A.2C—+B2==2B—+C2该反应可以进行 | B.还原性:C—>A—>B—>D— |
C.2A—+D2==2D—+A2该反应可以进行 | D.氧化性:A2>B2>C2>D2 |
A.MnO2 + 4HCl(浓)= MnCl2 + Cl2↑+ 2H2O | B.SO2+2H2S = 2H2O+3S↓ |
C.Ba(OH)2 + H2SO4 = BaSO4↓+2H2O | D.Cl2+2NaOH =" NaCl" +NaClO+H2O |
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