GKFix MCQ Question

What is the correct balanced equation for the reduction half-reaction of MnO₄⁻ in basic solution?

• A. MnO₄⁻(aq) + 4H⁺(aq) + 3e⁻ → MnO₂(s) + 2H₂O(l)
• B. MnO₄⁻(aq) + 2H₂O(l) + 3e⁻ → MnO₂(s) + 4OH⁻(aq)
• C. MnO₂(s) + 4OH⁻(aq) → MnO₄⁻(aq) + 2H₂O(l) + 3e⁻
• D. MnO₂(s) + 2H₂O(l) + 3e⁻ → MnO₄⁻(aq) + 4OH⁻(aq)