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The standard reduction potential for Cu^...

The standard reduction potential for `Cu^(2+)//Cu` is `+0.34V`. Calculate the reduction potential at pH=14 for the above couple. `K_(SP)` of `Cu(OH)_(2)` is `1.0xx10^(-19)`

A

`-0.2205` V

B

`+0.2205` V

C

`-0.11` V

D

`+0.11` V

Text Solution

Verified by Experts

The correct Answer is:
A
`[Cu^(2+)] = K_(sp)/[OH^(-)] E_(sp) = E_(sp)^(@) + 0.059/2 log_(10) [Cu^(2+)]`
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