Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n H\u00f3a<\/p>\n<\/div>\n
C\u00e2u 11<\/strong>: H\u1ed7n h\u1ee3p X g\u1ed3m Al, Fe v\u00e0 Mg. Cho 15,5gam h\u1ed7n h\u1ee3p X v\u00e0o dung d\u1ecbch HNO3 d\u01b0, sau \u0111\u00f3 ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c dung d\u1ecbch Y v\u00e0 8,96 l\u00edt NO l\u00e0 s\u1ea3n ph\u1ea9m kh\u1eed duy nh\u1ea5t (\u0111ktc).M\u1eb7t kh\u00e1c cho 0.05mol X v\u00e0o 500ml dung d\u1ecbch H2SO4 0,5M thu \u0111\u01b0\u1ee3c dung d\u1ecbch Z. Cho dung d\u1ecbch Z t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch NAOH d\u01b0 r\u1ed3i l\u1ea5y to\u00e0n b\u1ed9 k\u1ebft t\u1ee7a thu \u0111\u01b0\u1ee3c \u0111em nung n\u00f3ng trong kh\u00f4ng kh\u00ed \u0111\u1ebfn khi kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i thu \u0111\u01b0\u1ee3c 2gam ch\u1ea5t r\u1eafn. Th\u00e0nh ph\u1ea7n % kh\u1ed1i l\u01b0\u1ee3ng m\u1ed7i kim lo\u1ea1i trong X l\u1ea7n l\u01b0\u1ee3t l\u00e0<\/p>\n A. 17,42%, 46,45% v\u00e0 36,13%<\/p>\n B. 52,26% ; 36,13% v\u00e0 11,61%<\/p>\n C. 36,135; 11;61% v\u00e0 52,26%<\/p>\n D. 17,42%; 36,13% v\u00e0 46,45%<\/p>\n C\u00e2u 12<\/strong>: \u0111i\u1ec1u ch\u1ebf ancol etylic t\u1eeb 1 t\u1ea5n tinh b\u1ed9t ch\u01b0a 5% t\u1ea1p ch\u1ea5t tr\u01a1, hi\u1ec7u su\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh l\u00e0 85%. Kh\u1ed1i l\u01b0\u1ee3ng ancol thu \u0111\u01b0\u1ee3c l\u00e0<\/p>\n A. 485,85kg B. 398,80 kg C. 458,58kg D. 389,79kg<\/p>\n C\u00e2u 13<\/strong>: Th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m sau :<\/p>\n (1) Th\u1ea3 m\u1ed9t vi\u00ean Fe v\u00e0o dung d\u1ecbch HCL<\/p>\n (2) Th\u1ea3 m\u1ed9t vi\u00ean Fe v\u00e0o dung d\u1ecbch Cu(NO3)2<\/p>\n (3) Th\u1ea3 m\u1ed9t vi\u00ean Fe v\u00e0o dung d\u1ecbch FeCl3<\/p>\n (4) N\u1ed1i m\u1ed9t d\u00e2y Cu v\u1edbi m\u1ed9t d\u00e2y Fe r\u1ed3i \u0111\u1ec3 trong kh\u00f4ng kh\u00ed \u1ea9m<\/p>\n (5) \u0110\u1ed1t m\u1ed9t d\u00e2y Fe trong b\u00ecnh k\u00edn ch\u1ee9a \u0111\u1ea7y kh\u00ed O2<\/p>\n (6) Th\u1ea3 m\u1ed9t vi\u00ean Fe v\u00e0o dung d\u1ecbch ch\u1ee9a \u0111\u1ed3ng th\u1eddi CuSO4 v\u00e0 H2SO4 lo\u00e3ng.<\/p>\n Trong c\u00e1c th\u00ed nghi\u1ec7m tr\u00ean, th\u00ed nghi\u1ec7m m\u00e0 Fe kh\u00f4ng b\u1ecb \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a h\u1ecdc l\u00e0<\/p>\n A. (1),(3), (5) B.(1),(3), (4), (5) C.(2), (4), (6) D.(2), (3), (4), (6). <\/p>\n <\/p>\n M\u00e3 \u0111\u1ec1 214<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n 1<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 2<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 3<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 4<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 5<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 6<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 7<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 8<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 9<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 10<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 11<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 12<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 13<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 14<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 15<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 16<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 17<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 18<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 19<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 20<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 21<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 22<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 23<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 24<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 25<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 26<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 27<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 28<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 29<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 30<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 31<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 32<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 33<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 34<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 35<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 36<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 37<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 38<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 39<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 40<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 41<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 42<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 43<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 44<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 45<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 46<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 47<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 48<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 49<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 50<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n M\u00e3 \u0111\u1ec1 214<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n 1<\/span><\/p>\n<\/td>\n D<\/span><\/p>\n<\/td>\n<\/tr>\n 2<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 3<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 4<\/span><\/p>\n<\/td>\n C<\/span><\/p>\n<\/td>\n<\/tr>\n 5<\/span><\/p>\n<\/td>\n B<\/span><\/p>\n<\/td>\n<\/tr>\n 6<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n 7<\/span><\/p>\n<\/td>\n A<\/span><\/p>\n<\/td>\n<\/tr>\n\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia n\u0103m 2016 m\u00f4n H\u00f3a – S\u1edf GD V\u0129nh Ph\u00fac <\/strong><\/h3>\n
\n\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n