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Identify the following reactions at disp...

Identify the following reactions at disproportionation a comproportionations reactions-
`2MnO_(4)^(4)(aq)+2H_(2)O(l)to2MNO_(4)^(-)(aq)+MnO_(2)(s)+4OH^(-)(aq)`

Text Solution

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`2overset(+6)Mnoverset(-2)(O_(4)^(2))-(aq)+2H_(2)O(l)to2overset(+7)MnO_(4)^(-)(aq)+overset(+4)MnO_(2)(s)+OH^(-)(aq)`In this reaction the oxidation number of Mn increases (+6 to+7) and decreases (+6to +4) as well.This means `MnO_(4)^(2)` undergoes both oxidation and reduction in the reaction .Therefore this reaction is a disproportionation reaction.
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