Chemical BondingHard
Question
${MnO}_{4}^{2 -}$, in acidic medium, disproportionates to :
Options
A.${Mn}_{2}O_{7}$ and ${MnO}_{2}$
B.${MnO}_{4}^{-}$and MnO
C.${MnO}_{4}^{-}$and ${MnO}_{2}$
D.${Mn}_{2}O_{7}$ and MnO
Solution
$3{MnO}_{4}^{2 -} + 4H^{+} \rightarrow 2{MnO}_{4}^{-} + {MnO}_{2} + 2H_{2}O$
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