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MnO(3) in an acidic medium dissociates i...

`MnO_(3)` in an acidic medium dissociates into

A

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

B

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

C

`MnO_(2) and MnO`

D

`MnO_(2) and MnO_(3)`

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