1.

In the preparation of KMnO_(4) Potassium permanganate is (K_(2)MnO_(4)) is prepared from pyrolucite (MnO_(2)). What is the change in oxidation number?

Answer»

`+1 " to " +3`
`+2 " to " +4`
`+3 " to " +5`
`+4 " to " +6`

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