Ncert Exercises & Solutions

Using the standard electrode potential, find out the pair between which redox reaction is not feasible.
\(\begin{aligned} & \mathrm{E}^{\ominus} \text { values: } \mathrm{Fe}^{3+} / \mathrm{Fe}^{2+}=+0.77 ; \quad \mathrm{I}_2 / \mathrm{I}^{-}=+0.54 ; \\ & \mathrm{Cu}^{2+} / \mathrm{Cu}=+0.34 ; \mathrm{Ag}^{+} / \mathrm{Ag}=+0.80 \mathrm{~V} \end{aligned}\)