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Find the oxidation state of sodium in Na2O2

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2 Answers

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Each oxygen in a peroxide is assigned a formal charge of -1. Since sodium peroxide is neutral overall, each sodium atom is assigned an oxidation number of +1.

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by (41 points)

Let x be the oxidation station of sodium in Na2​O2​.

Na2= 2x  &  O2= (-1)2
= 2x+(-2)=0

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