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

question 36

Multiple Choice

What is the E°_cell for the cell represented by the combination of the following half-reactions? 2Hg²⁺(aq) + 2e- Hg₂²⁺(aq) E° = 0.92 V
Cr³⁺(aq) + 3e- Cr(s) E° = -0.74 V

• A) -0.18 V
• B) 0.18 V
• C) 1.28 V
• D) 1.66 V
• E) 2.12 V

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