What Is the Reduction Half-Reaction for the Equation Below

question 15

Multiple Choice

What is the reduction half-reaction for the equation below?
5Fe²⁺(aq) + MnO₄−(aq) + 8H⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(l)

• A) MnO₄−(aq)+ 5e− → Mn²⁺(aq)+ 2O₂(g)
• B) MnO₄−(aq)+ 8H⁺(aq)+ 5e− → Mn²⁺(aq)+ 4H₂O(l)
• C) Fe²⁺(aq)+ e− → Fe³⁺(aq)
• D) 8H⁺(aq)+ 8e− → 8H₂O(l)
• E) none of the above

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