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116问答网 > 怎么判断酸性氧化物和碱性氧化物，比如co，so2不是碱性氧化物是怎么知道的

怎么判断酸性氧化物和碱性氧化物，比如co，so2不是碱性氧化物是怎么知道的

2025-04-07 10:52:48

推荐回答（1个）

回答1：

酸性氧化物有个特点，与含氧酸中非金属化合价相同的氧化物就是酸性氧化物，比如H2SO4，S的化合价是+6价，对应的氧化物为SO3；硝酸对应的同价态的氧化物为N2O5。另外还要记忆一个特殊的
HMnO4对应的酸性氧化物为Mn2O7,它是金属氧化物。
碱性氧化物就是碱对应的同价态的简单氧化物，如氢氧化钠的碱性氧化物为Na2O
。碱性氧化物都是金属氧化物。

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