\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 11 m\u00f4n H\u00f3a h\u1ecdc n\u0103m 2014 Tr\u01b0\u1eddng THPT Nguy\u1ec5n Tr\u00e3i<\/strong><\/h3>\nI. PH\u1ea6N CHUNG CHO T\u1ea4T C\u1ea2 TH\u00cd SINH (6,0 \u0111i\u1ec3m)<\/strong><\/p>\nC\u00e2u I ( 2 \u0111i\u1ec3m)<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 1.<\/strong>\u00a0N\u00eau hi\u1ec7n t\u01b0\u1ee3ng v\u00e0 vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc d\u1ea1ng ph\u00e2n t\u1eed v\u00e0 ion thu g\u1ecdn khi cho dung d\u1ecbch Na3<\/sub>PO4<\/sub>\u00a0v\u00e0o dung d\u1ecbch AgNO3<\/sub>.<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 2.<\/strong>\u00a0Trong 2 l\u00edt dung d\u1ecbch A ch\u1ee9a 0,01 mol Cl; 0,004 mol NO; 0,003 mol SO\u00a0v\u00e0 x mol H+<\/sup>. (Cho H2<\/sub>SO4<\/sub>\u00a0ph\u00e2n li ho\u00e0n to\u00e0n \u1edf n\u1ea5c th\u1ee9 2). T\u00ednh\u00a0 x v\u00e0 pH c\u1ee7a dung d\u1ecbch A.<\/p>\nC\u00e2u II (2 \u0111i\u1ec3m)<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 1.<\/strong>\u00a0Th\u1ef1c hi\u1ec7n d\u00e3y chuy\u1ec3n ho\u00e1 sau, ghi r\u00f5 \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng n\u1ebfu c\u00f3, m\u1ed7i m\u0169i t\u00ean l\u00e0 m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 NH3<\/sub>\u00a0\u2192\u00a0NO \u2192\u00a0NO2<\/sub>\u00a0\u2192\u00a0HNO3<\/sub>\u00a0\u2192\u00a0NH4<\/sub>NO3<\/sub>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 2.<\/strong>\u00a0Cho h\u1ed7n h\u1ee3p g\u1ed3m 11,2 gam Fe v\u00e0 7,2 gam FeO t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch HNO3<\/sub>\u00a0\u0111\u1eb7c n\u00f3ng d\u01b0 thu \u0111\u01b0\u1ee3c V l\u00edt kh\u00ed NO2<\/sub>\u00a0(\u0111ktc, s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t). T\u00ednh V.<\/p>\nC\u00e2u III (2 \u0111i\u1ec3m)<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 1.<\/strong>\u00a0V\u00e0o m\u00f9a l\u1ea1nh ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng than \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m, tuy nhi\u00ean c\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p b\u1ecb ng\u1ed9 \u0111\u1ed9c d\u1eabn \u0111\u1ebfn t\u1eed vong. Ch\u1ea5t n\u00e0o g\u00e2y n\u00ean s\u1ef1 ng\u1ed9 \u0111\u1ed9c tr\u00ean? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc t\u1ea1o th\u00e0nh ch\u1ea5t \u0111\u00f3? N\u00eau bi\u1ec7n ph\u00e1p tr\u00e1nh b\u1ecb ng\u1ed9 \u0111\u1ed9c khi s\u1eed d\u1ee5ng than \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m?<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 2.<\/strong>\u00a0Cho 0,56 l\u00edt CO2<\/sub>\u00a0(\u0111ktc) h\u1ea5p th\u1ee5 ho\u00e0n to\u00e0n v\u00e0o 400 ml dung d\u1ecbch Ca(OH)2<\/sub>\u00a00,05M. T\u00ednh kh\u1ed1i l\u01b0\u1ee3ng k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c.<\/p>\nB. PH\u1ea6N RI\u00caNG (4 \u0111i\u1ec3m)<\/strong><\/p>\nTheo ch\u01b0\u01a1ng tr\u00ecnh chu\u1ea9n:<\/strong><\/p>\nC\u00e2u IV (4 \u0111i\u1ec3m)<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 1.<\/strong>\u00a0Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec7n li c\u1ee7a NH4<\/sub>Cl; CH3<\/sub>COOH.<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 2.