{"id":569730,"date":"2026-07-27T09:39:21","date_gmt":"2026-07-27T02:39:21","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=569730"},"modified":"2026-07-27T09:39:21","modified_gmt":"2026-07-27T02:39:21","slug":"benzen-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/benzen-la-gi\/","title":{"rendered":"Benzen l\u00e0 g\u00ec? C\u00f4ng th\u1ee9c C6H6, c\u1ea5u t\u1ea1o, t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"

Benzen l\u00e0 hi\u0111rocacbon th\u01a1m \u0111\u01a1n gi\u1ea3n nh\u1ea5t, c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C\u2086H\u2086, v\u1edbi c\u1ea5u t\u1ea1o l\u00e0 v\u00f2ng s\u00e1u nguy\u00ean t\u1eed cacbon ph\u1eb3ng, \u0111\u1ec1u \u0111\u1eb7n.<\/strong> Benzen l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, c\u00f3 m\u00f9i \u0111\u1eb7c tr\u01b0ng, kh\u00f4ng tan trong n\u01b0\u1edbc v\u00e0 l\u00e0 h\u00f3a ch\u1ea5t \u0111\u1ed9c c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ea9n th\u1eadn. \u0110\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c H\u00f3a h\u1ecdc l\u1edbp 11 r\u1ea5t quan tr\u1ecdng, m\u1edf \u0111\u1ea7u cho ph\u1ea7n hi\u0111rocacbon th\u01a1m. N\u1eafm v\u1eefng benzen gi\u00fap b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c nhi\u1ec1u h\u1ee3p ch\u1ea5t v\u00e0 v\u1eadt li\u1ec7u quen thu\u1ed9c trong \u0111\u1eddi s\u1ed1ng. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y benzen l\u00e0 g\u00ec, c\u1ea5u t\u1ea1o, t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u2013 h\u00f3a h\u1ecdc, \u1ee9ng d\u1ee5ng, l\u01b0u \u00fd an to\u00e0n c\u00f9ng b\u00e0i t\u1eadp c\u00f3 l\u1eddi gi\u1ea3i chi ti\u1ebft.<\/p>\n

Benzen l\u00e0 g\u00ec?<\/h2>\n

Benzen l\u00e0 h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 thu\u1ed9c nh\u00f3m hi\u0111rocacbon th\u01a1m (aren), c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C\u2086H\u2086 v\u00e0 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o thu g\u1ecdn th\u01b0\u1eddng vi\u1ebft d\u01b0\u1edbi d\u1ea1ng v\u00f2ng s\u00e1u c\u1ea1nh. \u0110\u00e2y l\u00e0 ch\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 ti\u00eau bi\u1ec3u nh\u1ea5t c\u1ee7a d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng aren (c\u00f4ng th\u1ee9c chung C\u2099H\u2082\u2099\u208b\u2086 v\u1edbi n \u2265 6). Benzen \u0111\u01b0\u1ee3c nh\u00e0 khoa h\u1ecdc Michael Faraday ph\u00e1t hi\u1ec7n n\u0103m 1825 v\u00e0 ng\u00e0y nay l\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng b\u1eadc nh\u1ea5t trong c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t. Tuy v\u1eady, benzen l\u00e0 h\u00f3a ch\u1ea5t \u0111\u1ed9c n\u00ean vi\u1ec7c s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng lu\u00f4n ph\u1ea3i tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh an to\u00e0n nghi\u00eam ng\u1eb7t.<\/p>\n

