Question
Chemistry Question on Electrochemistry
According to the expression ΔG∘=−nFE∘ , the cell reaction is spontaneous when (Notations and symbols carry their usual meanings)
A
ΔG∘ is positive
B
ΔG∘ is zero
C
E∘ is negative
D
E∘ is positive
Answer
E∘ is positive
Explanation
Solution
For a spontaneous process, Gibb?s free energy change must be negative, so E∘ should be positive