The Standard Cell Potential for the Reaction

question 28

Multiple Choice

The standard cell potential for the reaction
Sn²⁺(aq) + 2 Cr³⁺(aq) ⇌ Sn⁴⁺(aq) + 2 Cr²⁺(aq)
Is -0.260 V at 298 K. Calculate the standard Gibbs energy of reaction at this temperature.

• A) +25.1 kJ mol^-1
• B) +50.2 kJ mol^-1
• C) -50.1 kJ mol^-1
• D) -25.1 kJ mol^-1

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