Determine E°_cell for the Reaction: MnO₄^-(aq)+ 8 H⁺(aq)+ 5 Fe²⁺(aq)→

question 94

Multiple Choice

Determine E°_cell for the reaction: MnO₄^-(aq) + 8 H⁺(aq) + 5 Fe²⁺(aq) → Mn²⁺(aq) + 4 H₂O(l) + 5 Fe³⁺(aq) .The half reactions are:
Fe³⁺(aq) + e^- → Fe²⁺(aq) E° = +0.771 V
MnO₄^-(aq) + 8 H⁺(aq) + 5 e^- → Mn²⁺(aq) + 4 H₂O(l) E° = 1.507 V

• A)-2.34 V
• B)-2.28 V
• C)2.28 V
• D)-0.74 V
• E)0.74 V

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