试题与答案

下列反应的离子方程式正确的是 [ ] A.过量SO2通入到Ba(NO3)2溶液中

题型:选择题

题目:

下列反应的离子方程式正确的是 [ ]

A.过量SO2通入到Ba(NO32溶液中:3SO2+2NO3-+3Ba2++2H2O=3BaSO4↓+2NO+4H+

B.铝铵矾[NH4Al(SO4)2·12H2O]溶液中加入过量Ba(OH)2溶液:

Al3++2SO42-+2Ba2++4OH=AlO2+2BaSO4↓+2H2O

C.H2O2溶液中滴加酸性KMnO4溶液: 2MnO4+5H2O2+6H=2Mn2++5O2↑+8H2O

D.少量NaHSO4溶液与足量Ba(OH)2溶液反应离子方程式为:

2H+SO42-+Ba2++2OH-=BaSO4↓+2H2O

答案:

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