{"common":{"save":0,"post_id":"9785","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8534","post_id":"9785","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Dung d\u1ecbch acetic acid không ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi<\/p>","options":["A. Mg","B. NaOH","C. NaHCO3 ","D. NaNO3"],"correct":"4","level":"3","hint":"","answer":"<p>\u0110áp án:<strong> D. NaNO3<\/strong><\/p><p>Mu\u1ed1i trung tính không ph\u1ea3n \u1ee9ng v\u1edbi acid<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 23:33:33","option_type":"txt","len":0},{"id":"8535","post_id":"9785","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Cho X là acid có c\u1ea5u t\u1ea1o: CH3-CH(C2H5)-CH(CH3)-COOH<\/p><p>Tên thay th\u1ebf c\u1ee7a X là<\/p>","options":["A. 3-ethyl-2-methylbutanoic acid","B. 2-methylbutanoic acid","C. 3,4-dimethylpentanoic acid ","D. 2,3-dimethylpentanoic acid"],"correct":"3","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>C. 3,4-dimethylpentanoic acid<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 23:34:09","option_type":"txt","len":2},{"id":"8536","post_id":"9785","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Cho Y là acid có c\u1ea5u t\u1ea1o: CH3-CH(CH3)-CH(CH2CH3)-COOH. Tên g\u1ecdi c\u1ee7a Y là<\/p>","options":["A. 2-ethyl-3-methylbutanoic acid","B. 2-isopropylbutanoic acid","C. 2-methylpentanoic acid ","D. 3-methylpentanoic acid"],"correct":"1","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>A. 2-ethyl-3-methylbutanoic acid<\/strong><\/p><p data-end=\"793\" data-start=\"751\">Xét m\u1ea1ch chính 4 carbon: <strong data-end=\"793\" data-start=\"776\">butanoic acid<\/strong><\/p><p data-end=\"810\" data-start=\"795\">C\u1ea5u trúc s\u1ebd là:<\/p><p data-end=\"843\" data-start=\"812\"><strong data-end=\"843\" data-start=\"812\">COOH–CH(CH\u2082CH\u2083)–CH(CH\u2083)–CH\u2083<\/strong><\/p><p data-end=\"883\" data-start=\"845\">→ M\u1ea1ch chính là <strong data-end=\"878\" data-start=\"861\">butanoic acid<\/strong>, có:<\/p><ul data-end=\"959\" data-start=\"884\"> <li data-end=\"922\" data-start=\"884\"><p data-end=\"922\" data-start=\"886\">Nhóm th\u1ebf <strong data-end=\"913\" data-start=\"895\">CH\u2082CH\u2083 (ethyl)<\/strong> \u1edf <strong data-end=\"922\" data-start=\"916\">C2<\/strong><\/p><\/li> <li data-end=\"959\" data-start=\"923\"><p data-end=\"959\" data-start=\"925\">Nhóm th\u1ebf <strong data-end=\"950\" data-start=\"934\">CH\u2083 (methyl)<\/strong> \u1edf <strong data-end=\"959\" data-start=\"953\">C3<\/strong><\/p><\/li><\/ul>\\n<p data-end=\"1007\" data-start=\"961\">→ Tên g\u1ecdi: <strong data-end=\"1005\" data-start=\"972\">2-ethyl-3-methylbutanoic acid<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-30 23:34:43","option_type":"txt","len":2}]}
