AIPMT PRELIMS 2011 Chemistry Electrode Potentials MCQ Question
The electrode potentials for Cu²⁺(aq) + e⁻ → Cu⁺(aq) and Cu⁺(aq) + e⁻ → Cu(s) are +0.15 V and +0.50 V respectively. The value of E° for Cu²⁺/Cu will be
0.150 V
0.500 V
0.325 V
0.650 V
Correct Answer
Detailed Explanation
ΔG₃ = ΔG₁ + ΔG₂. Therefore, E° = 0.65/2 = 0.325 volt.
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