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Decrease in free energy can be given by -ΔG = __________

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Decrease in free energy can be given by -ΔG = __________

(a) nFE

(b) n/FE

(c) nF/E

(d) F/nE

I have been asked this question during an internship interview.

I would like to ask this question from Fuel Cells topic in section Electro Chemical Cells and Corrosion of Applied Chemistry

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Correct answer is (a) nFE

To explain I would say: Decrease in free energy can be given by -ΔG = nFE where n= valency of ion, E = emf of cell and F=faraday.

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