\"benzen-1\"<\/p>\n

C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed benzen<\/h2>\n

Ph\u00e2n t\u1eed benzen g\u1ed3m s\u00e1u nguy\u00ean t\u1eed cacbon li\u00ean k\u1ebft v\u1edbi nhau t\u1ea1o th\u00e0nh m\u1ed9t v\u00f2ng s\u00e1u c\u1ea1nh ph\u1eb3ng, \u0111\u1ec1u \u0111\u1eb7n; m\u1ed7i nguy\u00ean t\u1eed cacbon li\u00ean k\u1ebft v\u1edbi m\u1ed9t nguy\u00ean t\u1eed hi\u0111ro. Theo c\u00f4ng th\u1ee9c Kekul\u00e9, trong v\u00f2ng c\u00f3 ba li\u00ean k\u1ebft \u0111\u00f4i xen k\u1ebd ba li\u00ean k\u1ebft \u0111\u01a1n. Tuy nhi\u00ean, th\u1ef1c t\u1ebf c\u00e1c li\u00ean k\u1ebft cacbon \u2013 cacbon trong v\u00f2ng benzen l\u00e0 \u0111\u1ed3ng nh\u1ea5t, c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng nhau (n\u1eb1m gi\u1eefa li\u00ean k\u1ebft \u0111\u01a1n v\u00e0 li\u00ean k\u1ebft \u0111\u00f4i), t\u1ea1o n\u00ean h\u1ec7 electron \u03c0 gi\u1ea3i t\u1ecfa \u0111\u1ec1u tr\u00ean c\u1ea3 v\u00f2ng. Ch\u00ednh h\u1ec7 li\u00ean k\u1ebft b\u1ec1n v\u1eefng n\u00e0y l\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a “t\u00ednh th\u01a1m” \u2013 \u0111\u1eb7c \u0111i\u1ec3m chi ph\u1ed1i to\u00e0n b\u1ed9 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a benzen.<\/p>\n

T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a benzen<\/h2>\n

Benzen c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd \u0111\u1eb7c tr\u01b0ng sau \u0111\u00e2y:<\/p>\n

    \n
  • L\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng.<\/li>\n
  • C\u00f3 m\u00f9i \u0111\u1eb7c tr\u01b0ng (m\u00f9i th\u01a1m nh\u1eb9 nh\u01b0ng \u0111\u1ed9c).<\/li>\n
  • Nh\u1eb9 h\u01a1n n\u01b0\u1edbc v\u00e0 kh\u00f4ng tan trong n\u01b0\u1edbc.<\/li>\n
  • Tan t\u1ed1t trong nhi\u1ec1u dung m\u00f4i h\u1eefu c\u01a1, \u0111\u1ed3ng th\u1eddi l\u00e0 dung m\u00f4i h\u00f2a tan \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u1ea5t nh\u01b0 d\u1ea7u, m\u1ee1, cao su.<\/li>\n
  • L\u00e0 ch\u1ea5t \u0111\u1ed9c, c\u1ea7n tr\u00e1nh h\u00edt ph\u1ea3i h\u01a1i v\u00e0 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<\/li>\n<\/ul>\n

    B\u1ea3ng d\u01b0\u1edbi t\u00f3m t\u1eaft nhanh m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a benzen \u0111\u1ec3 b\u1ea1n d\u1ec5 tra c\u1ee9u:<\/p>\n\n\n\n\n\n\n\n\n\n\n
    \u0110\u1eb7c \u0111i\u1ec3m<\/th>\nGi\u00e1 tr\u1ecb \/ M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
    C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed<\/td>\nC\u2086H\u2086<\/td>\n<\/tr>\n
    Ph\u00e2n t\u1eed kh\u1ed1i<\/td>\n78 \u0111vC<\/td>\n<\/tr>\n
    Tr\u1ea1ng th\u00e1i<\/td>\nCh\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u<\/td>\n<\/tr>\n
    Nhi\u1ec7t \u0111\u1ed9 s\u00f4i<\/td>\nkho\u1ea3ng 80 \u00b0C<\/td>\n<\/tr>\n
    T\u00ednh tan trong n\u01b0\u1edbc<\/td>\nKh\u00f4ng tan, nh\u1eb9 h\u01a1n n\u01b0\u1edbc<\/td>\n<\/tr>\n
    \u0110\u1ed9c t\u00ednh<\/td>\n\u0110\u1ed9c, thu\u1ed9c nh\u00f3m ch\u1ea5t g\u00e2y ung th\u01b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \"benzen-2\"<\/p>\n

    T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a benzen<\/h2>\n

    Benzen th\u1ec3 hi\u1ec7n “t\u00ednh th\u01a1m”: d\u1ec5 tham gia ph\u1ea3n \u1ee9ng th\u1ebf, kh\u00f3 tham gia ph\u1ea3n \u1ee9ng c\u1ed9ng v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i b\u1ec1n v\u1eefng v\u1edbi ch\u1ea5t oxi h\u00f3a.<\/p>\n

