0 Na2CO3 1 (mol\/l) th\u00ec thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y. Cho CaCl2 d\u01b0 v\u00e0o dung d\u1ecbch Y thu \u0111\u01b0\u1ee3c 8 gam k\u1ebft t\u1ee7a. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a x. C\u00e2u 2. (2,0 \u0111i\u1ec3m) 2.1. Trong ph\u00f2ng th\u00ed nghi\u1ec7m, \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf kh\u00ed Cl2, ng\u01b0\u1eddi ta \u0111un n\u00f3ng nh\u1eb9 dung d\u1ecbch HCl \u0111\u1eadm \u0111\u1eb7c v\u1edbi ch\u1ea5t oxi ho\u00e1 m\u1ea1nh nh\u01b0 MnO2 ho\u1eb7c KMnO4. a) N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft 2 ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf kh\u00ed Cl2 trong ph\u00f2ng th\u00ed nghi\u1ec7m t\u1eeb c\u00e1c h\u00f3a ch\u1ea5t \u1edf tr\u00ean. b) Trong ph\u00f2ng th\u00ec nghi\u1ec7m, n\u00eau c\u00e1ch l\u00e0m kh\u00f4 kh\u00ed Cl2, c\u00e1ch thu kh\u00ed Cl2. N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng khi d\u1eabn kh\u00ed Cl2 v\u00e0o c\u1ed1c \u0111\u1ef1ng n\u01b0\u1edbc sau \u0111\u00f3 nh\u00fang m\u1ea9u gi\u1ea5y qu\u1ef3 t\u00edm v\u00e0o dung d\u1ecbch thu \u0111\u01b0\u1ee3c. c) Ch\u1ecdn ch\u1ea5t (KMnO4 hay MnO2) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c s\u1ed1 mol kh\u00ed Cl2, nhi\u1ec1u h\u01a1n trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau (c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n): - Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t KMnO4 v\u00e0 MnO2 b\u1eb1ng nhau, l\u01b0\u1ee3ng HCl \u0111\u1eb7c d\u01b0. - S\u1ed1 mol KMnO4 v\u00e0 MnO2 b\u1eb1ng nhau, l\u01b0\u1ee3ng HCl \u0111\u1eb7c d\u01b0. 2.2. H\u1ed7n h\u1ee3p X g\u1ed3m kim lo\u1ea1i R (kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng) v\u00e0 kim lo\u1ea1i ki\u1ec1m M. Ti\u1ebfn h\u00e0nh 3 th\u00ed nghi\u1ec7m sau: - Th\u00ed nghi\u1ec7m 1: Cho 4,65 gam h\u1ed7n h\u1ee3p X v\u00e0o dung d\u1ecbch CuSO4 d\u01b0 (gi\u1ea3 s\u1eed R ch\u1ec9 ph\u1ea3n \u1ee9ng v\u1edbi CuSO4), sau ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a Z, nung Z trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c m gam ch\u1ea5t r\u1eafn. - Th\u00ed nghi\u1ec7m 2: Cho 4,65 gam h\u1ed7n h\u1ee3p X v\u00e0o n\u01b0\u1edbc d\u01b0, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 2,24 l\u00edt kh\u00ed H2 (\u0111ktc) v\u00e0 dung d\u1ecbch A. - Th\u00ed nghi\u1ec7m 3: Th\u00eam 0,975 gam Kali v\u00e0o 4,65 gam h\u1ed7n h\u1ee3p X thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y trong \u0111\u00f3 Kali chi\u1ebfm 52% v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. Cho Y v\u00e0o dung d\u1ecbch KOH d\u01b0, sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 4,2 l\u00edt H2 (\u0111ktc). X\u00e1c \u0111\u1ecbnh 2 kim lo\u1ea1i M v\u00e0 R. