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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

`+0.184` V

B

`-0.827` V

C

`+0.521`V

D

`+0.490` V

Text Solution

Verified by Experts

The correct Answer is:
c
`Cu^(2+) to Cu, E^(@) = 0.337`
`DeltaG =-2 xx F x 0.337`
`Cu^(+) to Cu^(2+), E^(@) = -0.153`
`DeltaG` for `Cu^(+) to Cu^(-). 2.F xx 0.337 + 0.1537= 0.521` F
So, `E^(@) = -.521` V
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