Chemistry - Electrochemistry Question with Solution | TestHub

Consider the following ${\mathrm{E}}^{\circ }$ values $$\begin{array}{rl}& {\mathrm{E}}_{{\mathrm{Fe}}^{3+}/{\mathrm{Fe}}^{2+}}^{\circ }=0.77\mathrm{V}\\ & {\mathrm{E}}_{{\mathrm{Sn}}^{2+}/\mathrm{Sn}}^{\circ }=-0.14\mathrm{V}\end{array}$$ Under standard conditions the potential for the reaction $\mathrm{Sn}(\mathrm{s})+2{\mathrm{Fe}}^{3+}(\mathrm{aq})⟶2{\mathrm{Fe}}^{2+}(\mathrm{aq})+{\mathrm{Sn}}^{2+}(\mathrm{aq})$ is