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What is the oxidation number of chlorine in HClO4?

User Geeknik
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1 Answer

4 votes

CIO4-=-1

CI=4O=-1

O has a 2- oxidation change so

CI+4(-2)=-1

CI+(-8)=-1

CI=-1+8=7

So the oxidation number of chlorine is 7 in this case

User Alfabravo
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