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 594","C\u00e2u 3. (2,5 \u0111i\u1ec3m) 3.1. Trong nguy\u00ean t\u1eed, c\u00e1c electron \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh c\u00e1c l\u1edbp, x\u1ebfp \u0111\u1ea7y l\u1edbp b\u00ean trong r\u1ed3i x\u1ebfp ti\u1ebfp sang l\u1edbp ngo\u00e0i. L\u1edbp electron th\u1ee9 n c\u00f3 t\u1ed1i \u0111a 2n2 electron. Nguy\u00ean t\u1eed c\u1ee7a nguy\u00ean t\u1ed1 A c\u00f3 t\u1ed5ng s\u1ed1 h\u1ea1t mang \u0111i\u1ec7n 26. a) A c\u00f3 bao nhi\u00eau l\u1edbp electron? C\u00f3 bao nhi\u00eau electron l\u1edbp ngo\u00e0i c\u00f9ng ? b) A thu\u1ed9c chu k\u00ec m\u1ea5y, nh\u00f3m n\u00e0o trong b\u1ea3ng tu\u1ea7n ho\u00e0n? A l\u00e0 kim lo\u1ea1i hay phi khi? 3.2. Khi \u0111\u1ed1t than trong \u0111i\u1ec1u ki\u1ec7n thi\u1ebfu kh\u00f4ng kh\u00ed th\u01b0\u1eddng t\u1ea1o ra h\u1ed7n h\u1ee3p 2 kh\u00ed, trong \u0111\u00f3 c\u00f3 kh\u00ed X r\u1ea5t \u0111\u1ed9c. a) Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra? N\u00eau bi\u1ec7n ph\u00e1p h\u1ea1n ch\u1ebf ph\u00e1t sinh khi X khi \u0111\u1ed1t than? b) D\u1eabn kh\u00ed X qua \u1ed1ng \u0111\u1ef1ng b\u1ed9t oxit kim lo\u1ea1i Y \u0111\u1ed1t n\u00f3ng, kh\u00ed tho\u00e1t ra kh\u1ecfi \u1ed1ng l\u00e0m v\u1ea9n \u0111\u1ee5c n\u01b0\u1edbc v\u00f4i trong d\u01b0. Oxit Y c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng ch\u1ea5t n\u00e0o trong s\u1ed1 c\u00e1c ch\u1ea5t: MgO, Al2O3, Fe3O4, CuO. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng minh h\u1ecda? 3.3. Cho 12,5 gam h\u1ed7n h\u1ee3p A g\u1ed3m Mg, Fe v\u00e0 Cu ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi kh\u00ed Cl2 d\u01b0 \u0111\u1ed1t n\u00f3ng th\u00ec thu \u0111\u01b0\u1ee3c 29,54 gam h\u1ed7n h\u1ee3p B g\u1ed3m c\u00e1c mu\u1ed1i. H\u00f2a tan h\u1ebft B v\u00e0o n\u01b0\u1edbc thu \u0111\u01b0\u1ee3c dung d\u1ecbch C. Cho C t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch Ba(OH)2 d\u01b0 thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. Vi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m. C\u00e2u 4. (1,5 \u0111i\u1ec3m) 4.1. Cho 10 ml dung d\u1ecbch r\u01b0\u1ee3u etylic 46o t\u00e1c d\u1ee5ng h\u1ebft v\u1edbi Na d\u01b0 thu \u0111\u01b0\u1ee3c V l\u00edt kh\u00ed H2 (\u0111ktc). X\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb c\u1ee7a V. Bi\u1ebft kh\u1ed1i t\u01b0\u1ee3ng ri\u00eang c\u1ee7a C2H5OH v\u00e0 H2O l\u1ea7n l\u01b0\u1ee3t l\u00e0 0,8 g\/ml v\u00e0 1 g\/ml. 4.2. Ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc theo s\u01a1 \u0111\u1ed3 chuy\u1ec3n h\u00f3a sau: axetilen \uf0be(\uf0be1)\uf0ae etilen \uf0be(\uf0be2)\uf0be\uf0ae r\u01b0\u1ee3u etylic \uf0be(\uf0be3)\uf0be\uf0ae axit axetic \uf0be(\uf0be4)\uf0be\uf0ae C9H14O6 C\u00e2u 5. (2,0 \u0111i\u1ec3m) 5.1. H\u1ed7n h\u1ee3p A g\u1ed3m C3H8O3, C2H4O2, C3H6O3 v\u00e0 glucoz\u01a1. \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n m gam h\u1ed7n h\u1ee3p A c\u1ea7n v\u1eeba \u0111\u1ee7 V l\u00edt O2 (\u0111ktc), thu \u0111\u01b0\u1ee3c 44 gam CO2 v\u00e0 19,8 gam H2O. Vi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra, t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m v\u00e0 V. 5.2. H\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m 0,1 mol C2H2 v\u00e0 0,25 mol H2. Cho X v\u00e0o b\u00ecnh k\u00edn c\u00f3 dung t\u00edch 5 l\u00edt kh\u00f4ng \u0111\u1ed5i (ch\u1ee9a b\u1ed9t Ni), nung n\u00f3ng b\u00ecnh m\u1ed9t th\u1eddi gian \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Y. \u0110\u01b0a b\u00ecnh v\u1ec1 27,3oC, \u00e1p su\u1ea5t trong b\u00ecnh l\u00fac n\u00e0y l\u00e0 P (atm). a) \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Y. T\u00ednh t\u1ec9 l\u1ec7 mol CO2 v\u00e0 H2O thu \u0111\u01b0\u1ee3c. b) Bi\u1ebft t\u0103ng hi\u1ec7u su\u1ea5t chuy\u1ec3n h\u00f3a c\u1ee7a C2H2 th\u00e0nh C2H4 v\u00e0 C2H2 th\u00e0nh C2H6 \u0111\u1ec1u l\u00e0 h, t\u1ec9 kh\u1ed1i c\u1ee7a h\u1ed7n h\u1ee3p kh\u00ed X so v\u1edbi h\u1ed7n h\u1ee3p kh\u00ed Y l\u00e0 23 : 35. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a h v\u00e0 P? Cho: H = 1; C = 12; O = 16; Na = 23; Mg = 24; Al = 27; S = 32; Cl = 35,5; K = 39; Ca = 40; Fe = 56; Cu = 64; Zn = 65; Ba = 137. ---- H\u1ebeT --- S\u1ede GD&\u0110T V\u0128NH PH\u00daC K\u1ef2 THI TUY\u1ec2N SINH L\u1edaP 10 THPT CHUY\u00caN N\u0102M H\u1eccC 2022-2023 \u0110\u1ec0 CH\u00cdNH TH\u1ee8C \u0110\u1ec0 THI M\u00d4N: HO\u00c1 H\u1eccC (\u0110\u1ec1 thi g\u1ed3m c\u00f3 02 trang) th\u1eddi gian l\u00e0m b\u00e0i: 150 ph\u00fat, kh\u00f4ng k\u1ec3 th\u1eddi gian giao \u0111\u1ec1 C\u00e2u 1 (1,0 \u0111i\u1ec3m). Ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc (ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n) trong s\u01a1 \u0111\u1ed3 chuy\u1ec3n ho\u00e1 sau: (5) C2H4 \uf0be(\uf0be6)\uf0ae C2H4Br2 C2H5OH \uf0be(\uf0be1)\uf0ae CH3COOH \uf0be(\uf0be2)\uf0ae CH3COONa \uf0be(\uf0be3)\uf0ae CH4 \uf0be(\uf0be4)\uf0ae C2H2 C2H3Cl \uf0be(\uf0be8)\uf0ae PVC 595 (7) GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC","C\u00e2u 2 (1,0 \u0111i\u1ec3m). N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m sau: a. Nh\u1ecf t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch HCl v\u00e0o dung d\u1ecbch Na2CO3. b. Nh\u1ecf t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 dung d\u1ecbch NaOH v\u00e0o dung d\u1ecbch AlCl3. c. Cho m\u1ea9u Zn d\u01b0 v\u00e0o dung d\u1ecbch Fe2(SO4)3 d. s\u1ee5c t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 