Phản ứng oxi hoá - khử - Bài tập trung bình

Home Lớp 10 Hóa học 10 - Sách Kết nối tri thức Bài 15: Phản ứng oxi hoá - khửBài tập trung bình

{"common":{"save":0,"post_id":"6383","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6157","mon_id":"1158798","chapter_id":"1158856","post_id":"6383","question":" Trong ph\u1ea3n \u1ee9ng nào d\u01b0\u1edbi \u0111ây HCl th\u1ec3 hi\u1ec7n tính oxi hoá?<\/p>","options":["A. HCl+ AgNO$_3$<\/span>→ AgCl+ HNO$_3$<\/span> ","B. 2HCl + Mg→ MgCl$_2$<\/span>+ H$_2$<\/span>","C. 8HCl + Fe$_3$<\/span>O$_4$<\/span> →FeCl$_2$<\/span> +2 FeCl$_3$<\/span> +4H$_2$<\/span>O ","D. 4HCl + MnO$_2$<\/span>→ MnCl$_2$<\/span>+ Cl$_2$<\/span> + 2H$_2$<\/span>O"],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng là:  B<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-28 15:03:02","option_type":"math","len":0},{"id":"6158","mon_id":"1158798","chapter_id":"1158856","post_id":"6383","question":"S\u1ed1  oxi hóa c\u1ee7a S trong các phân t\u1eed  H$_2$<\/span>SO$_3$<\/span>, S, SO$_3$<\/span>, H$_2$<\/span>S l\u1ea7n l\u01b0\u1ee3t là<\/p>","options":["A. +6; +8; +6; -2 ","B. +4; 0; +6; -2 ","C. +4; -8; +6; -2 ","D. +4; 0; +4; -2"],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng là: B<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-28 15:04:54","option_type":"txt","len":2},{"id":"6159","mon_id":"1158798","chapter_id":"1158856","post_id":"6383","question":"Trong các ch\u1ea5t KClO$_3$<\/span> , KCl s\u1ed1 oxi hóa c\u1ee7a Cl l\u1ea7n l\u01b0\u1ee3t là <\/p>","options":["A. +1, -1","B. +5, -1","C. -5, -1","D. +1, +5"],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng là: B<\/strong><\/span>  <\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2022-11-28 15:05:36","option_type":"txt","len":0}]}