{"id":6063,"date":"2020-05-11T19:23:22","date_gmt":"2020-05-11T12:23:22","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=6063"},"modified":"2020-05-11T19:23:22","modified_gmt":"2020-05-11T12:23:22","slug":"hop-chat-vo-co","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/hop-chat-vo-co\/","title":{"rendered":"H\u1ee3p ch\u1ea5t v\u00f4 c\u01a1"},"content":{"rendered":"

B\u00e0i h\u1ecdc v\u1ec1 h\u00f3a v\u00f4 c\u01a1 kh\u00e1 \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p. Nh\u01b0ng n\u1ebfu bi\u1ebft c\u00e1ch ph\u00e2n lo\u1ea1i v\u00e0 n\u1eafm r\u00f5 b\u1ea3n ch\u1ea5t th\u00ec m\u1ecdi chuy\u1ec7n tr\u1edf n\u00ean r\u1ea5t d\u1ec5 d\u00e0ng. B\u00e0i n\u00e0y s\u1ebd kh\u00e1i qu\u00e1t chuy\u00ean v\u1ec1 h\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m, h\u1ee3p ch\u1ea5t c\u1ee7a crom, silic \u00a0v\u00e0 c\u1ee7a s\u1eaft.<\/b><\/p>\n

\"\"
S\u1ef0 KH\u00c1C BI\u1ec6T GI\u1eeeA H\u1eeeU C\u01a0 V\u00c0 V\u00d4 C\u01a0<\/figcaption><\/figure>\n

H\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 l\u00e0 g\u00ec?<\/b><\/h2>\n

H\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c cho l\u00e0 nh\u1eefng h\u1ee3p ch\u1ea5t kh\u00f4ng ch\u1ee9a \u0111\u1ef1ng c\u00e1c nguy\u00ean t\u1eed cacbon. Nh\u01b0ng v\u1eabn c\u00f3 m\u1ed9t v\u00e0i ch\u1ea5t \u0111\u01b0\u1ee3c cho l\u00e0 h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 m\u00e0 v\u1eabn c\u00f3 cacbon nh\u01b0 CO, CO2, hidrocacbon v\u00e0 c\u00e1c mu\u1ed1i cacbonat, CaC2,\u2026<\/span><\/p>\n

\"\"<\/p>\n

Nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m<\/b><\/h3>\n

Nh\u00f4m hay k\u00fd hi\u1ec7u h\u00f3a h\u1ecdc l\u00e0 Al c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 13, nguy\u00ean t\u1eed kh\u1ed1i l\u00e0 27, l\u00e0 m\u1ed9t kim lo\u1ea1i c\u00f3 m\u00e0u tr\u1eafng b\u1ea1c, c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t v\u00e0 d\u1eabn \u0111i\u1ec7n cao. Nh\u00f4m c\u00f3 t\u00ednh oxy h\u00f3a \u0111\u1eb7c bi\u1ec7t, kh\u00f4ng \u0111\u1ed5i m\u00e0u v\u00e0 b\u1ecb g\u1ec9 s\u00e9t nh\u01b0 s\u1eaft. \u00a0<\/span><\/p>\n

\"Nh\u00f4m
Nh\u00f4m \u2013 n\u1ed5i ti\u1ebfng v\u1edbi c\u00e2u th\u00e0nh ng\u1eef “ch\u00e0 \u0111\u1ed3 nh\u00f4m”<\/figcaption><\/figure>\n
    \n
  • \n

    T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a nh\u00f4m <\/b><\/h4>\n<\/li>\n<\/ul>\n

    Nh\u00f4m c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh, n\u1eb1m \u1edf \u00f4 s\u1ed1 3, c\u00f3 chu k\u1ef3 l\u00e0 13 v\u00e0 nh\u00f3m IIIA.<\/span><\/p>\n

      \n
    • \n

      T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/b><\/h4>\n<\/li>\n<\/ul>\n

      Nh\u00f4m t\u00e1c d\u1ee5ng v\u1edbi phi kim c\u00f3 c\u00e1c ph\u1ea3n \u1ee9ng v\u1edbi oxy v\u00e0 halogen. V\u00ed d\u1ee5:<\/span><\/p>\n

