What Element Is Undergoing Oxidation (If Any)in the Following Reaction

question 150

Multiple Choice

What element is undergoing oxidation (if any) in the following reaction?
2 MnO₄^-(aq) + 3 NO₂^-(aq) + H₂O(l) → 2 MnO₂(s) + 3 NO₃^-(aq) + 2 OH^-(aq)

• A) Mn
• B) O
• C) N
• D) H
• E) This is not an oxidation-reduction reaction

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