Alcohol - trung bình

Home Lớp 11 Hoá học Lớp 11 - Sách Kết nối tri thức Bài 20: AlcoholBài tập trung bình

{"common":{"save":0,"post_id":"9679","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8393","post_id":"9679","mon_id":"1159892","chapter_id":"1160172","question":"S\u1ed1 \u0111\u1ed3ng phân c\u1ea5u t\u1ea1o alcohol có công th\u1ee9c C4H9OH là:<\/p>","options":["A. 2","B. 3","C. 4","D. 5"],"correct":"3","level":"2","hint":"","answer":"\u0110áp án: C. 4<\/strong><\/p><ul> <li data-end=\"369\" data-start=\"331\">Butan-1-ol<\/strong>: CH\u2083–CH\u2082–CH\u2082–CH\u2082OH<\/p><\/li> <li data-end=\"407\" data-start=\"370\">Butan-2-ol<\/strong>: CH\u2083–CH\u2082–CHOH–CH\u2083<\/p><\/li> <li data-end=\"452\" data-start=\"408\">2-Methylpropan-1-ol<\/strong>: (CH\u2083)\u2082CH–CH\u2082OH<\/p><\/li> <li data-end=\"493\" data-start=\"453\">2-Methylpropan-2-ol<\/strong>: (CH\u2083)\u2083C–OH<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-18 10:33:12","option_type":"txt","len":0},{"id":"8394","post_id":"9679","mon_id":"1159892","chapter_id":"1160172","question":"Cho các h\u1ee3p ch\u1ea5t sau: CH3CH2OH (X); (CH3)3C-OH (Y); CH2=CH-C(CH3)2OH (Z); CH2=CH-CH(OH)-CH3 (T). Các alcohol b\u1eadc ba là:<\/p>","options":["A. X và T.","B. Y và Z.","C. Z và T.","D. Y và T."],"correct":"2","level":"2","hint":"","answer":"\u0110áp án: B. Y và Z.<\/strong><\/p>Alcohol b\u1eadc ba (3° alcohol)<\/strong> là alcohol mà nhóm –OH g\u1eafn v\u1edbi nguyên t\u1eed carbon b\u1eadc ba<\/strong>, t\u1ee9c là carbon \u0111ó liên k\u1ebft v\u1edbi 3 nguyên t\u1eed carbon khác<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-18 10:33:42","option_type":"txt","len":2},{"id":"8395","post_id":"9679","mon_id":"1159892","chapter_id":"1160172","question":"Cho các h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 sau: (1) C3H8; (2) CH3Cl; (3) C2H5OH; (4) CH3OH.<\/p>Th\u1ee9 t\u1ef1 gi\u1ea3m d\u1ea7n nhi\u1ec7t \u0111\u1ed9 sôi c\u1ee7a các ch\u1ea5t trên là<\/p>","options":["A.(1) > (2) > (3) > (4)","B. (1) > (4) > (2) > (3) ","C. (3) > (4) > (2) > (1)","D. (4) > (2) > (1) > (3)"],"correct":"3","level":"2","hint":"","answer":"\u0110áp án: C. (3) > (4) > (2) > (1)<\/strong><\/p>Nguyên t\u1eafc xác \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 sôi c\u1ee7a các ch\u1ea5t h\u1eefu c\u01a1:<\/strong><\/p><ul data-end=\"356\" data-start=\"133\"> <li data-end=\"198\" data-start=\"133\">Phân t\u1eed càng có liên k\u1ebft hydro<\/strong> → nhi\u1ec7t \u0111\u1ed9 sôi càng cao<\/strong>.<\/p><\/li> <li data-end=\"290\" data-start=\"199\">Cùng lo\u1ea1i liên k\u1ebft, phân t\u1eed có kh\u1ed1i l\u01b0\u1ee3ng phân t\u1eed l\u1edbn h\u01a1n<\/strong> → nhi\u1ec7t \u0111\u1ed9 sôi cao h\u01a1n<\/strong>.<\/p><\/li> <li data-end=\"356\" data-start=\"291\">Hydrocarbon không phân c\u1ef1c<\/strong> → có nhi\u1ec7t \u0111\u1ed9 sôi th\u1ea5p nh\u1ea5t<\/strong>.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-18 10:34:15","option_type":"txt","len":2}]}