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In a simple electrochemical cell, the ha...

In a simple electrochemical cell, the half cell reduction reaction with their standard electrode potentials are :
`Pb(s)-2e^(-) rarr Pb^(2+)(aq) , E^(@)= - 0.30 V`
`Ag(s) -e^(-) rarr Ag^(+) (aq), E^(@)= + 0.80 V`
Which of the following reaction takes place ?

A

`Pb^(2+)(aq)+2Ag(s) rarr 2Ag^(+)(aq)+Pb(s)`

B

`Pb^(2+)(aq)+Ag(s) rarr Ag^(+)(aq)+Pb(s)`

C

`Ag^(+)(aq)+Pb(s) rarr Ag(s)+Pb^(2+)(aq)`

D

`2Ag^(+)(aq)+Pb(s) rarr 2Ag(s)+Pb^(2+)(aq)`.

Text Solution

Verified by Experts

The correct Answer is:
D
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