Write the Balanced Half-Reaction for the Reduction of Permanganate Ion

question 8

Multiple Choice

Write the balanced half-reaction for the reduction of permanganate ion to Mn²⁺ in an acidic solution.

• A) MnO₄−(aq)+ 8H⁺(aq)→ Mn²⁺(aq)+ 4H₂O(l)
• B) MnO₄−(aq)+ 5e− → Mn²⁺(aq)+ 2O₂(g)
• C) MnO₄−(aq)+ 4H⁺(aq)+ 3e− → Mn²⁺(aq)+ 4OH−(aq)
• D) MnO₄−(aq)+ 4H⁺(aq)+ 5e− → Mn²⁺(aq)+ 4OH−(aq)
• E) MnO₄−(aq)+ 8H⁺(aq)+ 5e− → Mn²⁺(aq)+ 4H₂O(l)

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