Which element decreases its oxidation number in the following reaction?I + 2KCl 2KI + ClGroup of answer choicesiodineNo element decreases its oxidation number.chlorinepotassium
Question
Which element decreases its oxidation number in the following reaction?I + 2KCl 2KI + ClGroup of answer choicesiodineNo element decreases its oxidation number.chlorinepotassium
Solution
In the given reaction, Iodine (I) changes from an oxidation state of 0 in I to -1 in KI. Therefore, Iodine is the element that decreases its oxidation number in this reaction.
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