Amine - dễ

Home Lớp 12 Hoá học Lớp 12 - Sách KNTT Bài 8: AmineBài tập cơ bản

{"common":{"save":0,"post_id":"10102","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9057","post_id":"10102","mon_id":"1160346","chapter_id":"1160215","question":"Trong các ch\u1ea5t sau, ch\u1ea5t nào không ph\u1ea3i là amine?<\/p>","options":["A. Ethylamine CH\u2083CH\u2082NH\u2082<\/strong>","B. Aniline C\u2086H\u2085NH\u2082<\/strong>","C. Acetamide CH\u2083CONH\u2082<\/strong>","D. Methylamine CH\u2083NH\u2082<\/strong>"],"correct":"3","level":"1","hint":"G\u1ee3i ý: Amine là d\u1eabn xu\u1ea5t h\u1eefu c\u01a1 c\u1ee7a NH\u2083 khi thay th\u1ebf H b\u1eb1ng g\u1ed1c hi\u0111rocacbon.<\/p>","answer":"\u0110áp án \u0111úng: C. Acetamide (CH\u2083CONH\u2082)<\/strong><\/span><\/p>Gi\u1ea3i thích:<\/p><ul data-end=\"365\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"138\"> <li data-end=\"188\" data-start=\"138\">A. Ethylamine (CH\u2083CH\u2082NH\u2082)<\/strong> → amine b\u1eadc m\u1ed9t.<\/p><\/li> <li data-end=\"230\" data-start=\"189\">B. Aniline (C\u2086H\u2085NH\u2082)<\/strong> → amin th\u01a1m.<\/p><\/li> <li data-end=\"316\" data-start=\"231\">C. Acetamide (CH\u2083CONH\u2082)<\/strong> → \u0111ây là amide<\/strong>, có nhóm –CONH\u2082, không ph\u1ea3i amine.<\/p><\/li> <li data-end=\"365\" data-is-last-node=\"\" data-start=\"317\">D. Methylamine (CH\u2083NH\u2082)<\/strong> → amine b\u1eadc m\u1ed9t.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-30 21:09:53","option_type":"txt","len":2},{"id":"9058","post_id":"10102","mon_id":"1160346","chapter_id":"1160215","question":"\u0110ê\u0309 r\u01b0\u0309a sa\u0323ch chai lo\u0323 \u0111\u01b0\u0323ng aniline, ne\u0302n du\u0300ng ca\u0301ch na\u0300o sau \u0111a\u0302y?<\/p>","options":["A. R\u01b0\u0309a b\u0103\u0300ng xa\u0300 pho\u0300ng.","B. R\u01b0\u0309a b\u0103\u0300ng nu\u031b\u01a1\u0301c.","C. R\u01b0\u0309a b\u0103\u0300ng dung di\u0323ch NaOH, sau \u0111o\u0301 r\u01b0\u0309a la\u0323i b\u0103\u0300ng nu\u031b\u01a1\u0301c.","D. R\u01b0\u0309a b\u0103\u0300ng dung di\u0323ch HCl, sau \u0111o\u0301 r\u01b0\u0309a la\u0323i b\u0103\u0300ng nu\u031b\u01a1\u0301c."],"correct":"4","level":"1","hint":"G\u1ee3i ý: Anilin là amin th\u01a1m, ít tan trong n\u01b0\u1edbc, có tính baz\u01a1 y\u1ebfu. Mu\u1ed1n r\u1eeda s\u1ea1ch ph\u1ea3i chuy\u1ec3n nó thành ch\u1ea5t d\u1ec5 tan.<\/p>","answer":"\u0110áp án \u0111úng: D. R\u1eeda b\u1eb1ng dung d\u1ecbch HCl, sau \u0111ó r\u1eeda l\u1ea1i b\u1eb1ng n\u01b0\u1edbc<\/strong><\/span><\/p>Gi\u1ea3i thích: Trong môi tr\u01b0\u1eddng axit (HCl), anilin (C\u2086H\u2085NH\u2082) s\u1ebd ph\u1ea3n \u1ee9ng t\u1ea1o mu\u1ed1i anilinium clorua (C\u2086H\u2085NH\u2083\u207aCl\u207b), tan t\u1ed1t trong n\u01b0\u1edbc → d\u1ec5 dàng lo\u1ea1i b\u1ecf hoàn toàn.<\/p>A sai: Xà phòng có tính baz\u01a1, không ph\u1ea3n \u1ee9ng hi\u1ec7u qu\u1ea3 v\u1edbi anilin, l\u1ea1i có th\u1ec3 t\u1ea1o nh\u0169 t\u01b0\u01a1ng khó r\u1eeda s\u1ea1ch. B sai: N\u01b0\u1edbc không \u0111\u1ee7 kh\u1ea3 n\u0103ng hòa tan anilin vì anilin r\u1ea5t ít tan trong n\u01b0\u1edbc. C sai: NaOH không nh\u1eefng không làm anilin tan h\u01a1n mà còn có th\u1ec3 khi\u1ebfn nó l\u1eabn t\u1ea1p ch\u1ea5t khó lo\u1ea1i b\u1ecf.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-30 21:11:23","option_type":"txt","len":3},{"id":"9059","post_id":"10102","mon_id":"1160346","chapter_id":"1160215","question":"Ch\u1ea5t nào sau \u0111ây thu\u1ed9c lo\u1ea1i amine b\u1eadc hai?<\/p>","options":["A. phenylamine","B. methylamine","C. trimethylamine","D. dimethylamine"],"correct":"4","level":"1","hint":"<article data-scroll-anchor=\"true\" data-testid=\"conversation-turn-4\" data-turn=\"assistant\" data-turn-id=\"8cccba27-4253-49f3-bbee-e2e45fe625bd\" dir=\"auto\" tabindex=\"-1\">G\u1ee3i ý: Amine b\u1eadc hai là amin mà nguyên t\u1eed N liên k\u1ebft v\u1edbi hai g\u1ed1c hi\u0111rocacbon<\/strong> và m\u1ed9t nguyên t\u1eed H.<\/p><\/article>","answer":"\u0110áp án \u0111úng: D. dimethylamine<\/strong><\/span><\/p>Gi\u1ea3i thích: Dimethylamine có công th\u1ee9c (CH\u2083)\u2082NH, trong \u0111ó N liên k\u1ebft v\u1edbi 2 g\u1ed1c CH\u2083 và 1 H → amine b\u1eadc hai.<\/p>A sai: Phenylamine (C\u2086H\u2085NH\u2082) có N liên k\u1ebft v\u1edbi 1 g\u1ed1c phenyl và 2 H → amine b\u1eadc m\u1ed9t. B sai: Methylamine (CH\u2083NH\u2082) có N liên k\u1ebft v\u1edbi 1 g\u1ed1c CH\u2083 và 2 H → amine b\u1eadc m\u1ed9t. C sai: Trimethylamine (N(CH\u2083)\u2083) có N liên k\u1ebft v\u1edbi 3 g\u1ed1c CH\u2083, không còn H → amine b\u1eadc ba.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-30 21:12:20","option_type":"txt","len":2}]}