Saccharose và maltose

Home Lớp 12 Hoá học Lớp 12 - Sách KNTT Bài 5: Saccharose và maltoseBài tập cơ bản

{"common":{"save":0,"post_id":"10080","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8967","post_id":"10080","mon_id":"1160346","chapter_id":"1159849","question":"Saccharose là m\u1ed9t lo\u1ea1i disaccharide có nhi\u1ec1u trong cây mía, hoa th\u1ed1t n\u1ed1t, c\u1ee7 c\u1ea3i \u0111\u01b0\u1eddng. Công th\u1ee9c phân t\u1eed c\u1ee7a saccharose là<\/p>","options":["A. C\u2086H\u2081\u2082O\u2086","B. (C\u2086H\u2081\u2080O\u2085)\u2099","C. C\u2081\u2082H\u2082\u2082O\u2081\u2081","D. C\u2082H\u2084O\u2082"],"correct":"3","level":"1","hint":"G\u1ee3i ý: Saccharose (\u0111\u01b0\u1eddng mía) là \u0111\u01b0\u1eddng \u0111ôi g\u1ed3m 1 g\u1ed1c glucose và 1 g\u1ed1c fructose.<\/p>","answer":"\u0110áp án \u0111úng: C. C\u2081\u2082H\u2082\u2082O\u2081\u2081<\/span><\/strong> Gi\u1ea3i thích: Saccharose có công th\u1ee9c C\u2081\u2082H\u2082\u2082O\u2081\u2081, thu\u1ed9c lo\u1ea1i disaccharide. A sai: C\u2086H\u2081\u2082O\u2086 là công th\u1ee9c c\u1ee7a monosaccharide (glucose, fructose). B sai: (C\u2086H\u2081\u2080O\u2085)\u2099 là công th\u1ee9c c\u1ee7a polysaccharide (tinh b\u1ed9t, cellulose). D sai: C\u2082H\u2084O\u2082 là công th\u1ee9c c\u1ee7a axit axetic.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-19 21:27:29","option_type":"txt","len":1},{"id":"8968","post_id":"10080","mon_id":"1160346","chapter_id":"1159849","question":"S\u1ed1 nguyên t\u1eed oxygen trong phân t\u1eed saccharose là<\/p>","options":["A. 11","B. 6","C. 5","D. 12."],"correct":"1","level":"1","hint":"G\u1ee3i ý: Công th\u1ee9c phân t\u1eed c\u1ee7a saccharose là C\u2081\u2082H\u2082\u2082O\u2081\u2081.<\/p>","answer":"\u0110áp án \u0111úng: A. 11<\/span><\/strong> Gi\u1ea3i thích: Saccharose có 11 nguyên t\u1eed O trong m\u1ed7i phân t\u1eed (C\u2081\u2082H\u2082\u2082O\u2081\u2081). B sai: 6 O là c\u1ee7a monosaccharide (glucose, fructose). C sai: 5 O không \u0111úng v\u1edbi b\u1ea5t k\u1ef3 công th\u1ee9c carbohydrate thông d\u1ee5ng. D sai: 12 O không kh\u1edbp v\u1edbi công th\u1ee9c saccharose.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-19 21:37:13","option_type":"txt","len":0},{"id":"8969","post_id":"10080","mon_id":"1160346","chapter_id":"1159849","question":"Maltose là m\u1ed9t lo\u1ea1i disaccharide có nhi\u1ec1u trong m\u1ea1ch nha. Công th\u1ee9c phân t\u1eed c\u1ee7a maltose là<\/p>","options":["A. C6H12O6.","B. (C6H10O5)n","C. C12H22O11.","D. C2H4O2."],"correct":"3","level":"1","hint":"G\u1ee3i ý: Maltose là \u0111\u01b0\u1eddng \u0111ôi, \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi 2 g\u1ed1c α-glucose ng\u01b0ng t\u1ee5.<\/p>","answer":"\u0110áp án \u0111úng: C. C\u2081\u2082H\u2082\u2082O\u2081\u2081<\/span><\/strong> Gi\u1ea3i thích: Maltose có công th\u1ee9c phân t\u1eed C\u2081\u2082H\u2082\u2082O\u2081\u2081, cùng công th\u1ee9c v\u1edbi saccharose nh\u01b0ng khác c\u1ea5u t\u1ea1o. A sai: C\u2086H\u2081\u2082O\u2086 là monosaccharide (glucose, fructose). B sai: (C\u2086H\u2081\u2080O\u2085)\u2099 là công th\u1ee9c polysaccharide (tinh b\u1ed9t, cellulose). D sai: C\u2082H\u2084O\u2082 là công th\u1ee9c c\u1ee7a axit axetic.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-09-19 21:38:12","option_type":"txt","len":1}]}