Chemistry (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers

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31.

The correct ΔG for the cell reaction involving steps

Zn(s) → Zn2+ (aq) + 2e-
Cu2+(aq) + 2e- → Cu(s) is
A: ΔG° - RT ln(aZn2+ / aCu2+)
B: ΔG° + RT ln(aZn2+ / aCu(s))
C: ΔG° - RT ln(aZn(s) / aCu2+) (
D: ΔG° + RT ln(aZn2+ / aCu2+)

The answer is: D

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