      4Al +3O<\/span>2<\/span> ?<\/span> 2Al<\/span>2<\/span>O<\/span>3<\/span><\/p>\n

      2Al + 3Cl<\/span>2 <\/span>?<\/span> 2AlCl<\/span>3<\/span><\/p>\n

        \n
      • \n

        T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch axit<\/b><\/h4>\n<\/li>\n<\/ul>\n

        Nh\u00f4m b\u1ecb th\u1ee5 \u0111\u1ed9ng h\u00f3a trong axit H<\/span>2<\/span>SO<\/span>4<\/span> v\u00e0 HNO<\/span>3<\/span> \u0111\u1eb7c ngu\u1ed9i<\/span><\/p>\n

        2Al + 6HCl <\/span>?<\/span> 2AlCl<\/span>3<\/span> + 3H<\/span>2<\/span><\/p>\n

        2Al + 6H<\/span>2<\/span>SO<\/span>4<\/span> \u0111\u1eadm \u0111\u1eb7c<\/span> ?<\/span> Al<\/span>2 <\/span>(SO<\/span>4<\/span>)<\/span>3 <\/span>+ 3SO<\/span>2 <\/span>+6H<\/span>2<\/span>O<\/span><\/p>\n

          \n
        • \n

          T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m <\/b><\/h4>\n<\/li>\n<\/ul>\n

          Ki\u1ebfn th\u1ee9c n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3i b\u00e0i t\u1eadp nh\u00f4m v\u00e0 dung d\u1ecbch ki\u1ec1m. <\/span><\/p>\n

          2Al + 2KOH +2H<\/span>2<\/span>O \u00a0<\/span>?<\/span> 2KAlO<\/span>2<\/span> + 3H<\/span>2<\/span><\/p>\n

            \n
          • \n

            T\u00e1c d\u1ee5ng v\u1edbi m\u1ed9t s\u1ed1 oxit kim lo\u1ea1i<\/b><\/h4>\n<\/li>\n<\/ul>\n

            2Al + Fe<\/span>2<\/span>O<\/span>3<\/span> ?<\/span> 2Fe + Al<\/span>2<\/span>O<\/span>3<\/span><\/p>\n

              \n
            • \n

              H\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m : Al2O3<\/b><\/h4>\n<\/li>\n<\/ul>\n

              Al<\/span>2<\/span>O<\/span>3<\/span> l\u00e0 ch\u1ea5t r\u1eafn m\u00e0u tr\u1eafng, kh\u00f4ng tan trong n\u01b0\u1edbc, l\u00e0 m\u1ed9t oxit l\u01b0\u1ee1ng t\u00ednh v\u00ec c\u00f3 th\u1ec3 v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi axit.<\/span><\/p>\n

              Ph\u1ea3n \u1ee9ng v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 v\u1eeba t\u00e1c d\u1ee5ng v\u1edbi axit:<\/span><\/p>\n

                \n
              • \n

                \u1ee8ng d\u1ee5ng:<\/b><\/h4>\n<\/li>\n<\/ul>\n

                Al<\/span>2<\/span>O<\/span>3<\/span>\u00a0+ 6H<\/span>+\u00a0<\/span>\u00a0<\/span>\u2192<\/span> 2Al<\/span>3+<\/span>\u00a0+ 3H<\/span>2<\/span>O.<\/span><\/p>\n

                Al<\/span>2<\/span>O<\/span>3<\/span>\u00a0+ OH<\/span>–<\/span>\u00a0+H<\/span>2<\/span>O <\/span>\u2192<\/span> 2[Al(OH)<\/span>4<\/span>]<\/span>–<\/span><\/p>\n

                Al(OH)<\/span>3<\/span> c\u0169ng l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t c\u1ee7a nh\u00f4m, c\u00f3 m\u00e0u tr\u1eafng, l\u00e0 ch\u1ea5t k\u1ebft t\u1ee7a. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t l\u01b0\u1ee1ng t\u00ednh.<\/span><\/p>\n

                K\u1ebft t\u1ee7a tr\u1eafng xu\u1ea5t hi\u1ec7n: Al(OH)<\/span>3<\/span>\u00a0+ 3H<\/span>+<\/span>\u00a0<\/span>\u2192<\/span> 2Al<\/span>3+<\/span>\u00a0+ 3H<\/span>2<\/span>O.<\/span><\/p>\n