      \n
    • Ph\u1ea3n \u1ee9ng th\u1ebf:<\/strong> \u0111\u00e2y l\u00e0 ph\u1ea3n \u1ee9ng \u0111\u1eb7c tr\u01b0ng nh\u1ea5t. V\u00ed d\u1ee5 benzen t\u00e1c d\u1ee5ng v\u1edbi brom (c\u00f3 b\u1ed9t s\u1eaft x\u00fac t\u00e1c) t\u1ea1o brombenzen: C\u2086H\u2086 + Br\u2082 \u2192 C\u2086H\u2085Br + HBr. V\u1edbi axit nitric \u0111\u1eb7c (x\u00fac t\u00e1c H\u2082SO\u2084 \u0111\u1eb7c) t\u1ea1o nitrobenzen: C\u2086H\u2086 + HNO\u2083 \u2192 C\u2086H\u2085NO\u2082 + H\u2082O.<\/li>\n
    • Ph\u1ea3n \u1ee9ng c\u1ed9ng:<\/strong> x\u1ea3y ra kh\u00f3 kh\u0103n h\u01a1n, ch\u1ec9 trong \u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t. C\u1ed9ng hi\u0111ro (x\u00fac t\u00e1c niken, nhi\u1ec7t \u0111\u1ed9 cao) t\u1ea1o xiclohexan: C\u2086H\u2086 + 3H\u2082 \u2192 C\u2086H\u2081\u2082. C\u1ed9ng clo khi chi\u1ebfu s\u00e1ng t\u1ea1o hexacloran: C\u2086H\u2086 + 3Cl\u2082 \u2192 C\u2086H\u2086Cl\u2086.<\/li>\n
    • Ph\u1ea3n \u1ee9ng ch\u00e1y:<\/strong> benzen ch\u00e1y trong kh\u00f4ng kh\u00ed cho ng\u1ecdn l\u1eeda c\u00f3 nhi\u1ec1u mu\u1ed9i than do h\u00e0m l\u01b0\u1ee3ng cacbon cao: 2C\u2086H\u2086 + 15O\u2082 \u2192 12CO\u2082 + 6H\u2082O.<\/li>\n<\/ul>\n

      \u0110i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ea7n nh\u1edb: benzen “d\u1ec5 th\u1ebf, kh\u00f3 c\u1ed9ng, b\u1ec1n v\u1edbi oxi h\u00f3a” \u2013 \u0111\u00e2y ch\u00ednh l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a t\u00ednh th\u01a1m v\u00e0 th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 thi.<\/p>\n

      Ph\u00e2n bi\u1ec7t benzen v\u1edbi \u0111\u1ed3ng \u0111\u1eb3ng v\u00e0 ankan<\/h2>\n

      Nhi\u1ec1u b\u1ea1n nh\u1ea7m l\u1eabn benzen v\u1edbi c\u00e1c hi\u0111rocacbon kh\u00e1c. B\u1ea3ng so s\u00e1nh sau gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t nhanh:<\/p>\n\n\n\n\n\n\n\n\n
      Ti\u00eau ch\u00ed<\/th>\nBenzen (C\u2086H\u2086)<\/th>\nToluen (C\u2086H\u2085CH\u2083)<\/th>\nHexan (C\u2086H\u2081\u2084)<\/th>\n<\/tr>\n<\/thead>\n
      Lo\u1ea1i h\u1ee3p ch\u1ea5t<\/td>\nAren (hi\u0111rocacbon th\u01a1m)<\/td>\nAren (\u0111\u1ed3ng \u0111\u1eb3ng benzen)<\/td>\nAnkan (no)<\/td>\n<\/tr>\n
      C\u1ea5u t\u1ea1o<\/td>\nV\u00f2ng 6 c\u1ea1nh<\/td>\nV\u00f2ng benzen + nh\u00f3m \u2013CH\u2083<\/td>\nM\u1ea1ch h\u1edf, no<\/td>\n<\/tr>\n
      Ph\u1ea3n \u1ee9ng \u0111\u1eb7c tr\u01b0ng<\/td>\nTh\u1ebf<\/td>\nTh\u1ebf (d\u1ec5 h\u01a1n benzen)<\/td>\nTh\u1ebf theo c\u01a1 ch\u1ebf g\u1ed1c<\/td>\n<\/tr>\n
      L\u00e0m m\u1ea5t m\u00e0u dd brom<\/td>\nKh\u00f4ng<\/td>\nKh\u00f4ng<\/td>\nKh\u00f4ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      L\u01b0u \u00fd: c\u1ea3 benzen, toluen v\u00e0 hexan \u0111\u1ec1u kh\u00f4ng l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom \u1edf \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng, kh\u00e1c v\u1edbi c\u00e1c hi\u0111rocacbon kh\u00f4ng no nh\u01b0 etilen hay axetilen.<\/p>\n

