The oxidation states not shown by Mn in given reaction is $ 3 \mathrm{MnO}_4{ }^{2-}+4 \mathrm{H}^{+

Question

The oxidation states not shown by Mn in given reaction is $ 3 \mathrm{MnO}_4{ }^{2-}+4 \mathrm{H}^{+} \longrightarrow 2 \mathrm{MnO}_4{ }^{-}+\mathrm{MnO}_2+2 \mathrm{H}_2 \mathrm{O} $ \ A. +6   B. +2    C. +4   D. +7    E. +3 \ Choose the most appropriate answer from the options given below.

Professor PC Thomas Classes · Answer

(d) $: 3 \stackrel{+6}{\mathrm{MnO}_4^{2-}}+4 \mathrm{H}^{+} \longrightarrow \stackrel{+7}{2 \mathrm{MnO}_4^{-}}+\stackrel{+4}{\mathrm{MnO}_2}+2 \mathrm{H}_2 \mathrm{O}$