                N\u1ebfu dung d\u1ecbch ki\u1ec1m d\u01b0, Al(OH)<\/span>3<\/span> s\u1ebd tan d\u1ea7n: Al(OH)<\/span>3<\/span>\u00a0+ OH<\/span>–\u00a0<\/span>\u2192<\/span> [Al(OH)<\/span>4<\/span>]<\/span>–<\/span><\/p>\n

                Nh\u00f4m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o m\u00e1y bay, \u00f4 t\u00f4, t\u00e0u, t\u00ean l\u1eeda. Ngo\u00e0i ra, nh\u00f4m c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m c\u00e1c v\u1eadt d\u1ee5ng trong nh\u00e0 nh\u01b0 n\u1ed3i, ch\u1ea3o v\u00e0 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb. Nh\u00f4m oxit \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m n\u1ebfu c\u1ea7n, <\/span><\/p>\n

                Crom v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a crom<\/b><\/h3>\n

                Crom l\u00e0 m\u1ed9t kim lo\u1ea1i thu\u1ed9c nh\u00f3m VIB, chu k\u1ef3 4 v\u00e0 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 24. L\u00e0 m\u1ed9t kim lo\u1ea1i r\u1ea5t c\u1ee9ng, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a crom l\u00e0 1890<\/span>o<\/span>C, m\u00e0u tr\u1eafng \u00e1nh b\u1ea1c.<\/span><\/p>\n

                \"Crom
                Crom l\u00e0 g\u00ec ? Kim lo\u1ea1i c\u1ee9ng nh\u1ea5t th\u1ebf gi\u1edbi n\u00e0y c\u00f3 g\u00ec HOT<\/figcaption><\/figure>\n

                T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc <\/b><\/h4>\n

                T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/p>\n

                Cr t\u00e1c d\u1ee5ng v\u1edbi oxi :<\/b><\/h4>\n

                4Cr + 3O<\/span>2<\/span> ?<\/span> 2Cr<\/span>2<\/span>O<\/span>3<\/span><\/p>\n

                T\u00e1c d\u1ee5ng v\u1edbi clo:<\/b><\/h4>\n

                2Cr + 3Cl<\/span>2<\/span> ?<\/span> 2CrCl<\/span>3<\/span><\/p>\n

                T\u00e1c d\u1ee5ng v\u1edbi axit:<\/b><\/h4>\n

                Cr \u00a0+ 2HCl <\/span>?<\/span> CrCl<\/span>2<\/span><\/p>\n

                Cr + H<\/span>2<\/span>SO<\/span>4<\/span> ?<\/span> CrSO<\/span>4<\/span> + H<\/span>2<\/span><\/p>\n

                L\u01b0u \u00fd : Crom kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi HNO<\/b>3<\/b> v\u00e0 H<\/b>2<\/b>SO<\/b>4<\/b><\/em><\/p>\n

                H\u1ee3p ch\u1ea5t c\u1ee7a Crom<\/b><\/h3>\n
                  \n
                • CrO (Crom (II) oxit)<\/li>\n
                • CrO r\u1ea5t d\u1ec5 b\u1ecb oxi h\u00f3a th\u00e0nh Cr2O3<\/li>\n<\/ul>\n
                  \"\"
                  H\u00d3A CH\u1ea4T X\u1eec L\u00dd N\u01af\u1edaC NHI\u1ec4M PH\u00c8N – \u0110\u00e3 c\u00f3 CrO<\/figcaption><\/figure>\n

                  Cr<\/span>2<\/span>O<\/span>3<\/span> c\u00f3 m\u00e0u xanh l\u1ee5c \u0111\u1eadm, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y r\u1ea5t cao. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t oxi l\u01b0\u1ee1ng t\u00ednh, t\u00e1c d\u1ee5ng v\u1edbi c\u1ea3 axit v\u00e0 dung d\u1ecbch ki\u1ec1m. <\/span><\/p>\n

                  T\u00e1c d\u1ee5ng v\u1edbi axit:<\/b><\/h4>\n

                  Cr<\/span>2<\/span>O<\/span>3<\/span> + HCl <\/span>?<\/span> CrCl<\/span>3 <\/span>+ H<\/span>2<\/span><\/p>\n

                  T\u00e1c d\u1ee5ng v\u1edbi \u00a0dung d\u1ecbch ki\u1ec1m <\/b><\/h4>\n

                  Cr<\/span>2<\/span>O<\/span>3 <\/span>+ 2NaOH <\/span>?<\/span> 2NaCrO<\/span>2<\/span> + \u00a0H<\/span>2<\/span>O<\/span><\/p>\n

