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The solution of CuSO(4) in which copper ...

The solution of `CuSO_(4)` in which copper rod is immersed is diluted to 10 times. The reduction electrode potential

A

Increases by `30mV`

B

Decreases by `30mV`

C

Increases by `59mV`

D

Decrease by `59mV`

Text Solution

Verified by Experts

The correct Answer is:
b
`(E_(Cu^(2+)|Cu))._(1)=E^(c)._(Cu^(2+)|Cu)+(0.059)/(2)log[Cu^(2+)]`
`[Cu^(2+)(aq)+2e^(-)rarrCu(s)]`
and `(E_(Cu^(2+)|Cu))_(2)=E^(c-)._(Cu^(2+)|Cu)+(0.059)/(2)log[Cu^(2+)]_(2)`
`implies DeltaE_(Cu^(2+)|Cu)=-(0.059)/(2)V`
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