下列反应的离子方程式不正确的是 A.向NaAlO2溶液中通入过量CO2:2AlO

下列反应的离子方程式不正确的是

A.向NaAlO2溶液中通入过量CO2:2AlO2+CO2+3H2O=2Al(OH)3↓+CO32

B.氢氧化铁与足量的氢溴酸溶液反应:Fe(OH)3+3H+=Fe3++3H2O

C.足量的CO2通入饱和碳酸钠溶液中:CO2+2Na++CO32-+H2O=2NaHCO3

D.NaHSO4溶液中滴入Ba(OH)2溶液至中性:2H++SO42-+Ba2++2OH=BaSO4↓+2H2O

答案

A

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