What is the oxidation number of Manganese (Mn) in Potassium Permanganate ($KMnO_4$)?
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Question

What is the oxidation number of Manganese (Mn) in Potassium Permanganate ($KMnO4$)?

Accepted Answer

In $KMnO4$, let the oxidation state of Mn be $x$.
Oxidation state of $K = +1$
Oxidation state of $O = -2$ $+1 + x + 4(-2) = 0 \implies 1 + x - 8 = 0 \implies x = +7$.

Redox Reactions

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