                    \n
                  • \n

                    Cr(OH)3<\/b><\/h3>\n<\/li>\n<\/ul>\n
                    \"\"
                    Chromium – M\u00e0u s\u1eafc n\u00e0y c\u0169ng \u0111\u1ea1i di\u1ec7n cho tr\u00ecnh duy\u1ec7t Chrome<\/figcaption><\/figure>\n

                    Cr(OH)<\/span>3<\/span> l\u00e0 m\u1ed9t hidroxit l\u01b0\u1ee1ng t\u00ednh, k\u1ebft t\u1ee7a, m\u00e0u xanh l\u1ee5c v\u00e0 tan trong axit l\u1eabn dung d\u1ecbch ki\u1ec1m.<\/span><\/p>\n

                    M\u1ed9t s\u1ed1 ph\u1ea3n \u1ee9ng v\u1edbi Cr(OH)<\/span>3<\/span><\/p>\n

                    2Cr(OH)<\/span>3<\/span>\u00a0 +\u00a0 3Br<\/span>2<\/span>\u00a0 + 10NaOH\u00a0 <\/span>\u2192<\/span>\u00a0 2Na<\/span>2<\/span>CrO<\/span>4<\/span>\u00a0+\u00a0 6NaBr + 8H<\/span>2<\/span>O<\/span><\/p>\n

                    2 Cr(OH)<\/span>3<\/span>\u00a0+ 3NaOCl\u00a0 + 4NaOH <\/span>\u2192<\/span>\u00a0 2Na<\/span>2<\/span>CrO<\/span>4<\/span>\u00a0+\u00a0 3NaCl + 5H<\/span>2<\/span>O<\/span><\/p>\n

                    2Cr(OH)<\/span>3<\/span>\u00a0+ 3PbO<\/span>2<\/span>\u00a0+ 4NaOH\u00a0 <\/span>\u2192<\/span> 2Na<\/span>2<\/span>CrO<\/span>4<\/span>\u00a0+ 3PbO + 5H<\/span>2<\/span>O<\/span><\/p>\n

                    Cr(OH)<\/span>3<\/span>\u00a0 + 3KMnO<\/span>4<\/span>\u00a0+ 5KOH <\/span>\u2192<\/span>\u00a0 K<\/span>2<\/span>CrO<\/span>4<\/span>\u00a0+ 3K<\/span>2<\/span>MnO4 + 4H<\/span>2<\/span>O<\/span><\/p>\n

                    Ngo\u00e0i ra, c\u00f2n c\u00f3 c\u00e1c lo\u1ea1i CrO<\/span>3<\/span> v\u00e0 c\u00e1c mu\u1ed1i Crom<\/span><\/p>\n

                    Silic v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a silic<\/b><\/h3>\n

                    Silic l\u00e0 m\u1ed9t ch\u1ea5t n\u1eeda kim lo\u1ea1i c\u00f3 m\u00e0u x\u00e1m \u00e1nh kim, k\u00fd hi\u1ec7u l\u00e0 Si v\u00e0 c\u00f3 s\u1ed1 hi\u1ec7u nguy\u00ean t\u1eed l\u00e0 14, c\u00f3 t\u00ednh b\u00e1n d\u1eabn. Silic v\u1eeba c\u00f3 t\u00ednh kh\u1eed v\u1eeba c\u00f3 t\u00ednh oxi h\u00f3a.<\/span><\/p>\n

                    \"\"
                    \u0110\u00e1 th\u1ea1ch anh tr\u1eafng (silic \u0111i\u00f4x\u00edt, SiO2)<\/figcaption><\/figure>\n

                    T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a silic<\/b><\/h3>\n

                    T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/h4>\n

                    Si + F<\/span>2<\/span> ?<\/span> SiF<\/span>4<\/span><\/p>\n

                    T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m<\/b><\/h4>\n

                    Silic t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m v\u00e0 n\u01b0\u1edbc<\/span><\/p>\n

                    Si + 2NaOH +H<\/span>2<\/span>O <\/span>?<\/span> Na<\/span>2<\/span>SiO<\/span>3<\/span> \u00a0+ 2H<\/span>2<\/span><\/p>\n

