Consider the Reaction of Iodine with Manganese Dioxide 3I₂(s)

question 1

Multiple Choice

Consider the reaction of iodine with manganese dioxide 3I₂(s) + 2MnO₂(s) + 8OH^-(aq) ⇄ 6I⁻(aq) + 2MnO₄(aq) + 4H₂O(l)
The equilibrium constant for the overall reaction is 8.30 × 10⁻⁷. Calculate E°_cell for the reaction at 25°C.

• A)−0.36 V
• B)−0.18 V
• C)−0.12 V
• D)−0.060 V
• E)None of these choices are correct.

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