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  • 下面的方程式中能寫成離子方程式的有哪些?

    下面的方程式中能寫成離子方程式的有哪些?
    2F2 +2NaOH===2NaF+OF2 +H2O
    Cl2 +2FeCl2 ===2FeCl3
    5Cl2+I2+6H2O===2HIO3+10HCl
    Cl2+SO2 +2H2O===H2SO4 +2HCl
    S+6HNO3(濃)===H2SO4+6NO2+2H2O
    3S+4 HNO3(稀)===3SO2+4NO+2H2O
    P4+20HNO3(濃)===4H3PO4+20NO2+4H2O
    C+H2O===CO+H2(生成水煤氣)
    2C+SiO2===Si+2CO(制得粗硅)
    Si+2NaOH+H2O===Na2SiO3+2H2
    Cl2+2NaOH===NaCl+NaClO+H2O
    2Cl2+2Ca(OH)2===CaCl2+Ca(ClO)2+2H2O
    3Cl2+6KOH(熱,濃)===5KCl+KClO3+3H2O
    3S+6NaOH===2Na2S+Na2SO3+3H2O
    4P+3KOH(濃)+3H2O===PH3+3KH2PO2
    11P+15CuSO4+24H2O===5Cu3P+6H3PO4+15H2SO4
    2Al+6H2SO4(濃)===Al2(SO4)3+3SO2+6H2O
    (Al,Fe在冷,濃的H2SO4,HNO3中鈍化)
    16HCl+2KMnO4===2KCl+2MnCl2+5Cl2+8H2O
    14HCl+K2Cr2O7===2KCl+2CrCl3+3Cl2+7H2O
    2H2S+3O2(足量)===2SO2+2H2O
    2H2S+O2(少量)===2S+2H2O
    5H2S+2KMnO4+3H2SO4===2MnSO4+K2SO4+5S+8H2O
    3H2S+K2Cr2O7+4H2SO4===Cr2(SO4)3+K2SO4+3S+7H2O
    H2S+4Na2O2+2H2O===Na2SO4+6NaOH
    2NH3+3CuO===3Cu+N2+3H2O
    4NH3+6NO===5N2+6HO(用氨清除NO)
    SO2+Cl2+2H2O===H2SO4+2HCl
    SO2+Br2+2H2O===H2SO4+2HBr
    FeO+4HNO3===Fe(NO3)3+NO2+2H2O
    2Na2O2+2H2O===4NaOH+O2
    (此反應(yīng)分兩步:Na2O2+2H2O===2NaOH+H2O2 ;
    2H2O2===2H2O+O2. H2O2的制備可利用類似的反應(yīng):
    4HClO3+3H2S===3H2SO4+4HCl
    6H2SO4(濃)+2Fe===Fe2(SO4)3+3SO2+6H2O
    2H2SO4(濃)+Cu===CuSO4+SO2+2H2O
    H2SO4(濃)+2HBr===SO2+Br2+2H2O
    30HNO3+8Fe===8Fe(NO3)3+3NH4NO3+9H2O
    30HNO3+8Fe===8Fe(NO3)3+3N2O+15H2O
    36HNO3+10Fe===10Fe(NO3)3+3N2+18H2O
    5H2SO3+2KMnO4===2MnSO4+K2SO4+2H2SO4+3H2O
    H2SO3+2FeCl3+H2O===H2SO4+2FeCl2+2HCl
    4Fe(OH)2+O2+2H2O===4Fe(OH)3
    2NaOH+SO2(少量)===Na2SO3+H2O
    NaOH+SO2(足量)===NaHSO3
    2NaOH+Al2O3===2NaAlO2+H2O
    2NaOH+Cl2===NaCl+NaClO+H2O
    Mg(OH)2+2NH4Cl===MgCl2+2NH3.H2O
    3Na2S+8HNO3(稀)===6NaNO3+2NO+3S+4H2O
    3Na2SO3+2HNO3(稀)===3Na2SO4+2NO+H2O
    2Na2SO3+O2===2Na2SO4
    化學(xué)人氣:108 ℃時間:2020-06-02 00:45:05
    優(yōu)質(zhì)解答
    離子方程式:2F2 +2OH-===2F-+OF2 +H2O Cl2 +2Fe2+ ===2Fe3++2Cl-5Cl2+I2+6H2O===2H+2IO3-+10H+10Cl-Cl2+SO2 +2H2O===4H++SO42- +2Cl -S+4H+6NO3-(濃)===SO42-+6NO2+2H2O 3S+4H+4NO3-(稀)===3SO2+4NO+2H2OP4+20H+20N...
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