What Is the E°_cell for the Cell Represented by the Combination

question 59

Multiple Choice

What is the E°_cell for the cell represented by the combination of the following half-reactions? ClO₄(aq) + 8H(aq) + 8e ⇄ Cl^-(aq) + 4H₂O(l) E° = 1.389 V
VO₂(aq) + 2H(aq) + e^- ⇄ VO(aq) + H₂O(l) E° = 0.991 V

• A)-0.398 V
• B)-2.380 V
• C)0.398 V
• D)2.380 V
• E)None of these choices are correct.

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