                    \u0110i\u1ec1u ch\u1ebf<\/b><\/h4>\n

                    Th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi ta d\u00f9ng ch\u1ea5t kh\u1eed m\u1ea1nh \u0111\u1ec3 kh\u1eed h\u1ee3p ch\u1ea5t SiO<\/span>2<\/span><\/p>\n

                    SiO<\/span>2<\/span> + 2Mg <\/span>?<\/span> \u00a0Si + 2MgO<\/span><\/p>\n

                    H\u1ee3p ch\u1ea5t c\u1ee7a Silic<\/b><\/h3>\n
                    \"\u0110\u00e1
                    \u0110\u00e1 Silic \u2013 Site Title<\/figcaption><\/figure>\n

                    Silic dioxit (SiO2)<\/p>\n

                    Silic dioxit l\u00e0 ch\u1ea5t \u1edf d\u1ea1ng tinh th\u1ec3 v\u00e0 kh\u00f4ng tan trong n\u01b0\u1edbc<\/span><\/p>\n

                    T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/b><\/h4>\n

                    T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m<\/b><\/h4>\n

                    SiO<\/span>2<\/span> + 2NaOH <\/span>?<\/span> Na<\/span>2<\/span>SiO<\/span>3<\/span> + H<\/span>2<\/span>O<\/span><\/p>\n

                    T\u00e1c d\u1ee5ng v\u1edbi axit<\/b><\/h4>\n

                    SiO<\/span>2<\/span> + 4HF <\/span>?<\/span> SiF<\/span>4<\/span> + 2H<\/span>2<\/span>O<\/span><\/p>\n

                    Axit Silixic (H<\/span>2<\/span>SiO<\/span>3<\/span>) r\u1ea5t y\u1ebfu, y\u1ebfu h\u01a1n c\u1ea3 H<\/span>2<\/span>CO<\/span>3<\/span> v\u00e0 c\u00e1c lo\u1ea1i mu\u1ed1i silic<\/span><\/p>\n

                    S\u1eaft v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a s\u1eaft<\/b><\/h3>\n
                    \"\"
                    \u0110\u01b0\u1eddng s\u1eaft Y\u00ean Vi\u00ean – Ph\u1ea3 L\u1ea1i – H\u1ea1 Long<\/figcaption><\/figure>\n

                    S\u1eaft l\u00e0 m\u1ed9t kim lo\u1ea1i c\u00f3 m\u00e0u tr\u1eafng x\u00e1m, l\u00e0 nguy\u00ean t\u1ed1 c\u00f3 nguy\u00ean t\u1eed kh\u1ed1i l\u00e0 26, chu k\u1ef3 4 v\u00e0 nh\u00f3m VIIIB, c\u00f3 t\u00ednh nhi\u1ec5m t\u1eeb. <\/span><\/p>\n

                      \n
                    • \n

                      T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:<\/b><\/h4>\n<\/li>\n
                    • \n

                      T\u00e1c d\u1ee5ng v\u1edbi oxi<\/h4>\n<\/li>\n<\/ul>\n

                      3Fe + 2O<\/span>2<\/span> ?<\/span> Fe<\/span>3<\/span>O<\/span>4<\/span> (oxit s\u1eaft t\u1eeb)<\/span><\/p>\n

                        \n
                      • \n

                        T\u00e1c d\u1ee5ng v\u1edbi phi kim<\/b><\/h4>\n<\/li>\n<\/ul>\n

                        Fe + I<\/span>2<\/span> ?<\/span> FeI<\/span>2<\/span><\/p>\n

                        Fe + Cl<\/span>2<\/span> ?<\/span> FeCl<\/span>3<\/span><\/p>\n

                          \n
                        • \n

                          T\u00e1c d\u1ee5ng v\u1edbi axit<\/b><\/h4>\n<\/li>\n<\/ul>\n

                          T\u00e1c d\u1ee5ng v\u1edbi H<\/span>2<\/span>SO<\/span>4<\/span> \u00a0v\u00e0 HCl lo\u00e3ng<\/span><\/p>\n

                          Fe + H<\/span>2<\/span>SO<\/span>4 <\/span>\u00a0<\/span>?<\/span> FeSO<\/span>4<\/span> + H<\/span>2<\/span><\/p>\n

