{"common":{"save":0,"post_id":"9665","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8363","post_id":"9665","mon_id":"1159892","chapter_id":"1160172","question":"<p data-pm-slice=\"0 0 []\">Cho ph\u1ea3n \u1ee9ng gi\u1eefa but-1,3-diene và HBr \u1edf -800C (t\u1ec9 l\u1ec7 mol 1:1), s\u1ea3n ph\u1ea9m chính c\u1ee7a ph\u1ea3n \u1ee9ng là<\/p>","options":["A. CH3-CHBr-CH=CH2","B. CH3-CH=CH-CH2Br","C. CH2Br-CH2-CH=CH2 ","D. CH3-CH=CBr-CH3"],"correct":"1","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>A. CH3-CHBr-CH=CH2<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-15 20:56:32","option_type":"txt","len":2},{"id":"8364","post_id":"9665","mon_id":"1159892","chapter_id":"1160172","question":"<p data-pm-slice=\"0 0 []\">H\u1ee3p ch\u1ea5t nào d\u01b0\u1edbi \u0111ây \u0111\u01b0\u1ee3c dùng \u0111\u1ec3 t\u1ed5ng h\u1ee3p ra PVC:<\/p>","options":["A. CH2=CHCH2Cl","B. CH2=CHBr","C. C6H5Cl ","D. CH2=CHCl"],"correct":"4","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>D. CH2=CHCl<\/strong><\/p><ul> <li data-end=\"220\" data-start=\"119\"><p data-end=\"220\" data-start=\"121\"><strong data-end=\"149\" data-start=\"121\">PVC (polyvinyl chloride)<\/strong> \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u1ea3n \u1ee9ng <strong data-end=\"191\" data-start=\"178\">trùng h\u1ee3p<\/strong> h\u1ee3p ch\u1ea5t <strong data-end=\"219\" data-start=\"201\">vinyl chloride<\/strong>.<\/p><\/li> <li data-end=\"275\" data-start=\"221\"><p data-end=\"275\" data-start=\"223\">Công th\u1ee9c vinyl chloride: <strong data-end=\"261\" data-start=\"249\">CH\u2082=CHCl<\/strong> → (CH\u2082–CHCl)\u2099<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-15 20:58:14","option_type":"txt","len":1},{"id":"8365","post_id":"9665","mon_id":"1159892","chapter_id":"1160172","question":"<p data-pm-slice=\"0 0 []\">\u0110\u1ed3ng phân d\u1eabn xu\u1ea5t halogen c\u1ee7a hydrocarbon no g\u1ed3m<\/p>","options":["A. \u0110\u1ed3ng phân v\u1ecb trí nhóm ch\u1ee9c và \u0111\u1ed3ng phân hình h\u1ecdc.","B. \u0110\u1ed3ng phân m\u1ea1ch carbon và \u0111\u1ed3ng phân v\u1ecb trí nhóm ch\u1ee9c.","C. \u0110\u1ed3ng phân hình h\u1ecdc và \u0111\u1ed3ng phân c\u1ea5u t\u1ea1o. ","D. \u0110\u1ed3ng phân nhóm ch\u1ee9c và \u0111\u1ed3ng phân c\u1ea5u t\u1ea1o."],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án: <strong>B. \u0110\u1ed3ng phân m\u1ea1ch carbon và \u0111\u1ed3ng phân v\u1ecb trí nhóm ch\u1ee9c.<\/strong><\/p><p>D\u1eabn xu\u1ea5t halogen c\u1ee7a hydrocarbon no là các h\u1ee3p ch\u1ea5t thu \u0111\u01b0\u1ee3c khi thay th\u1ebf m\u1ed9t hay nhi\u1ec1u nguyên t\u1eed H trong hydrocarbon no (ankane) b\u1eb1ng nguyên t\u1eed halogen (F, Cl, Br, I).<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-15 20:59:41","option_type":"txt","len":3}]}
