下列反应的离子方程式不正确的是  A.溴化亚铁溶液中通入过量氯

下列反应的离子方程式不正确的是

 A.溴化亚铁溶液中通入过量氯气2Fe2++2Br+2C12==2Fe3++Br2+4C1

 B.草酸和少量烧碱溶液:H2C2O4+OH==HC2O4+H2O

 C.漂白粉溶液吸收过量的二氧化碳ClO十H2O+CO2==HClO+HCO3

 D.向NH4HSO4稀溶液中逐滴加入Ba(OH)2溶液至刚好沉淀完全

       NH4+H+SO42+Ba2+2OH=NH3·H2O+BaSO4↓+H2O

答案

A

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