                          Fe + HCl <\/span>?<\/span> FeCl<\/span>2<\/span> + H<\/span>2<\/span><\/p>\n

                          \u00a0\u00a0\u00a0\u00a0L\u01b0u \u00fd: Fe th\u1ee5 \u0111\u1ed9ng h\u00f3a v\u1edbi H<\/b>2<\/b>SO<\/b>4 <\/b>v\u00e0 HNO<\/b>3<\/b> \u0111\u1eb7c ngu\u1ed9i<\/b><\/em><\/p>\n

                            \n
                          • \n

                            Fe ph\u1ea3n \u1ee9ng v\u1edbi HNO3 lo\u00e3ng t\u1ea1o ra kh\u00ed NO:<\/b><\/h4>\n<\/li>\n<\/ul>\n

                            Fe + HNO<\/span>3<\/span> lo\u00e3ng <\/span>?<\/span> Fe(NO<\/span>3<\/span>)<\/span>3<\/span> +NO +<\/span> H<\/span>2<\/span>O<\/span><\/p>\n

                              \n
                            • \n

                              Fe ph\u1ea3n \u1ee9ng v\u1edbi HNO3 \u0111\u1eadm \u0111\u1eb7c t\u1ea1o kh\u00ed NO2<\/b><\/h4>\n<\/li>\n<\/ul>\n

                              Fe + 6HNO<\/span>3<\/span> ?<\/span> Fe(NO<\/span>3<\/span>)<\/span>3<\/span> +NO<\/span>2<\/span> + H<\/span>2<\/span>O<\/span><\/p>\n

                                \n
                              • \n

                                T\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch mu\u1ed1i<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                Fe + CuSO<\/b>4<\/b> ?<\/b> FeSO<\/b>4<\/b> + Cu<\/b><\/p>\n

                                  \n
                                • \n

                                  T\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                  Fe + H<\/span>2<\/span>O <\/span>?<\/span> FeO + H<\/span>2<\/span><\/p>\n

                                  3Fe + 4H<\/span>2<\/span>O <\/span>?<\/span> \u00a0Fe<\/span>3<\/span>O<\/span>4 <\/span>+ 4H<\/span>2<\/span><\/p>\n

                                  \u0110i\u1ec1u ch\u1ebf<\/b><\/h3>\n

                                  FeO + C<\/span>?<\/span> Fe + CO<\/span>2<\/span><\/p>\n

                                  Mg + FeCl<\/span>2<\/span> ?<\/span> MgCl<\/span>2<\/span> + Fe<\/span><\/p>\n

                                  H\u1ee3p ch\u1ea5t c\u1ee7a s\u1eaft<\/b><\/h3>\n
                                  \"\"
                                  Iron Man \u2192 Ng\u01b0\u1eddi S\u1eaft<\/figcaption><\/figure>\n

                                  T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/strong><\/h4>\n

                                  H\u1ee3p ch\u1ea5t Fe(II) c\u00f3 t\u00ednh kh\u1eed<\/p>\n

                                  \u1ede nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng, Fe(OH)2\u00a0b\u1ecb oxi ho\u00e1 th\u00e0nh Fe(OH)3.<\/p>\n

                                  4Fe(OH)<\/span>2<\/span>\u00a0+ O<\/span>2<\/span>\u00a0+ 2H<\/span>2<\/span>O\u00a0\u00e0\u00a04 Fe (OH)<\/span>3<\/span><\/p>\n

                                    \n
                                  • \n

                                    T\u00e1c d\u1ee5ng v\u1edbi clo:<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                    2FeCl<\/span>2<\/span>\u00a0 + Cl<\/span>2<\/span>\u00a0\u00a0\u00a0\u00e0\u00a02FeCl<\/span>3<\/span><\/p>\n

                                      \n
                                    • \n

                                      T\u00e1c d\u1ee5ng v\u1edbi HNO3<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                      3FeO + 10HNO<\/span>3<\/span>\u00a0\u00e0\u00a03Fe(NO<\/span>3<\/span>)<\/span>3<\/span>\u00a0+ NO + 5H<\/span>2<\/span>O<\/span><\/p>\n

                                        \n
                                      • \n

                                        \u0110i\u1ec1u ch\u1ebf<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                        FeCl<\/span>2<\/span>\u00a0+ 2 NaOH\u00a0\u00e0\u00a0Fe(OH)<\/span>2<\/span>\u00a0+ 2 NaCl<\/span><\/p>\n

