AIPMT PRELIMS 2011 Chemistry Nernst Equation MCQ Question
If the E°cell for a given reaction has a negative value, then which of the following gives the correct relationships for the values of ΔG° and Keq?
ΔG° > 0; Keq < 1
ΔG° > 0; Keq > 1
ΔG° < 0; Keq > 1
ΔG° < 0; Keq < 1
Correct Answer
Detailed Explanation
ΔG° = -nFE° and ΔG° = -RT loge Keq. If E°cell is negative, ΔG° is positive, indicating Keq < 1.
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