B\u00e0i 1 (trang 22 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0Nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t h\u1eefu c\u01a1 ng\u00e0y nay d\u1ef1a ch\u1ee7 y\u1ebfu v\u00e0o :<\/strong><\/p>\n A. kh\u00ed thi\u00ean nhi\u00ean<\/p>\n B. than \u0111\u00e1 v\u00e0 \u0111\u00e1 v\u00f4i<\/p>\n C. th\u1ef1c v\u1eadt<\/p>\n D. d\u1ea7u m\u1ecf<\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n \u0110\u00e1p \u00e1n D<\/p>\n B\u00e0i 2 (trang 22 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0a. V\u00ec sao trong s\u01a1 \u0111\u1ed3 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa hidrocacbon v\u00e0 d\u1eabn xu\u1ea5t ch\u1ee9a oxi, ankan l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf trung t\u00e2m ?<\/strong><\/p>\n b. Xu\u1ea5t ph\u00e1t t\u1eeb \u00f4 trung t\u00e2m l\u1ea7n l\u01b0\u1ee3t \u0111i\u1ec1n v\u00e0o \u0111\u00f3 metan, etan v\u00e0 n-hexan r\u1ed3i vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng (n\u1ebfu c\u00f3) theo c\u00e1c m\u0169i t\u00ean \u0111\u00e3 ch\u1ec9 \u0111\u1ec3 \u0111i \u0111\u1ebfn c\u00e1c \u00f4 kh\u00e1c trong s\u01a1 \u0111\u1ed3( \u201cd\u1ea1o quanh s\u01a1 \u0111\u1ed3\u201d)<\/strong><\/p>\n c. H\u00e3y th\u1eed t\u00ecm m\u1ed9t hidrocacbon no \u0111\u1ec3 t\u1eeb \u0111\u00f3 \u0111i theo h\u1ebft m\u1ecdi m\u0169i t\u00ean \u0111\u1ebfn h\u1ebft m\u1ecdi \u00f4 c\u1ee7a s\u01a1 \u0111\u1ed3<\/strong><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n a. Ankan \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf trung t\u00e2m c\u1ee7a s\u01a1 \u0111\u1ed3 do ankan l\u00e0 nguy\u00ean li\u1ec7u ch\u00ednh \u0111\u1ec3 t\u1ed5ng h\u1ee3p ra c\u00e1c hidrocacbon kh\u00e1c v\u00e0 d\u1eabn xu\u1ea5t c\u00f3 oxi c\u1ee7a ch\u00fang<\/p>\n b. S\u01a1 \u0111\u1ed3 c\u1ee7a metan<\/p>\n S\u01a1 \u0111\u1ed3 v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a metan<\/p>\n <\/p>\n S\u01a1 \u0111\u1ed3 v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a etan<\/p>\n <\/p>\n B\u00e0i 3 (trang 22 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0H\u00e3y d\u00f9ng s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng ch\u1ee9ng t\u1ecf r\u1eb1ng t\u1eeb metan c\u00f3 th\u1ec3 t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c c\u00e1c ancol, andehit v\u00e0 axit c\u00f3 t\u1eeb 1 \u0111\u1ebfn 2 nguy\u00ean t\u1eed C trong ph\u00e2n t\u1eed<\/strong><\/p>\n L\u1eddi gi\u1ea3i:<\/b><\/p>\n T\u1eeb metan t\u1ed5ng h\u1ee3p c\u00e1c ancol, andehit v\u00e0 axit c\u00f3 t\u1eeb 1 \u0111\u1ebfn 2 nguy\u00ean t\u1eed C trong ph\u00e2n t\u1eed<\/p>\n <\/p>\n B\u00e0i 4 (trang 23 sgk H\u00f3a 12 n\u00e2ng cao):\u00a0H\u00e3y vi\u1ebft s\u01a1 \u0111\u1ed3 ph\u1ea3n \u1ee9ng t\u1eeb etilen v\u00e0 toluen \u0111i\u1ec1u ch\u1ebf ra c\u00e1c h\u1ee3p ch\u1ea5t sau<\/strong><\/p>\n