13问答网 > 酸性高锰酸钾和双氧水反应离子方程式解析

酸性高锰酸钾和双氧水反应离子方程式解析

离子反应
2025-03-15 18:32:38
推荐回答（3个）
回答1：

2MnO4ˉ+5H2O2+6H+===5O2↑+2Mn2++H2O
酸性是这样，中性应该也是这样。2MnO4ˉ+H2O2+2OH-===O2↑+2MnO42-+2H2O

碱性应该是这样。

回答2：

，H2O2完全作为还原剂，不能在两边都加上2H2O2===2H2O+O2,否则虽然方程式配平了，比方说2MnO4ˉ+7H2O2+6H+===6O2+2Mn2+10H2O，但是是错误的。

回答3：

2MnO4- + 5H2O2 + 6H+ = 2Mn2+ + 5O2 + 8H2O

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