      \u1ee8ng d\u1ee5ng c\u1ee7a benzen<\/h2>\n

      Trong c\u00f4ng nghi\u1ec7p, benzen l\u00e0 nguy\u00ean li\u1ec7u quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u h\u00f3a ch\u1ea5t v\u00e0 v\u1eadt li\u1ec7u: ch\u1ea5t d\u1ebbo, s\u1ee3i t\u1ed5ng h\u1ee3p, cao su t\u1ed5ng h\u1ee3p, ph\u1ea9m nhu\u1ed9m, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 m\u1ed9t s\u1ed1 dung m\u00f4i. Nhi\u1ec1u s\u1ea3n ph\u1ea9m quen thu\u1ed9c nh\u01b0 nh\u1ef1a PS, nilon, thu\u1ed1c tr\u1eeb s\u00e2u hay ch\u1ea5t t\u1ea9y r\u1eeda \u0111\u1ec1u c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb benzen. Tuy nhi\u00ean, do \u0111\u1ed9c t\u00ednh cao n\u00ean xu h\u01b0\u1edbng hi\u1ec7n nay l\u00e0 h\u1ea1n ch\u1ebf d\u00f9ng benzen l\u00e0m dung m\u00f4i tr\u1ef1c ti\u1ebfp, thay b\u1eb1ng c\u00e1c ch\u1ea5t an to\u00e0n h\u01a1n nh\u01b0 toluen ho\u1eb7c xylen.<\/p>\n

      \"benzen-3\"<\/p>\n

      L\u01b0u \u00fd an to\u00e0n khi ti\u1ebfp x\u00fac v\u1edbi benzen<\/h2>\n

      C\u2086H\u2086 l\u00e0 h\u00f3a ch\u1ea5t \u0111\u1ed9c, c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe khi h\u00edt ph\u1ea3i h\u01a1i ho\u1eb7c ti\u1ebfp x\u00fac l\u00e2u d\u00e0i; c\u00e1c t\u1ed5 ch\u1ee9c y t\u1ebf qu\u1ed1c t\u1ebf x\u1ebfp benzen v\u00e0o nh\u00f3m ch\u1ea5t g\u00e2y ung th\u01b0. V\u00ec v\u1eady, benzen ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 nh\u00e0 m\u00e1y c\u00f3 trang b\u1ecb b\u1ea3o h\u1ed9, h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 \u0111\u1ea1t chu\u1ea9n. H\u1ecdc sinh ch\u1ec9 n\u00ean t\u00ecm hi\u1ec3u C\u2086H\u2086 v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, kh\u00f4ng t\u1ef1 \u00fd th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m v\u1edbi C\u2086H\u2086 ngo\u00e0i s\u1ef1 h\u01b0\u1edbng d\u1eabn v\u00e0 gi\u00e1m s\u00e1t c\u1ee7a gi\u00e1o vi\u00ean.<\/p>\n

