Which of the following reactions is a disproportionation reaction? — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

In (A), $Mn$ in $MnO_4^{2-}$ (+6) is both oxidized to $MnO_4^-$ (+7) and reduced to $MnO_2$ (+4). Option (B) is comproportionation. Option (C) is also comproportionation.