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When a mananous salt is fused with a mix...

When a mananous salt is fused with a mixture of `KNO_(3)` and and solid NaOH, the oxidation number of Mn change from +2 to:

A

`+4`

B

`+3`

C

`+6`

D

`+7`

Text Solution

Verified by Experts

The correct Answer is:
C
`overset(+2)(Mn)+OH^(-)+NO_(3)^(-)rarroverset(+6)(MnO_(4)^(-2))+H_2O`
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