Consider the following equations for a cell reaction : A+B→C+D;Eo=xvolt,ΔG=ΔG1 2A+2B→2C+2D;Eo=xvolt,ΔG=ΔG2
A
x=y,ΔG1=ΔG2
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B
x>y,ΔG1>ΔG2
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C
x=y,ΔG2=2ΔG1
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D
x<y,ΔG2=2ΔG1
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Solution
The correct option is Bx=y,ΔG2=2ΔG1
x=y,ΔG2=2ΔG1 because ΔG is an expensive property and eletrode potential is an intensive property i.e, electrote potential doesnt denpends upon the coefficient of the reactant and product in the equation of reaction
∵ΔG=−nFEcell where n=no, of electrons used in the reaction which depends upon the coefficient of the reactant