                                        \u00a0Fe(OH)<\/span>2<\/span>\u00a0\u00a0\u00e0\u00a0 FeO\u00a0\u00a0 +\u00a0 H<\/span>2<\/span>O<\/span><\/p>\n

                                        \u00a0Fe<\/span>2<\/span>O<\/span>3<\/span>\u00a0 +\u00a0 CO\u00a0\u00a0\u00e0\u00a02 FeO\u00a0 +\u00a0 CO<\/span>2<\/span><\/p>\n

                                          \n
                                        • \n

                                          H\u1ee3p ch\u1ea5t s\u1eaft (III)<\/b><\/h3>\n<\/li>\n<\/ul>\n

                                          T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc<\/b><\/p>\n

                                            \n
                                          • \n

                                            T\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i:<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                            Fe<\/span>2<\/span>O<\/span>3<\/span>\u00a0\u00a0 +\u00a0 2Al\u00a0\u00a0\u00e0\u00a0Al<\/span>2<\/span>O<\/span>3<\/span>\u00a0 +\u00a0 2Fe<\/span><\/p>\n

                                              \n
                                            • \n

                                              T\u00e1c d\u1ee5ng v\u1edbi Fe:<\/b><\/h4>\n<\/li>\n<\/ul>\n

                                              Fe<\/span>2<\/span>O<\/span>3<\/span>\u00a0\u00a0 +\u00a0 2Al\u00a0\u00a0\u00e0\u00a0Al<\/span>2<\/span>O<\/span>3<\/span>\u00a0 +\u00a0 2Fe<\/span><\/p>\n

                                                \n
                                              • \n

                                                \u0110i\u1ec1u ch\u1ebf:<\/b><\/h4>\n<\/li>\n<\/ul>\n
                                                S\u1eed d\u1ee5ng dung d\u1ecbch ki\u1ec1m:<\/b><\/h5>\n

                                                Fe(NO<\/span>3<\/span>)<\/span>3<\/span>\u00a0+3NaOH\u00a0\u00e0Fe(OH)<\/span>3<\/span>+ 3NaNO<\/span>3<\/span><\/p>\n

                                                Nhi\u1ec7t ph\u00e2n s\u1eaft (III) hidroxit <\/b><\/h5>\n

                                                2Fe(OH)<\/span>3<\/span>\u00a0\u00a0\u00a0\u00e0\u00a0 Fe<\/span>2<\/span>O<\/span>3<\/span>\u00a0\u00a0 +\u00a0 3H<\/span>2<\/span>O<\/span><\/p>\n

                                                H\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u1ea7n ph\u1ea3i h\u1ecdc l\u00fd thuy\u1ebft v\u00e0 l\u00e0m b\u00e0i t\u1eadp nhi\u1ec1u m\u1edbi nhanh hi\u1ec3u r\u00f5 v\u00e0 thu\u1ed9c b\u00e0i. \u0110\u1eebng h\u1ecdc m\u1ed9t c\u00e1ch qua loa, b\u1ea1n s\u1ebd r\u1ea5t d\u1ec5 nh\u1ea7m l\u1eabn. H\u1ecdc h\u00f3a l\u00e0 ph\u1ea3i hi\u1ec3u, \u0111\u1eebng h\u1ecdc thu\u1ed9c m\u1ed9t c\u00e1ch v\u00f4 th\u1ee9c.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                                                H\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u1ea7n ph\u1ea3i h\u1ecdc l\u00fd thuy\u1ebft v\u00e0 l\u00e0m b\u00e0i t\u1eadp nhi\u1ec1u m\u1edbi nhanh hi\u1ec3u r\u00f5 v\u00e0 thu\u1ed9c b\u00e0i. \u0110\u1eebng h\u1ecdc m\u1ed9t c\u00e1ch qua loa, b\u1ea1n s\u1ebd r\u1ea5t d\u1ec5 nh\u1ea7m l\u1eabn. H\u1ecdc h\u00f3a l\u00e0 ph\u1ea3i hi\u1ec3u, \u0111\u1eebng h\u1ecdc thu\u1ed9c m\u1ed9t c\u00e1ch v\u00f4 th\u1ee9c.<\/p>\n","protected":false},"author":1,"featured_media":6064,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[764],"kbtag":[765],"_links":{"self":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/6063"}],"collection":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/comments?post=6063"}],"version-history":[{"count":0,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/6063\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/6064"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=6063"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=6063"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=6063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}