{"common":{"save":0,"post_id":"9697","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8504","post_id":"9697","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng kh\u1eed h\u1ee3p ch\u1ea5t (X) b\u1eb1ng hydrogen có xúc tác thích h\u1ee3p, thu \u0111\u01b0\u1ee3c 2-methylpropan-1-ol (isobutyl alcohol). Công th\u1ee9c c\u1ee7a (X) là<\/p>","options":["A. CH3-CH2-CHO.","B. CH2 = CH-CH2-CH2OH.","C. CH3- CH=C(CH3)-CHO.","D. CH2=C(CH3)-CHO."],"correct":"4","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>D. CH2=C(CH3)-CHO.<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:49:48","option_type":"txt","len":2},{"id":"8505","post_id":"9697","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Ch\u1ea5t nào sau \u0111ây không ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch AgNO3 trong NH3 t\u1ea1o thành k\u1ebft t\u1ee7a?<\/p>","options":["A. CH3-C≡CH.","B. OHC-CHO. ","C. CH3CHO.","D. CH3-C≡C-CH3."],"correct":"4","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>D. CH3-C≡C-CH3.<\/strong><\/p><p>Có liên k\u1ebft <strong data-end=\"757\" data-start=\"750\">C≡C<\/strong>, nh\u01b0ng <strong data-end=\"826\" data-start=\"765\">không có nguyên t\u1eed H liên k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi carbon n\u1ed1i ba<\/strong><br data-end=\"829\" data-start=\"826\" \/>→ <strong data-end=\"866\" data-start=\"831\">Không t\u1ea1o k\u1ebft t\u1ee7a v\u1edbi AgNO\u2083\/NH\u2083<\/strong><\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:50:38","option_type":"txt","len":2},{"id":"8506","post_id":"9697","mon_id":"1159892","chapter_id":"1160178","question":"<p data-pm-slice=\"0 0 []\">Cho 1 mL dung d\u1ecbch AgNO3 1% vào \u1ed1ng nghi\u1ec7m s\u1ea1ch, l\u1eafc nh\u1eb9, sau \u0111ó nh\u1ecf t\u1eeb t\u1eeb t\u1eebng gi\u1ecdt dung d\u1ecbch NH3 cho \u0111\u1ebfn khi k\u1ebft t\u1ee7a sinh ra b\u1ecb hòn tan h\u1ebft. Nh\u1ecf ti\u1ebfp 3-5 gi\u1ecdt dung d\u1ecbch (X), \u0111un nóng nh\u1eb9 h\u1ed7n h\u1ee3p \u1edf kho\u1ea3ng 60oC-70oC trong vài phút, trên thành \u1ed1ng nghi\u1ec7m xu\u1ea5t hi\u1ec7n l\u1edbp b\u1ea1c sáng nh\u01b0 g\u01b0\u01a1ng. Ch\u1ea5t (X) là ch\u1ea5t nào sau \u0111ây?<\/p>","options":["A. Butanone.","B. Ethanol.","C. Formaldehyde.","D. Glycerol."],"correct":"3","level":"3","hint":"","answer":"<p>\u0110áp án: <strong>C. Formaldehyde.<\/strong><\/p><p data-end=\"536\" data-start=\"441\"><strong data-end=\"471\" data-start=\"441\">A. Butanone (CH3COCH2CH3):<\/strong><br data-end=\"474\" data-start=\"471\" \/>→ Là xeton, không có nhóm –CHO ⇒ <strong data-end=\"535\" data-start=\"507\">không ph\u1ea3n \u1ee9ng tráng b\u1ea1c<\/strong>.<\/p><p data-end=\"635\" data-start=\"538\"><strong data-end=\"564\" data-start=\"538\">B. Ethanol (CH3CH2OH):<\/strong><br data-end=\"567\" data-start=\"564\" \/>→ Là ancol b\u1eadc 1, không có nhóm –CHO ⇒ <strong data-end=\"634\" data-start=\"606\">không ph\u1ea3n \u1ee9ng tráng b\u1ea1c<\/strong>.<\/p><p data-end=\"762\" data-start=\"637\"><strong data-end=\"664\" data-start=\"637\">C. Formaldehyde (HCHO):<\/strong><br data-end=\"667\" data-start=\"664\" \/>→ <strong data-end=\"694\" data-start=\"669\">Chính là m\u1ed9t aldehyde<\/strong> \u0111\u01a1n gi\u1ea3n nh\u1ea5t ⇒ <strong data-end=\"741\" data-start=\"711\">ph\u1ea3n \u1ee9ng tráng b\u1ea1c m\u1ea1nh m\u1ebd<\/strong>, t\u1ea1o l\u1edbp b\u1ea1c sáng.<\/p><p data-end=\"862\" data-start=\"764\"><strong data-end=\"792\" data-start=\"764\">D. Glycerol (C3H5(OH)3):<\/strong><br data-end=\"795\" data-start=\"792\" \/>→ Là polyancol (không có nhóm –CHO) ⇒ <strong data-end=\"861\" data-start=\"833\">không ph\u1ea3n \u1ee9ng tráng b\u1ea1c<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-07-29 23:51:11","option_type":"txt","len":2}]}