The standard reduction potentials of `Cu^(2+)//Cu` and `Cu^(2+)//Cu^(+)` are 0.337 V and 0.153V respectively. The standard electrode potential of `Cu^(+)//Cu` half-cell is
A. `0.184V`
B. `0.827V`
C. `0.521V`
D. `0.490V`

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Correct Answer - C
`DeltaG_(3)^(@)=DeltaG_(1)^(@)-DeltaG_(2)^(@)`

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