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Question

Chemistry Question on Electrochemistry

During spontaneous discharge of an electrochemical cell Gibb's free energy will

A

increase

B

decrease

C

not change

D

be infinity

Answer

decrease

Explanation

Solution

During spontaneous discharge for electrochemical cell, Gibbs free energy will decrease.
ΔG∘=−nFEcell ∘\Delta G^{\circ}=-n F E_{\text {cell }}^{\circ}