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  4. In acidic medium, MnO4 2-

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Q. In acidic medium, $MnO_4 ^{2-}$

Redox Reactions

Solution:

$MnO _4^{2-}$ disproportionates in acidic medium as follows:
$3 MnO _4^{2-}+4 H ^{+} \longrightarrow 2 MnO _4^{-}+ MnO _2+2 H _2 O$