1.
Find out the compounds that will disproportionate in their aqueous solution.

(I) ClO4−→+0.36VClO3−→+0.33VClO2→+0.66VOCl−→+0.40V12Cl2→+1.36VCl−\text{ClO}_4^- \xrightarrow{+0.36\text{V}} \text{ClO}_3^- \xrightarrow{+0.33\text{V}} \text{ClO}_2 \xrightarrow{+0.66\text{V}} \text{OCl}^- \xrightarrow{+0.40\text{V}} \frac{1}{2}\text{Cl}_2 \xrightarrow{+1.36\text{V}} \text{Cl}^-

(II) MnO4−→+0.56VMnO42−→+2.22VMnO2→+0.95VMn3+→+1.55VMn2+→−0.19VMn\text{MnO}_4^- \xrightarrow{+0.56\text{V}} \text{MnO}_4^{2-} \xrightarrow{+2.22\text{V}} \text{MnO}_2 \xrightarrow{+0.95\text{V}} \text{Mn}^{3+} \xrightarrow{+1.55\text{V}} \text{Mn}^{2+} \xrightarrow{-0.19\text{V}} \text{Mn}