The Gibbs energy change (in J) for the given reaction at Cu2+=Sn2+=1Ms and 298 K is:Cu(s)+Sn2+(aq)→ Cu2+(aq)+Sn(s);ESn2+|Sn0=−0.16V,ECu2+|Cu0=0.34V, Take F=96500 C mol−1

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answer is -96500.

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Detailed Solution

Ecell°=EC-EA=0.34+0.16=0.50 VΔGcell°=−nFEcello =−2×96500×0.5=-96500 J