      B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng c\u00f3 l\u1eddi gi\u1ea3i<\/h2>\n
        \n
      • B\u00e0i 1:<\/strong> Vi\u1ebft c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed v\u00e0 t\u00ednh ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a benzen. L\u1eddi gi\u1ea3i:<\/em> C\u2086H\u2086; ph\u00e2n t\u1eed kh\u1ed1i = 6 \u00d7 12 + 6 \u00d7 1 = 78 \u0111vC.<\/li>\n
      • B\u00e0i 2:<\/strong> V\u00ec sao benzen d\u1ec5 th\u1ebf, kh\u00f3 c\u1ed9ng? L\u1eddi gi\u1ea3i:<\/em> v\u00ec h\u1ec7 li\u00ean k\u1ebft trong v\u00f2ng benzen r\u1ea5t b\u1ec1n, ph\u1ea3n \u1ee9ng th\u1ebf gi\u1eef nguy\u00ean v\u00f2ng n\u00ean thu\u1eadn l\u1ee3i h\u01a1n ph\u1ea3n \u1ee9ng c\u1ed9ng (ph\u00e1 v\u1ee1 h\u1ec7 b\u1ec1n n\u00e0y).<\/li>\n
      • B\u00e0i 3:<\/strong> Benzen c\u00f3 tan trong n\u01b0\u1edbc kh\u00f4ng? L\u1eddi gi\u1ea3i:<\/em> kh\u00f4ng tan trong n\u01b0\u1edbc v\u00e0 nh\u1eb9 h\u01a1n n\u01b0\u1edbc n\u00ean n\u1ed5i l\u00ean tr\u00ean.<\/li>\n
      • B\u00e0i 4 (tr\u1eafc nghi\u1ec7m):<\/strong> C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a benzen l\u00e0 g\u00ec? A. C\u2086H\u2081\u2082 B. C\u2086H\u2086 C. C\u2082H\u2086 D. CH\u2084. \u0110\u00e1p \u00e1n:<\/em> B.<\/li>\n
      • B\u00e0i 5:<\/strong> \u0110\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n 7,8 gam benzen. T\u00ednh th\u1ec3 t\u00edch kh\u00ed CO\u2082 thu \u0111\u01b0\u1ee3c \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. L\u1eddi gi\u1ea3i:<\/em> s\u1ed1 mol benzen = 7,8 \u00f7 78 = 0,1 mol. Theo ph\u01b0\u01a1ng tr\u00ecnh 2C\u2086H\u2086 + 15O\u2082 \u2192 12CO\u2082 + 6H\u2082O, c\u1ee9 1 mol C\u2086H\u2086 t\u1ea1o 6 mol CO\u2082, n\u00ean n(CO\u2082) = 0,1 \u00d7 6 = 0,6 mol. V\u1eady V(CO\u2082) = 0,6 \u00d7 22,4 = 13,44 l\u00edt.<\/li>\n<\/ul>\n

        \"benzen-4\"<\/p>\n

        C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 benzen<\/h2>\n

        Benzen l\u00e0 g\u00ec?<\/h3>\n

        Benzen l\u00e0 hi\u0111rocacbon th\u01a1m \u0111\u01a1n gi\u1ea3n nh\u1ea5t, c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C\u2086H\u2086, c\u1ea5u t\u1ea1o v\u00f2ng s\u00e1u c\u1ea1nh ph\u1eb3ng v\u00e0 \u0111\u1ec1u \u0111\u1eb7n.<\/p>\n

        Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a benzen l\u00e0 bao nhi\u00eau?<\/h3>\n

        Ph\u00e2n t\u1eed kh\u1ed1i c\u1ee7a benzen b\u1eb1ng 78 \u0111vC, t\u00ednh theo 6 \u00d7 12 + 6 \u00d7 1.<\/p>\n

        Benzen c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng n\u00e0o?<\/h3>\n

        Benzen d\u1ec5 tham gia ph\u1ea3n \u1ee9ng th\u1ebf, kh\u00f3 tham gia ph\u1ea3n \u1ee9ng c\u1ed9ng v\u00e0 b\u1ec1n v\u1edbi ch\u1ea5t oxi h\u00f3a \u2013 \u0111\u00f3 l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ee7a “t\u00ednh th\u01a1m”.<\/p>\n

        Benzen c\u00f3 tan trong n\u01b0\u1edbc kh\u00f4ng?<\/h3>\n

        Benzen kh\u00f4ng tan trong n\u01b0\u1edbc, nh\u1eb9 h\u01a1n n\u01b0\u1edbc v\u00e0 tan t\u1ed1t trong c\u00e1c dung m\u00f4i h\u1eefu c\u01a1.<\/p>\n

        Benzen c\u00f3 \u0111\u1ed9c kh\u00f4ng?<\/h3>\n

        C\u00f3, C\u2086H\u2086 l\u00e0 h\u00f3a ch\u1ea5t \u0111\u1ed9c v\u00e0 \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m ch\u1ea5t g\u00e2y ung th\u01b0, c\u1ea7n tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh an to\u00e0n khi s\u1eed d\u1ee5ng.<\/p>\n

        Benzen c\u00f3 l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom kh\u00f4ng?<\/h3>\n

        Kh\u00f4ng. \u1ede \u0111i\u1ec1u ki\u1ec7n th\u01b0\u1eddng benzen kh\u00f4ng l\u00e0m m\u1ea5t m\u00e0u dung d\u1ecbch brom, \u0111\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c hi\u0111rocacbon kh\u00f4ng no nh\u01b0 etilen hay axetilen.
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