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MnO4^(2-) (1mol) in neutral aqueous medi...

`MnO_4^(2-) (1mol)` in neutral aqueous medium disproportionate to

A

`1/3 mol` of `Mn_2O_7` and `1/7 mol` of `MnO_2`

B

`2/3 mol` of `Mn_2O_7` and `1/3 mol` of `MnO_2`

C

`2/3 mol` of `MnO_4^(-)` and `1/3 mol` of `MnO_2`

D

`1/3 mol` of `MnO_4^(-)` and `2/3 mol` of `MnO_2`

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