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The standard reduction potential of Cu^(...

The standard reduction potential of `Cu^(2+)//Cu` and `Cu^(2+)//Cu^(+)` are `0.337` and `0.153` respectively. The standard electrode potential of `Cu^(+)//Cu` half `-` cell is

A

0.521 V

B

0.490 V

C

0.321 V

D

0.290 V

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