Use the Tabulated Half-Cell Potentials to Calculate the Equilibrium Constant

question 71

Multiple Choice

Use the tabulated half-cell potentials to calculate the equilibrium constant (K) for the following balanced redox reaction at 25 °C: 3I₂(s) + 2Fe(s) → 2Fe³⁺(aq) + 6I⁻(aq)
E°(I₂/I^-) = + 0.54 V and E°(Fe³⁺/Fe) = -0.036 V

• A) 3.5 × 10^-59
• B) 1.1 × 10¹⁷
• C) 2.4 × 10⁵⁸
• D) 8.9 × 10^-18
• E) 1.7 × 10²⁹

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