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In the preparation of KMnO(4) pyrolusite...

In the preparation of `KMnO_(4)` pyrolusite `(MnO_(2))` is first converted to potassium manganate `(K_(2)MnO_(4))`. In this conversion, the oxidation state off manganese changes from

A

+1 to +3

B

`+ 2 to +4`

C

` + 3 to 5`

D

` + 4 to + 6`

Text Solution

Verified by Experts

The correct Answer is:
D
`MnO_(2) (+4)` to `K_(2)MnO_(4) (+6)` i.e. changes from +4 to + 6
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level-II)
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