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碘化钾与亚硝酸能反应吗
更新时间: 2020-07-14 00:00:00  

碘化钾与亚硝酸能反应。

亚硝酸盐与碘化钾作用能析出游离碘,在反应中析出的NO在滴定时受空气氧化而生成亚硝酸。亚硝酸又会从碘化钾中将碘析出。

亚硝酸盐同时具有氧化性和还原性,在酸性条件下具有较强的氧化性,遇到强还原性的碘离子,故碘化钾与稀硫酸和亚硝酸钠能发生氧化还原反应,生成碘和一氧化氮。

关键词: 碘化钾 硝酸 反应

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