Which of the following is correct representation of reaction of acidified permanganate solution with sulphur dioxide?
Which of the following is correct representation of reaction of acidified permanganate solution with sulphur dioxide?
A. `2MnO_(4)^(-)+5SO_(2)+2H_(2)Orarr5SO_(4)^(2-)+2Mn^(2+)+4H^(+)`
B. `MnO_(4)^(-)+SO_(2)+2H_(2)OrarrS+Mn^(2+)+4H^(+)`
C. `2MnO_(4)^(-)+5SO_(2)+2H_(2)Orarr4SO_(3)^(2-)+S+2Mn^(2+)+4H^(+)`
D. `3MnO_(4)^(-)+2SO_(2)+2H_(2)Orarr2S+3Mn^(2+)+4H^(+)`
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Correct Answer - A
`[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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