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Question

Which statement is true about a spontaneous cell reaction in galvanic cell?

A
Ecell>0,ΔG<0
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B
Ecell<0,ΔG>0
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C
Ecell>0,ΔG>0
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D
Ecell=0,ΔG=0
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Solution

The correct option is A Ecell>0,ΔG<0
ΔG=nFEcell
For spontaneous cell ΔG=ve
So, for the above equation Ecell=+ve
Hence Ecell>0

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