\u00a0<\/strong>Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra khi cho\u00a0<\/strong>P l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi O2<\/sub>\u00a0d\u01b0, Ca (\u0111un n\u00f3ng). X\u00e1c \u0111\u1ecbnh vai tr\u00f2 c\u1ee7a P trong c\u00e1c ph\u1ea3n \u1ee9ng tr\u00ean?<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 3.\u00a0<\/strong>\u0110\u1ed1t ch\u00e1y to\u00e0n to\u00e0n 8,8 gam ch\u1ea5t h\u1eefu c\u01a1 Y ch\u1ec9 thu \u0111\u01b0\u1ee3c 8,96 l\u00edt CO2<\/sub>\u00a0\u1edf \u0111ktc v\u00e0 7,2 gam n\u01b0\u1edbc. T\u1ec9 kh\u1ed1i h\u01a1i c\u1ee7a Y so v\u1edbi H2<\/sub>\u00a0b\u1eb1ng 44. X\u00e1c \u0111\u1ecbnh CTPT c\u1ee7a Y.<\/p>\nTheo ch\u01b0\u01a1ng tr\u00ecnh n\u00e2ng cao:<\/strong><\/p>\nC\u00e2u V (4 \u0111i\u1ec3m)<\/strong><\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 1.<\/strong>\u00a0T\u00ednh pH c\u1ee7a dung d\u1ecbch NH3<\/sub>\u00a00,4M (Kb<\/sub>=1,8.10-5<\/sup>).<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0 2.<\/strong>\u00a0Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra khi cho<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a) P l\u1ea7n l\u01b0\u1ee3t t\u00e1c d\u1ee5ng v\u1edbi O2<\/sub>\u00a0(d\u01b0), Mg (\u0111un n\u00f3ng). X\u00e1c \u0111\u1ecbnh vai tr\u00f2 c\u1ee7a P trong c\u00e1c ph\u1ea3n \u1ee9ng tr\u00ean?<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b) Cho kh\u00ed NH3<\/sub>\u00a0d\u01b0 t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed Cl2<\/sub>.<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c) Dung d\u1ecbch NaOH t\u1eeb t\u1eeb \u0111\u1ebfn d\u01b0 v\u00e0o dung d\u1ecbch ZnCl2<\/sub>.<\/p>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.\u00a0<\/strong>\u0110un n\u00f3ng Cu(NO3<\/sub>)2<\/sub>\u00a0sau m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p r\u1eafn A ch\u1ee9a 81,2% CuO v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng. T\u00ednh hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng nhi\u1ec7t ph\u00e2n Cu(NO3<\/sub>)2<\/sub>.<\/p>\nCho H = 1, C = 12, N = 14, O = 16, P = 31, S = 32, Ca = 40, Fe = 56; Cu =64<\/strong><\/p>\nH\u1ecdc sinh\u00a0\u00a0kh\u00f4ng<\/strong>\u00a0\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng H\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n c\u00e1c nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc<\/em><\/p>\n\u2026..H\u1ebft\u2026..<\/strong><\/p>\n\u0110\u00e1p \u00e1n \u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 11 m\u00f4n H\u00f3a h\u1ecdc n\u0103m 2014 Tr\u01b0\u1eddng THPT Nguy\u1ec5n Tr\u00e3i<\/strong><\/h3>\n![\"De](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0915\/de-thi-hoc-ki-1-lop-11-mon-hoa-hoc-nam-2014-truong-thpt-nguyen-trai-1417601143-1.jpg\")
<\/strong><\/p>\n\n","protected":false},"excerpt":{"rendered":"
\u0110\u00e1p \u00e1n & \u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 11 m\u00f4n H\u00f3a h\u1ecdc n\u0103m 2014 Tr\u01b0\u1eddng THPT Nguy\u1ec5n Tr\u00e3i. C\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: \u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 11 m\u00f4n H\u00f3a h\u1ecdc n\u0103m 2014 Tr\u01b0\u1eddng THPT Nguy\u1ec5n Tr\u00e3i I. PH\u1ea6N CHUNG CHO T\u1ea4T C\u1ea2 TH\u00cd SINH (6,0 \u0111i\u1ec3m) C\u00e2u I ( 2 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[171],"tags":[],"yoast_head":"\n
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