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MnO(4)^(2-) undergoes disproportionation...

`MnO_(4)^(2-)` undergoes disproportionation reaction in acidic medium but `MnO_(4)^(-)` does not. Given reason.

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In acidic medium MnO_(4)^(2-)

Fusion of MnO_(2) along with KOH and O_(2) forms X. electrolytic oxidation of X yields Y. X undergoes disproportionation reaction in acidic medium to MnO_(2) and Y. The Manganese in X and Y is in the form W and Z respectively, then

MnO_(4)^(2-) in neutral aqueous medium is disproportionate to

MnO_4^- and _______are formed by the disproportionation of MnO_4^(2-) in acidic medium.

Knowledge Check

  • MnO_4^-2 undergoes disproportionation reaction in acidic medium but MnO_4^- does not because

    A
    In `MnO_4^-2`,Mn is in intermediate oxidation state
    B
    In `MnO_4^-2`,Mn is in lowest oxidation state
    C
    In `MnO_4^-2` ,Mn is in intermediate oxidation state
    D
    none of the above

  • In acidic medium, MnO_(4)^(2-)

    A
    disproportionates to `MnO_(2)`to `MnO_(4)^(-)`
    B
    is oxidized to `MnO_(4)^(-)`
    C
    is reduced to `MnO_(2)`
    D
    is reduced to `Mn^(2+)`

  • In acidic medium MnO_(4)^(2-)

    A
    Disproporationates to `MnO_(4)^(-) and MnO_(2)`
    B
    It oxidised to `MnO_(4)^(-)`
    C
    It reduced to `MnO_(2)`
    D
    It reduced to `Mn^(2+)`