{"common":{"save":0,"post_id":"9647","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8293","post_id":"9647","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">Dùng n\u01b0\u1edbc brom làm thu\u1ed1c th\u1eed có th\u1ec3 phân bi\u1ec7t c\u1eb7p ch\u1ea5t nào d\u01b0\u1edbi \u0111ây?<\/p>","options":["A. Metan và etan.","B. Toluen và stiren.","C. Etilen và propilen. ","D. Etilen và stiren."],"correct":"2","level":"1","hint":"","answer":"<p>\u0110áp án:<strong> B. Toluen và stiren.<\/strong><\/p><ul> <li data-end=\"578\" data-start=\"500\"><p data-end=\"578\" data-start=\"502\">Toluen: vòng th\u01a1m + CH\u2083 → <strong data-end=\"578\" data-start=\"528\">không ph\u1ea3n \u1ee9ng v\u1edbi brom trong \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng<\/strong><\/p><\/li> <li data-end=\"692\" data-start=\"579\"><p data-end=\"692\" data-start=\"581\">Stiren: vòng th\u01a1m + nhóm vinyl (CH=CH\u2082) → <strong data-end=\"669\" data-start=\"623\">có liên k\u1ebft \u0111ôi → ph\u1ea3n \u1ee9ng làm m\u1ea5t màu Br\u2082<\/strong><br \/> → <strong data-end=\"692\" data-start=\"674\">Phân bi\u1ec7t \u0111\u01b0\u1ee3c<\/strong><\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:04:26","option_type":"txt","len":2},{"id":"8294","post_id":"9647","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">\u0110i\u1ec1u ch\u1ebf Cao su buna – S t\u1eeb ph\u1ea3n \u1ee9ng trùng h\u1ee3p gi\u1eefa c\u1eb7p ch\u1ea5t nào?<\/p>","options":["A. stiren và buta-1,3\u0111ien","B. benzene và stiren","C. Stiren và butan","D. buten và benzene"],"correct":"1","level":"1","hint":"","answer":"<p>\u0110áp án: <strong>A. stiren và buta-1,3\u0111ien<\/strong><\/p><ul data-end=\"223\" data-start=\"30\"> <li data-end=\"223\" data-start=\"30\"><p data-end=\"154\" data-start=\"32\"><strong data-end=\"42\" data-start=\"32\">Buna–S<\/strong> (vi\u1ebft t\u1eaft c\u1ee7a <strong data-end=\"70\" data-start=\"57\">Butadiene<\/strong> và <strong data-end=\"85\" data-start=\"74\">Styrene<\/strong>) là lo\u1ea1i cao su t\u1ed5ng h\u1ee3p thu \u0111\u01b0\u1ee3c t\u1eeb <strong data-end=\"145\" data-start=\"123\">ph\u1ea3n \u1ee9ng trùng h\u1ee3p<\/strong> h\u1ed7n h\u1ee3p:<\/p> <ul data-end=\"223\" data-start=\"157\"> <li data-end=\"185\" data-start=\"157\"><p data-end=\"185\" data-start=\"159\"><strong data-end=\"183\" data-start=\"159\">Stiren (C\u2086H\u2085–CH=CH\u2082)<\/strong><\/p><\/li> <li data-end=\"223\" data-start=\"188\"><p data-end=\"223\" data-start=\"190\"><strong data-end=\"223\" data-start=\"190\">Buta-1,3-\u0111ien (CH\u2082=CH–CH=CH\u2082)<\/strong><\/p><\/li> <\/ul> <\/li><\/ul>\\n<p data-end=\"288\" data-start=\"225\">→ \u0110ây là ph\u1ea3n \u1ee9ng <strong data-end=\"288\" data-start=\"243\">trùng h\u1ee3p \u0111\u1ed3ng phân t\u1eed (copolymerization)<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:05:02","option_type":"txt","len":2},{"id":"8295","post_id":"9647","mon_id":"1159892","chapter_id":"1160152","question":"<p data-pm-slice=\"0 0 []\">Ch\u1ea5t nào sau \u0111ây dùng \u0111\u1ec3 s\u1ea3n xu\u1ea5t thu\u1ed1c n\u1ed5 TNT?<\/p>","options":["A. Toluen","B. Stiren","C. Naphtalen ","D. Benzen"],"correct":"1","level":"1","hint":"","answer":"<p>\u0110áp án:<strong> A. Toluen<\/strong><\/p><ul> <li data-end=\"96\" data-start=\"25\"><p data-end=\"96\" data-start=\"27\"><strong data-end=\"34\" data-start=\"27\">TNT<\/strong> = <strong data-end=\"55\" data-start=\"37\">Trinitrotoluen<\/strong> (tên \u0111\u1ea7y \u0111\u1ee7: <strong data-end=\"93\" data-start=\"69\">2,4,6-trinitrotoluen<\/strong>)<\/p><\/li> <li data-end=\"188\" data-start=\"97\"><p data-end=\"188\" data-start=\"99\">\u0110\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng cách <strong data-end=\"142\" data-start=\"123\">nitr hóa toluen<\/strong> v\u1edbi h\u1ed7n h\u1ee3p axit nitric và axit sulfuric \u0111\u1eb7c.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-12 19:05:29","option_type":"txt","len":1}]}