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2价锰离子怎样反应成二氧化锰

更新时间: 2020-07-07 00:00:00     

标准的做法是把溶液调成碱性环境,Mn2+沉淀为Mn(OH)2,再用H2O2氧化。要直接在酸性环境下反应,可用(NH4)2S2O8,或者尝试用氯水,用其他的氧化剂不太容易控制在生成MnO2这一步。

关键词: 离子 怎样 反应 氧化

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