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82问答网 > 为什么KmnO4的氧化性大于K2MnO4和MnO2？

为什么KmnO4的氧化性大于K2MnO4和MnO2？

2025-03-15 22:02:09

推荐回答（1个）

回答1：

在酸性环境下K2MnO4的氧化性是比KMnO4高的,但是K2MnO4在酸性环境中根本不能稳定存在(即使是弱酸性环境),它会歧化成KMnO4和MnO2，而碱性环境环境中氧化性是KMnO4比K2MnO4强,因为碱性环境中KMnO4的还原产物是K2MnO4,氧化剂的氧化性一定比还原产物的氧化性强.

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