1.

MnO_(3) in an acidic medium dissociates into

Answer»

`MnO_(2) and MnO_(4)^(-)`
`MnO and MnO_(4)^(-)`
`MnO_(2) and MnO`
`MnO_(2) and MnO_(3)`

SOLUTION :`5MnO_(3) + 2H^(+) + 4e^(-) rarr 3MnO_(3) + 2MnO_(4)^(-) + H_(2)O`


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