Chemistry - Redox Reactions Question with Solution | TestHub

$$\begin{array}{rl}& {\mathrm{FeC}}_2{\mathrm{O}}_4⟶{\mathrm{Fe}}^{2+}+2{\mathrm{CO}}_2+3{\mathrm{e}}^{-}]\times 5\\ & {\mathrm{MnO}}_4{}^{-}+8{\mathrm{H}}^{+}+5{\mathrm{e}}^{-}⟶{\mathrm{Mn}}^{2+}+4{\mathrm{H}}_2\mathrm{O}]\times 3\\ & 5{\mathrm{FeC}}_2{\mathrm{O}}_4+3{\mathrm{MnO}}_4^{-}+24{\mathrm{H}}^{+}⟶5{\mathrm{Fe}}^{3+}+10{\mathrm{CO}}_2+3{\mathrm{Mn}}^{2+}+12{\mathrm{H}}_2\mathrm{O}\\ & 5\mathrm{mol}{\mathrm{FeC}}_2{\mathrm{O}}_4\equiv 3\mathrm{mol}{\mathrm{MnO}}_4^{-}\\ & \therefore 1\mathrm{mol}{\mathrm{FeC}}_2{\mathrm{O}}_4\equiv \frac{3}{5}\mathrm{mol}{\mathrm{MnO}}_4^{-}\\ & =0.6\mathrm{mol}{\mathrm{MnO}}_4^{-}\\ & \end{array}$$