Carboxylic acid

Home Lớp 11 Hoá học Lớp 11 - Sách Kết nối tri thức Bài 24: Carboxylic acidBài tập cơ bản

{"common":{"save":0,"post_id":"9783","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8514","post_id":"9783","mon_id":"1159892","chapter_id":"1160178","question":"Carboxylic acid là nh\u1eefng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 trong phân t\u1eed có<\/p>","options":["A. nhóm –OH liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nguyên t\u1eed carbon ho\u1eb7c nguyên t\u1eed hydrogen.","B. nhóm C=O liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nguyên t\u1eed carbon ho\u1eb7c nguyên t\u1eed hydrogen.","C. nhóm –COOH liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nguyên t\u1eed carbon ho\u1eb7c nguyên t\u1eed hydrogen. ","D. nhóm –CHO liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nguyên t\u1eed carbon ho\u1eb7c nguyên t\u1eed hydrogen."],"correct":"3","level":"1","hint":"","answer":"\u0110áp án: C. nhóm –COOH liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nguyên t\u1eed carbon ho\u1eb7c nguyên t\u1eed hydrogen.<\/strong><\/p>Axit cacboxylic (Carboxylic acids)<\/strong> là nh\u1eefng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 có ch\u1ee9a nhóm ch\u1ee9c –COOH (nhóm cacboxyl)<\/strong> trong phân t\u1eed. Nhóm –COOH g\u1ed3m:<\/p><ul data-end=\"317\" data-start=\"256\"> <li data-end=\"282\" data-start=\"256\">m\u1ed9t nhóm cacbonyl (C=O),<\/p><\/li> <li data-end=\"317\" data-start=\"283\">g\u1eafn v\u1edbi m\u1ed9t nhóm hydroxyl (–OH).<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 20:38:17","option_type":"txt","len":3},{"id":"8515","post_id":"9783","mon_id":"1159892","chapter_id":"1160178","question":"Công th\u1ee9c t\u1ed5ng quát c\u1ee7a carboxylic acid no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf là<\/p>","options":["A. CnH2nO2 (n ≥ 1).","B. CnH2n+2O2 (n ≥ 1). ","C. CnH2n-1COOH (n ≥ 1).","D. CnH2nO2 (n ≥ 2)."],"correct":"1","level":"1","hint":"","answer":"\u0110áp án: A. CnH2nO2 (n ≥ 1).<\/strong><\/p>Axit cacboxylic no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf<\/strong> có:<\/p><ul data-end=\"221\" data-start=\"110\"> <li data-end=\"146\" data-start=\"110\">No<\/strong> → không có n\u1ed1i \u0111ôi, n\u1ed1i ba.<\/p><\/li> <li data-end=\"190\" data-start=\"147\">\u0110\u01a1n ch\u1ee9c<\/strong> → ch\u1ec9 ch\u1ee9a 1 nhóm –COOH<\/strong>.<\/p><\/li> <li data-end=\"221\" data-start=\"191\">M\u1ea1ch h\u1edf<\/strong> → không có vòng.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 20:39:04","option_type":"txt","len":2},{"id":"8516","post_id":"9783","mon_id":"1159892","chapter_id":"1160178","question":"Propanoic acid có công th\u1ee9c c\u1ea5u t\u1ea1o là<\/p>","options":["A.CH3CH2OH","B. CH3COOH ","C. CH3CH2COOH","D. CH3CH2CH2COOH"],"correct":"3","level":"1","hint":"","answer":"\u0110áp án: C. CH3CH2COOH<\/strong><\/p>Propanoic acid<\/strong> là axit no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf<\/strong> có 3 nguyên t\u1eed carbon<\/strong>.<\/p><ul data-end=\"256\" data-start=\"138\"> <li data-end=\"256\" data-start=\"138\">Tên g\u1ecdi "propanoic" cho th\u1ea5y:<\/p> <ul data-end=\"256\" data-start=\"172\"> <li data-end=\"196\" data-start=\"172\">"prop"<\/strong> = 3 carbon.<\/p><\/li> <li data-end=\"256\" data-start=\"199\">"anoic acid"<\/strong> = axit no, \u0111\u01a1n ch\u1ee9c → ch\u1ee9a nhóm –COOH.<\/p><\/li> <\/ul> <\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 20:39:40","option_type":"txt","len":2}]}