Ôn tập chương 3 - vận dụng

Home Lớp 12 Hoá học Lớp 12 - Sách KNTT Bài 11: Ôn tập chương 3Bài tập nâng cao

{"common":{"save":0,"post_id":"10176","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9277","post_id":"10176","mon_id":"1160346","chapter_id":"1160215","question":"Khi cho anilin tác d\u1ee5ng v\u1edbi dung d\u1ecbch brom, hi\u1ec7n t\u01b0\u1ee3ng quan sát \u0111\u01b0\u1ee3c là:<\/p>","options":["A. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng, mùi h\u1eafc m\u1ea5t \u0111i. \n ","B. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a vàng. \n ","C. Dung d\u1ecbch chuy\u1ec3n màu tím.","D. Không có hi\u1ec7n t\u01b0\u1ee3ng."],"correct":"1","level":"3","hint":"G\u1ee3i ý:<\/strong> Hãy nh\u1edb ph\u1ea3n \u1ee9ng th\u1ebf brom vào nhân th\u01a1m c\u1ee7a anilin nhé.<\/p>","answer":"\u0110áp án \u0111úng:<\/strong> A. Xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng, mùi h\u1eafc m\u1ea5t \u0111i.<\/span><\/strong> Gi\u1ea3i thích:<\/strong> Anilin + Br\u2082 → 2,4,6-tribromanilin (k\u1ebft t\u1ee7a tr\u1eafng), m\u1ea5t mùi brom.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-11-14 22:10:17","option_type":"txt","len":3},{"id":"9278","post_id":"10176","mon_id":"1160346","chapter_id":"1160215","question":"Ch\u1ea5t nào sau \u0111ây v\u1eeba ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi HCl, v\u1eeba ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi NaOH?<\/p>","options":["A. Glycine. \n ","B. Methylamin. \n ","C. Alanin.","D. Anilin."],"correct":"1","level":"3","hint":"G\u1ee3i ý:<\/strong> Tìm ch\u1ea5t có c\u1ea3 nhóm –NH\u2082 và –COOH.<\/p>","answer":"\u0110áp án \u0111úng:<\/strong> A. Glycine.<\/span> Gi\u1ea3i thích:<\/strong> Glycine có nhóm –NH\u2082 (ph\u1ea3n \u1ee9ng v\u1edbi HCl) và –COOH (ph\u1ea3n \u1ee9ng v\u1edbi NaOH).<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-11-14 22:10:49","option_type":"txt","len":2},{"id":"9279","post_id":"10176","mon_id":"1160346","chapter_id":"1160215","question":"\u0110un nóng h\u1ed7n h\u1ee3p CH\u2083NH\u2082 và CH\u2083COOH, s\u1ea3n ph\u1ea9m chính thu \u0111\u01b0\u1ee3c là:<\/p>","options":["A. CH\u2083CONHCH\u2083. \n ","B. CH\u2083NH\u2083\u207aCH\u2083COO\u207b. \n ","C. CH\u2083COONa.","D. CH\u2083NH\u2082·HCl."],"correct":"1","level":"3","hint":"G\u1ee3i ý:<\/strong> Khi \u0111un nóng amin b\u1eadc 1 v\u1edbi acid → t\u1ea1o amide.<\/p>","answer":"\u0110áp án \u0111úng:<\/strong> A. CH\u2083CONHCH\u2083.<\/strong><\/span> Gi\u1ea3i thích:<\/strong> Ph\u1ea3n \u1ee9ng t\u1ea1o acetamide<\/strong>, \u0111\u1eb7c tr\u01b0ng c\u1ee7a amin b\u1eadc 1 và acid.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-11-14 22:11:20","option_type":"txt","len":2}]}