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6 August, 23:57

Which element decreases its oxidation number in this reaction? i2 2kcl? 2ki cl2?

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  1. 7 August, 00:25
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    The balanced chemical equation is

    I2 + 2KCl = = = > 2KI + Cl2

    Oxidation number 0 + 2 - 2 2 - 2 0

    The element that decreases its oxidation number is I. It decreases from 0 to - 2. The oxidation number of K remains the same, and Cl increases its oxidation number
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