Published by:
CGP EDU Academic Team
Published on: August 14, 2026
For the cell Zn(s) |Zn 2+ (aq)||M x+ (aq) |M(s), different half cells and their standard electrode potentials are given below:
Mx+(aq)/ M(s) | Au3+(aq)/ Au(s) | Ag+(aq)/ Ag(s) | Fe3+(aq)/ Fe2+(aq) | Fe2+(aq)/ Fe(s) |
1.40 | 0.80 | 0.77 | –0.44 |
If 
= –0.76 V, which cathode will give a maximum value of 
per electron transferred ?
Text Solution
Verified by ExpertsThe correct answer is:
A
We have,
For a high value of 
the value of SRP of cathode should be high.
Here the highest value is for 
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