kh\u00ed CO2 v\u00e0o dung d\u1ecbch Ca(OH)2 C\u00e2u 3 (1,0 \u0111i\u1ec3m). H\u00ecnh v\u1ebd b\u00ean m\u00f4 t\u1ea3 c\u00e1ch \u0111i\u1ec1u ch\u1ebf v\u00e0 thu kh\u00ed SO2 trong ph\u00f2ng th\u00ed nghi\u1ec7m. a. X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ea5t A, B, C v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra gi\u1eefa A v\u00e0 B. b. Gi\u1ea3i th\u00edch c\u00e1ch thu kh\u00ed SO2. c. N\u00eau vai tr\u00f2 c\u1ee7a b\u00f4ng t\u1ea9m dung d\u1ecbch C. d. Cho 2 ho\u00e1 ch\u1ea5t l\u00e0 dung d\u1ecbch H2SO4 \u0111\u1eb7c v\u00e0 CaO r\u1eafn, ho\u00e1 ch\u1ea5t n\u00e0o \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 l\u00e0m kh\u00f4 kh\u00ed SO2? Gi\u1ea3i th\u00edch. C\u00e2u 4 (1,0 \u0111i\u1ec3m). 1. Cho dung d\u1ecbch CuSO4 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang D = 1,206 gam\/ml (dung d\u1ecbch X). C\u00f4 c\u1ea1n 414,59 ml X thu \u0111\u01b0\u1ee3c t\u1ed1i \u0111a 140,625 gam tinh th\u1ec3 CuSO4.5H2O. T\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a X. 2. Ho\u00e0 tan h\u1ed7n h\u1ee3p M g\u1ed3m 0,4 mol Cu v\u00e0 0,1 mol Fe3O4 trong 400 ml dung d\u1ecbch HCl 2M. Sau ph\u1ea3n \u1ee9ng, thu \u0111\u01b0\u1ee3c dung d\u1ecbch A v\u00e0 ch\u1ea5t r\u1eafn B. Cho A t\u00e1c d\u1ee5ng v\u1edbi l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch AgNO3 thu \u0111\u01b0\u1ee3c m gam k\u1ebft t\u1ee7a. T\u00ednh m. C\u00e2u 5 (1,0 \u0111i\u1ec3m). Cho 4 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 m\u1ea1ch h\u1edf X, Y, Z, T c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed l\u00e0: C2H2, C4H8, C2H4O2 nh\u01b0ng kh\u00f4ng theo th\u1ee9 t\u1ef1. X, Y, Z, T c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t sau: - X t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na v\u00e0 dung d\u1ecbch NaOH. - Y, T l\u00e0m m\u1ea5t m\u00e0u n\u01b0\u1edbc brom. - Z t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi Na nh\u01b0ng kh\u00f4ng t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch NaOH. - T t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch AgNO3 trong NH3 (Ag2O\/NH3) thu \u0111\u01b0\u1ee3c k\u1ebft t\u1ee7a m\u00e0u v\u00e0ng. Bi\u1ebft Y c\u00f3 c\u1ea5u t\u1ea1o \u0111\u1ed1i x\u1ee9ng. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o c\u1ee7a X, Y, Z, T v\u00e0 vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng x\u1ea3y ra. C\u00e2u 6 (1,0 \u0111i\u1ec3m). Ho\u00e0n th\u00e0nh c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng theo s\u01a1 \u0111\u1ed3 sau (m\u1ed7i ch\u1eef c\u00e1i trong ngo\u1eb7c l\u00e0 m\u1ed9t ch\u1ea5t): (A) \u27f6 (B) + (C) + (D) (C) + (E) \u27f6 (G) + (H) + (I) (A) + (E) \u27f6 (K) +(G) + (I) + (H) (K) + (H) \u27f6 (L) + (I) + (M) Bi\u1ebft: (D), (I), (M) l\u00e0 c\u00e1c \u0111\u01a1n ch\u1ea5t \u1edf tr\u1ea1ng th\u00e1i kh\u00ed trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng; kh\u00ed (I) c\u00f3 t\u1ec9 kh\u1ed1i so v\u1edbi kh\u00ed SO2 l\u00e0 1,1094; \u0111\u1ec3 trung ho\u00e0 dung d\u1ecbch ch\u1ee9a 2,24 gam (L) c\u1ea7n 200ml dung d\u1ecbch H2SO4 0,1M. C\u00e2u 7 (1,0 \u0111i\u1ec3m). H\u1ed7n h\u1ee3p X g\u1ed3m hidro, propen, propin. Nung X v\u1edbi x\u00fac t\u00e1c Ni \u0111\u1ebfn khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n , thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p kh\u00ed Y. Chia Y th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau: - \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n ph\u1ea7n 1 c\u1ea7n v\u1eeba \u0111\u1ee7 V l\u00edt kh\u00ed O2 (\u0111ktc). H\u1ea5p th\u1ee5 to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m ch\u00e1y b\u1eb1ng dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong d\u01b0, dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3m 16,2 gam so v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch n\u01b0\u1edbc v\u00f4i trong ban \u0111\u1ea7u. - D\u1eabn ph\u1ea7n 2 v\u00e0o dung d\u1ecbch Br2 th\u1ea5y c\u00f3 16 gam Br2 ph\u1ea3n \u1ee9ng. T\u00ednh V. C\u00e2u 8 (1,0 \u0111i\u1ec3m). H\u1ed7n h\u1ee3p X g\u1ed3m Al v\u00e0 m\u1ed9t oxit s\u1eaft. Nung m gam X trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 kh\u00f4ng kh\u00ed, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p ch\u1ea5t r\u1eafn Y. Chia Y th\u00e0nh hai ph\u1ea7n: GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 596","- Cho ph\u1ea7n 1 v\u00e0o l\u01b0\u1ee3ng d\u01b0 dung d\u1ecbch NaOH, thu \u0111\u01b0\u1ee3c 1,68 l\u00edt kh\u00ed v\u00e0 12,6 gam ch\u1ea5t r\u1eafn. - Cho ph\u1ea7n 2 v\u00e0o dung d\u1ecbch H2SO4 \u0111\u1eb7c (n\u00f3ng, d\u01b0) thu \u0111\u01b0\u1ee3c 27,72 l\u00edt kh\u00ed SO2 v\u00e0 dung d\u1ecbch Z c\u00f3 ch\u1ee9a 263,25 gam mu\u1ed1i sunfat. Bi\u1ebft c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, c\u00e1c th\u1ec3 t\u00edch kh\u00ed \u0111o \u1edf \u0111ktc. a. Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra. b. T\u00ednh m v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a oxit s\u1eaft. C\u00e2u 9 (1,0 \u0111i\u1ec3m). X l\u00e0 dung d\u1ecbch HCl, Y l\u00e0 dung d\u1ecbch NaOH. Cho 8,2 gam h\u1ed7n h\u1ee3p G g\u1ed3m Al, Fe v\u00e0o c\u1ed1c \u0111\u1ef1ng 420 ml X. Sau ph\u1ea3n \u1ee9ng, th\u00eam ti\u1ebfp 800 gam Y v\u00e0o c\u1ed1c. Khu\u1ea5y \u0111\u1ec1u cho ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, l\u1ecdc k\u1ebft t\u1ee7a \u0111em nung trong kh\u00f4ng kh\u00ed \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i, thu \u0111\u01b0\u1ee3c 6,55 gam ch\u1ea5t r\u1eafn A. Cho 120 ml X v\u00e0o c\u1ed1c ch\u1ee9a 200 gam Y thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z ch\u1ec9 ch\u1ee9a m\u1ed9t ch\u1ea5t tan. C\u00f4 c\u1ea1n Z thu \u0111\u01b0\u1ee3c 28,35 gam ch\u1ea5t r\u1eafn T, cho to\u00e0n b\u1ed9 T v\u00e0o dung d\u1ecbch AgNO3 thu \u0111\u01b0\u1ee3c 43,05 gam k\u1ebft t\u1ee7a. a. T\u00ednh n\u1ed3ng \u0111\u1ed9 mol c\u1ee7a X v\u00e0 n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m c\u1ee7a Y. b. X\u00e1c \u0111\u1ecbnh c\u00f4ng th\u1ee9c c\u1ee7a T. c. T\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i trong G. C\u00e2u 10 (1,0 \u0111i\u1ec3m). H\u1ed7n h\u1ee3p X g\u1ed3m hai este no, m\u1ea1ch h\u1edf. Cho X t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NaOH v\u1eeba \u0111\u1ee7, thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p Z g\u1ed3m 2 ancol (s\u1ed1 nguy\u00ean t\u1eed cacbon trong m\u1ed7i ph\u00e2n t\u1eed ancol kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 3) v\u00e0 12,3 gam mu\u1ed1i c\u1ee7a m\u1ed9t axit cacboxylic (mu\u1ed1i Y). \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Y thu \u0111\u01b0\u1ee3c 7,95 gam Na2CO3. M\u1eb7t kh\u00e1c, \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n Z thu \u0111\u01b0\u1ee3c 3,36 l\u00edt kh\u00ed CO2 (\u0111ktc) v\u00e0 4,32 gam H2O. T\u00ednh ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a este c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng mol ph\u00e2n t\u1eed l\u1edbn h\u01a1n trong X. ---H\u1ebft--- GI\u1edaI THI\u1ec6U \u0110\u1ec0 THI V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A H\u1eccC 597","M\u1ee4C L\u1ee4C TRANG 3 N\u1ed8I DUNG 9 PH\u1ea6N 1: C\u00c1C CHUY\u00caN \u0110\u1ec0 H\u00d3A V\u00d4 C\u01a0 15 CHUY\u00caN \u0110\u1ec0 1: NH\u1eacN BI\u1ebeT C\u00c1C CH\u1ea4T V\u00d4 C\u01a0 32 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP 41 B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP 43 D\u1ea1ng 1: KH\u00d4NG H\u1ea0N CH\u1ebe THU\u1ed0C TH\u1eec D\u1ea1ng 2: H\u1ea0N CH\u1ebe THU\u1ed0C TH\u1eec 49 D\u1ea1ng 3: KH\u00d4NG D\u00d9NG TH\u00caM THU\u1ed0C TH\u1eec 78 D\u1ea1ng 4: CH\u1ee8NG MINH C\u00c1C CH\u1ea4T C\u00d3 TRONG H\u1ed6N H\u1ee2P 80 CHUY\u00caN \u0110\u1ec0 2: \u0110I\u1ec0U CH\u1ebe CH\u1ea4T V\u00d4 C\u01a0 101 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP 102 CHUY\u00caN \u0110\u1ec0 3: T\u00c1CH CH\u1ea4T V\u00d4 C\u01a0 145 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP 203 B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP 222 231 CHUY\u00caN \u0110\u1ec0 4: VI\u1ebeT PH\u01af\u01a0NG TR\u00ccNH H\u00d3A H\u1eccC C\u1ee6A C\u00c1C PH\u1ea2N \u1ee8NG V\u00d4 C\u01a0 232 244 