Amine - nâng cao

Home Lớp 12 Hoá học Lớp 12 - Sách KNTT Bài 8: AmineBài tập nâng cao

{"common":{"save":0,"post_id":"10104","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9077","post_id":"10104","mon_id":"1160346","chapter_id":"1160215","question":"Amine là h\u1ee3p ch\u1ea5t khi thay th\u1ebf m\u1ed9t hay nhi\u1ec1u nguyên t\u1eed hydrogen trong phân t\u1eed ammonia:<\/p>","options":["A. b\u1eb1ng m\u1ed9t hay nhi\u1ec1u g\u1ed1c alky1","B. b\u1eb1ng m\u1ed9t hay nhi\u1ec1u g\u1ed1c benzyl","C. b\u1eb1ng m\u1ed9t hay nhi\u1ec1u g\u1ed1c hydrocarbon","D. b\u1eb1ng m\u1ed9t hay nhi\u1ec1u nhóm –NH\u2082"],"correct":"3","level":"3","hint":"G\u1ee3i ý: \u0110\u1ecbnh ngh\u0129a chung: amine \u0111\u01b0\u1ee3c xem nh\u01b0 d\u1eabn xu\u1ea5t c\u1ee7a amoniac, khi thay th\u1ebf H b\u1eb1ng g\u1ed1c hydrocarbon.<\/p>","answer":"\u0110áp án \u0111úng: C. b\u1eb1ng m\u1ed9t hay nhi\u1ec1u g\u1ed1c hydrocarbon<\/strong><\/span><\/p>Gi\u1ea3i thích:<\/p><ul data-end=\"453\" data-start=\"178\"> <li data-end=\"271\" data-start=\"178\">C \u0111úng:<\/strong> Amine = NH\u2083 b\u1ecb thay th\u1ebf 1 ho\u1eb7c nhi\u1ec1u H b\u1edfi g\u1ed1c hydrocarbon (alkyl ho\u1eb7c aryl).<\/p><\/li> <li data-end=\"333\" data-start=\"272\">A sai: ch\u1ec9 nêu g\u1ed1c alkyl, ch\u01b0a bao quát h\u1ebft (thi\u1ebfu aryl).<\/p><\/li> <li data-end=\"369\" data-start=\"334\">B sai: ch\u1ec9 nói benzyl, quá h\u1eb9p.<\/p><\/li> <li data-end=\"453\" data-start=\"370\">D sai: thay H b\u1eb1ng –NH\u2082 thì thành hydrazin hay h\u1ee3p ch\u1ea5t khác, không ph\u1ea3i amine.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-10-01 16:14:29","option_type":"txt","len":2},{"id":"9078","post_id":"10104","mon_id":"1160346","chapter_id":"1160215","question":"Thành ph\u1ea7n ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng Nitrogen trong phân t\u1eeb aniline b\u1eb1ng<\/p>","options":["A. 18.67%.","B. 12,96%.","C. 15,05%.","D. 15,73%."],"correct":"3","level":"3","hint":"G\u1ee3i ý: Tính ph\u1ea7n tr\u0103m kh\u1ed1i l\u01b0\u1ee3ng N = 14 chia cho kh\u1ed1i l\u01b0\u1ee3ng mol c\u1ee7a anilin nhân 100 ph\u1ea7n tr\u0103m<\/p>","answer":"\u0110áp án \u0111úng: C. 15,05%<\/strong><\/span><\/p>Gi\u1ea3i thích:<\/p><ul data-end=\"231\" data-start=\"141\"> <li data-end=\"175\" data-start=\"141\">M c\u1ee7a anilin C\u2086H\u2085NH\u2082 = 93 gmol<\/p><\/li> <li data-end=\"199\" data-start=\"176\">Kh\u1ed1i l\u01b0\u1ee3ng N = 14 g<\/p><\/li> <li data-end=\"231\" data-start=\"200\">%N = 14 : 93 × 100 = 15,05%<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-10-01 16:15:25","option_type":"txt","len":0},{"id":"9079","post_id":"10104","mon_id":"1160346","chapter_id":"1160215","question":"Nh\u1eadn xét nào d\u01b0\u1edbi \u0111ây là SAI<\/strong>?<\/p>","options":["A. \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, methylamine là ch\u1ea5t khí d\u1ec5 tan trong n\u01b0\u1edbc","B. các amine khí có mùi t\u01b0\u01a1ng t\u1ef1 ammonia, \u0111\u1ed9c","C. aniline là ch\u1ea5t l\u1ecfng màu \u0111en, và tan t\u1ed1t trong n\u01b0\u1edbc","D. \u0111\u1ed9 tan trong n\u01b0\u1edbc c\u1ee7a amine gi\u1ea3m d\u1ea7n khi s\u1ed1 nguyên t\u1eed carbon trong phân t\u1eed t\u0103ng."],"correct":"3","level":"3","hint":"G\u1ee3i ý: Xem xét tính ch\u1ea5t v\u1eadt lí t\u1eebng ch\u1ea5t. L\u01b0u ý anilin th\u1ef1c t\u1ebf là ch\u1ea5t l\u1ecfng không màu (sau \u0111\u1ec3 lâu m\u1edbi s\u1eabm màu), ít tan trong n\u01b0\u1edbc.<\/p>","answer":"\u0110áp án c\u1ea7n ch\u1ecdn là: C. aniline là ch\u1ea5t l\u1ecfng màu \u0111en, và tan t\u1ed1t trong n\u01b0\u1edbc<\/strong><\/span><\/p>Gi\u1ea3i thích:<\/p><ul data-end=\"582\" data-start=\"224\"> <li data-end=\"311\" data-start=\"224\">A \u0111úng: Methylamin là ch\u1ea5t khí \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, tan t\u1ed1t trong n\u01b0\u1edbc, có mùi khai.<\/p><\/li> <li data-end=\"376\" data-start=\"312\">B \u0111úng: Các amin th\u1ec3 khí có mùi khai gi\u1ed1ng amoniac, \u0111\u1ec1u \u0111\u1ed9c.<\/p><\/li> <li data-end=\"515\" data-start=\"377\">C sai: <\/span>Anilin là ch\u1ea5t l\u1ecfng không màu, ít tan trong n\u01b0\u1edbc, \u0111\u1ec3 lâu trong không khí m\u1edbi chuy\u1ec3n s\u1eabm màu, ch\u1ee9 không ph\u1ea3i màu \u0111en và tan t\u1ed1t.<\/p><\/li> <li data-end=\"582\" data-start=\"516\">D \u0111úng: M\u1ea1ch C càng dài → tính k\u1ecb n\u01b0\u1edbc càng l\u1edbn → \u0111\u1ed9 tan gi\u1ea3m.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-10-01 16:16:00","option_type":"txt","len":3}]}