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Question

For a reaction Zn+2+2eZn,Eo=0.76V which of the following statement is true? (E=Electrode potential)

A
E depends upon temperature
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B
E changes when Zn plate is made bigger in size
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C
E becomes double if equation is multiplied by2
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D
Zn+2 can be reduced to Zn by H2 gas
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Solution

The correct option is A E depends upon temperature
ΔG =nFE. ΔG varies with Temperature and hence E also varies with Temperature.
E doesnt change when plate is made bigger size.
E doesn't change if Eq is multiplied by 2
Zn+2 can't be reduced to Zn with H2
So Option A is True

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