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP 250 D\u1ea1ng 1: VI\u1ebeT PH\u1ea2N \u1ee8NG THEO L\u1edcI M\u00d4 T\u1ea2 287 D\u1ea1ng 2: HO\u00c0N TH\u00c0NH PH\u1ea2N \u1ee8NG\u2013S\u01a0 \u0110\u1ed2 CHUY\u1ec2N H\u00d3A D\u1ea1ng 3: N\u00caU HI\u1ec6N T\u01a2\u1ee2NG V\u00c0 GI\u1ea2I TH\u00cdCH HI\u1ec6N T\u01a2\u1ee2NG 289 D\u1ea1ng 4: C\u00c2N B\u1eb0NG PH\u01a2\u01a0NG TR\u00ccNH H\u00d3A H\u1eccC 301 PH\u1ea6N 2: C\u00c1C CHUY\u00caN \u0110\u1ec0 H\u00d3A H\u1eeeU C\u01a0 302 314 CHUY\u00caN \u0110\u1ec0 5: VI\u1ebeT C\u00d4NG TH\u1ee8C C\u1ea4U T\u1ea0O CH\u1ea4T H\u1eeeU C\u01a0 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP 318 B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP 318 CHUY\u00caN \u0110\u1ec0 6: VI\u1ebeT PH\u1ea2N \u1ee8NG H\u1eeeU C\u01a0 598 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP B. GI\u1ea2I CHI TI\u1ebeT B\u00c0I T\u1eacP CHUY\u00caN \u0110\u1ec0 7: \u0110I\u1ec0U CH\u1ebe CH\u1ea4T H\u1eeeU C\u01a0 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP B. GI\u1ea2I CHI TI\u1ebeT B\u00c0I T\u1eacP CHUY\u00caN \u0110\u1ec0 8: NH\u1eacN BI\u1ebeT \u2013 T\u00c1CH CH\u1ea4T H\u1eeeU C\u01a0 A. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP B. GI\u1ea2I CHI TI\u1ebeT C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP CHUY\u00caN \u0110\u1ec0 9: B\u00c0I T\u1eacP T\u1ed4NG H\u1ee2P TH\u1ef0C TI\u1ec4N \u2013 TH\u1ef0C H\u00c0NH \u2013 TH\u00cd NGHI\u1ec6M I. PH\u01a2\u01a0NG PH\u00c1P GI\u1ea2I B\u00c0I T\u1eacP S\u1eec D\u1ee4NG H\u00ccNH V\u1ebc TN II. M\u1ed8T S\u1ed0 D\u1ea0NG B\u00c0I T\u1eacP D\u1ea1ng 1: N\u00eau hi\u1ec7n t\u01a3\u1ee3ng, gi\u1ea3i th\u00edch v\u00e0 vi\u1ebft ph\u01a3\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc CHINH PH\u1ee4C \u0110\u1ec8NH CAO H\u00d3A H\u1eccC 9","x\u1ea3y ra trong c\u00e1c th\u00ed nghi\u1ec7m \u0111\u01a3\u1ee3c m\u00f4 t\u1ea3 qua b\u00e0i t\u1eadp. D\u1ea1ng 2: D\u00f9ng h\u00ecnh v\u1ebd m\u00f4 t\u1ea3 th\u00ed nghi\u1ec7m, n\u00eau hi\u1ec7n t\u01a3\u1ee3ng, gi\u1ea3i 320 th\u00edch ho\u1eb7c vi\u1ebft c\u00e1c ph\u01a3\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc. D\u1ea1ng 3: M\u00f4 t\u1ea3 c\u00e1ch ti\u1ebfn h\u00e0nh v\u00e0 hi\u1ec7n t\u01a3\u1ee3ng thu nh\u1eadn \u0111\u01a3\u1ee3c. X\u00e1c 332 \u0111\u1ecbnh ch\u1ea5t \u0111\u1ea7u, s\u1ea3n ph\u1ea9m ho\u1eb7c vai tr\u00f2 c\u1ee7a d\u1ee5ng c\u1ee5 hay h\u00f3a ch\u1ea5t \u0111\u00e3 s\u1eed d\u1ee5ng D\u1ea1ng 4: D\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c ch\u1ea5t \u0111\u1ec3 ch\u1ecdn c\u00e1c ph\u01a3\u01a1ng \u00e1n 335 ph\u00f9 h\u1ee3p cho y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1 b\u00e0i. Nh\u01a3 s\u1eed d\u1ee5ng ch\u1ea5t h\u00fat \u1ea9m, \u2026 D\u1ea1ng 5: C\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n trong ph\u00f2ng th\u00ed nghi\u1ec7m 336 D\u1ea1ng 6: Nh\u1eadn bi\u1ebft ho\u1eb7c ph\u00e2n bi\u1ec7t c\u00e1c h\u00f3a ch\u1ea5t m\u1ea5t nh\u00e3n 336 III. B\u00c0I T\u1eacP TH\u1ef0C TI\u1ec4N 338 CHUY\u00caN \u0110\u1ec0 10: B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N L\u00dd THUY\u1ebeT 347 H\u00d3A V\u00d4 C\u01a0-H\u1eeeU C\u01a0 I. NH\u1eacN BI\u1ebeT CH\u1ea4T V\u00d4 C\u01a0 347 II. \u0110I\u1ec0U CH\u1ebe CH\u1ea4T V\u00d4 C\u01a0 351 III. T\u00c1CH CH\u1ea4T V\u00d4 C\u01a0 353 IV. PH\u01a2\u01a0NG TR\u00ccNH H\u00d3A H\u1eccC V\u00d4 C\u01a0 354 V. VI\u1ebeT C\u00d4NG TH\u1ee8C C\u1ea4U T\u1ea0O H\u1ee2P CH\u1ea4T H\u1eeeU C\u01a0 374 VI. VI\u1ebeT PH\u1ea2N \u1ee8NG H\u1eeeU C\u01a0 376 VII. \u0110I\u1ec0U CH\u1ebe CH\u1ea4T H\u1eeeU C\u01a0 379 VIII. NH\u1eacN BI\u1ebeT - T\u00c1CH CH\u1ea4T H\u1eeeU C\u01a0 380 IX. TH\u1ef0C H\u00c0NH TH\u00cd NGHI\u1ec6M 382 PH\u1ea6N 3: GI\u1ea2I TO\u00c1N H\u00d3A H\u1eccC 388 CHUY\u00caN \u0110\u1ec0 11: B\u00c0I TO\u00c1N C\u1ea4U T\u1ea0O NGUY\u00caN T\u1eec V\u00c0 T\u1ef0 CH\u1eccN L\u01af\u1ee2NG CH\u1ea4T CHUY\u00caN \u0110\u1ec0 12: BI\u1ec6N LU\u1eacN X\u00c1C \u0110\u1ecaNH 397 C\u00d4NG TH\u1ee8C H\u00d3A H\u1eccC CH\u1ea4T V\u00d4 C\u01a0 CHUY\u00caN \u0110\u1ec0 13: GI\u1ea2I TO\u00c1N V\u1ec0 HI\u0110ROCACBON 409 CHUY\u00caN \u0110\u1ec0 14: GI\u1ea2I NHANH B\u00c0I T\u1eacP H\u1eeeU C\u01a0 425 ESTE \u2013 CH\u1ea4T B\u00c9O \u2013 AXIT CACBOXYLIC \u2013 ANCOL B\u1eb0NG PH\u01af\u01a0NG PH\u00c1P QUY \u0110\u1ed4I PH\u1ea6N 4. GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 \u0110\u1ec0 THI 439 CH\u1eccN HSG C\u1ea4P TH\u00c0NH PH\u1ed0 - C\u1ea4P HUY\u1ec6N PH\u1ea6N 5. GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 \u0110\u1ec0 THI 489 CH\u1eccN H\u1eccC SINH GI\u1eceI C\u1ea4P T\u1ec8NH PH\u1ea6N 6. GI\u1edaI THI\u1ec6U M\u1ed8T S\u1ed0 \u0110\u1ec0 THI 576 TUY\u1ec2N SINH V\u00c0O L\u1edaP 10 CHUY\u00caN H\u00d3A Ch\u00fang t\u00f4i s\u1ebd l\u00e0m t\u1ea5t c\u1ea3 \u0111\u1ec3 th\u00e0nh c\u00f4ng. \u0110\u01a1n gi\u1ea3n b\u1edfi ch\u00fang t\u00f4i l\u00e0 nh\u1eefng ng\u01b0\u1eddi tr\u1ebb v\u00e0 ch\u00fang t\u00f4i kh\u00f4ng bao gi\u1edd bi\u1ebft t\u1eeb b\u1ecf. Jack Ma N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 bay, h\u00e3y ch\u1ea1y, n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ea1y, h\u00e3y \u0111i, n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 \u0111i, h\u00e3y b\u00f2, nh\u01b0ng l\u00e0m g\u00ec \u0111i n\u1eefa, b\u1ea1n c\u0169ng ph\u1ea3i ti\u1ebfp t\u1ee5c ti\u1ebfn v\u1ec1 ph\u00eda tr\u01b0\u1edbc! CHINH PH\u1ee4C \u0110\u1ec8NH CAO H\u00d3A H\u1eccC 9 599"]