{"common":{"save":0,"post_id":"9696","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8494","post_id":"9696","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Trên ph\u1ed5 IR c\u1ee7a acetone có tín hi\u1ec7u \u0111\u1eb7c tr\u01b0ng cho nhóm car bonyl \u1edf vùng<\/p>","options":["A. 1 740 – 1 670 cm-1","B. 1 650 – 1 620 cm-1 ","C. 3 650 – 3 200 cm-1","D. 2 250 – 2 150 cm-1"],"correct":"1","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>A. 1 740 – 1 670 cm-1<\/strong><\/p><ul> <li data-end=\"131\" data-start=\"69\"><p data-end=\"131\" data-start=\"71\"><strong data-end=\"82\" data-start=\"71\">Acetone<\/strong> là m\u1ed9t <strong data-end=\"100\" data-start=\"90\">ketone<\/strong>, ch\u1ee9a nhóm <strong data-end=\"130\" data-start=\"112\">carbonyl (C=O)<\/strong>.<\/p><\/li> <li data-end=\"274\" data-start=\"132\"><p data-end=\"220\" data-start=\"134\">Trên ph\u1ed5 <strong data-end=\"162\" data-start=\"143\">IR (h\u1ed3ng ngo\u1ea1i)<\/strong>, nhóm <strong data-end=\"176\" data-start=\"169\">C=O<\/strong> cho tín hi\u1ec7u \u0111\u1eb7c tr\u01b0ng r\u1ea5t m\u1ea1nh trong vùng<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:36:21","option_type":"txt","len":2},{"id":"8495","post_id":"9696","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Trong các h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 có công th\u1ee9c phân t\u1eed sau \u0111ây, ch\u1ea5t nào không th\u1ec3 là aldehyde?<\/p>","options":["A. C3H6O.","B. C4H6O.","C. C4H8O.","D. C4H10O."],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>D. C4H10O.<\/strong><\/p><p data-end=\"99\" data-start=\"59\">\u0110\u1ec3 <strong data-end=\"86\" data-start=\"62\">m\u1ed9t ch\u1ea5t là aldehyde<\/strong>, nó ph\u1ea3i có:<\/p><ul data-end=\"211\" data-start=\"100\"> <li data-end=\"120\" data-start=\"100\"><p data-end=\"120\" data-start=\"102\"><strong data-end=\"120\" data-start=\"102\">Nhóm ch\u1ee9c –CHO<\/strong><\/p><\/li> <li data-end=\"211\" data-start=\"121\"><p data-end=\"211\" data-start=\"123\">Và công th\u1ee9c t\u1ed5ng quát phù h\u1ee3p v\u1edbi <strong data-end=\"192\" data-start=\"158\">aldehyde no, \u0111\u01a1n ch\u1ee9c, m\u1ea1ch h\u1edf<\/strong>: <strong data-end=\"211\" data-start=\"201\">CnH\u2082nO<\/strong><\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:37:02","option_type":"txt","len":0},{"id":"8496","post_id":"9696","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Công th\u1ee9c nào sau \u0111ây không th\u1ec3 là c\u1ee7a aldehyde?<\/p>","options":["A. C4H8O","B. C3H4O2","C. C2H6O2","D. CH2O"],"correct":"3","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>C. C2H6O2<\/strong><\/p><h4 data-end=\"118\" data-start=\"55\"><strong data-end=\"72\" data-start=\"60\">Aldehyde<\/strong> là h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ch\u1ee9a nhóm ch\u1ee9c <strong data-end=\"115\" data-start=\"107\">–CHO<\/strong>.<\/h4><p data-end=\"211\" data-start=\"119\">→ <strong data-end=\"188\" data-start=\"121\">Công th\u1ee9c phân t\u1eed t\u1ed5ng quát c\u1ee7a aldehyde no, m\u1ea1ch h\u1edf, \u0111\u01a1n ch\u1ee9c:<\/strong><br data-end=\"191\" data-start=\"188\" \/>  <strong data-end=\"211\" data-start=\"193\">C\u2099H\u2082\u2099O (n ≥ 1)<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:37:34","option_type":"txt","len":0}]}
