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Which of the following is correct repres...

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^(+)`

Text Solution

Verified by Experts

The correct Answer is:
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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Knowledge Check

  • Which of the following is correct representation of reaction of acidified permanganate solution with sulphurous acid ?

    A
    `2MnO_4^(-)+5SO_3^(2-)+6H^(+)to5SO_4^(2-)+2Mn^(2+)+3H_2O`
    B
    `MnO_4^(-)+SO_3^(2-)+2H_2OtoS+Mn^(2+)4H^(+)`
    C
    `2MnO_4^(-)+5SO_3^(2-)+2H_2Oto4SO_4^(2-)+S+2Mn^(2+0+4H^(+)`
    D
    `3MnO_4^(-)+2SO_3^(2-)+2H_2O to 2S+3Mn^(2+)+4H^(+)`

  • Which of the following is the correct representation of 1-amino acids?

    A
    B
    C
    D

  • Which of the following is not correct representation of a unit ?

    A
    Newton
    B
    Sec
    C
    a.m.u.
    D
    All of these

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