The equilibrium constant of cell reaction :
`Ag_((s))+Fe^(3+)hArr Fe^(2+)+Ag` is 0.335, at `25^(@)C`. Calculate the standard emf of the cell `Ag//Ag^(+), Fe^(3+), Fe^(2+)//Pt`. Calculate `E^(@)` of `Fe^(3+), Fe^(2+)//Pt` half cell.

Explanation

`E^(@)Fe^(3+)//Fe^(2+)=0.771V`