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Consider following half cell reaction an...

Consider following half cell reaction and corresponding standard (reduction) electrode potentials.
I. `A+e^(-)rarrA:E^(@)=-24V`
II. `B^(-)+e^(-)rarrB^(2-):E^(@)=+1.25V`
III. `C^(-)+2e^(-)rarrC^(3-):E^(@)=-1.25V`
IV. `D+2e^(-)rarrD^(2-):E^(@)=+0.68V`
V. ` E+4e^(-)rarrE^(-4):E^(@)=0.38V`.
Cell with the largest cell potential is

A

`A|A^(-)||B^(2-)|B^(-)`

B

`A|A^(-)||B^(2- ),B^(-)|B`

C

`Pt|C^(3-),C^(-)|B^(-),B^(2-)| Pt`

D

` Pt|B^(2-) ,B^(-)| |C^(-),C^(3-)|Pt`

Text Solution

Verified by Experts

The correct Answer is:
C
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