Which of the following is correct repres...

Which of the following is correct representation of reaction of acidified permanganate solution with sulphur dioxide?

`2MnO_(4)^(-)+5SO_(2)+2H_(2)Orarr5SO_(4)^(2-)+2Mn^(2+)+4H^(+)`

`MnO_(4)^(-)+SO_(2)+2H_(2)OrarrS+Mn^(2+)+4H^(+)`

`2MnO_(4)^(-)+5SO_(2)+2H_(2)Orarr4SO_(3)^(2-)+S+2Mn^(2+)+4H^(+)`

`3MnO_(4)^(-)+2SO_(2)+2H_(2)Orarr2S+3Mn^(2+)+4H^(+)`

Verified by Experts

The correct Answer is:

`[MnO_(4)^(-)+8H^(+)+5e^(-)rarrMn_(4)^(2+)+4H_(2)O+4H_(2)O]xx2`
`10H_(2)O+5SO_(2)rarr5SO_(4)^(2-)+20H^(+)+10e^(-)`

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