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The oxidation number of Mn is +7 in...

The oxidation number of Mn is `+7` in

A

manganese dioxide

B

manganese chloride

C

manganese sulphate

D

potassium permanganate

Text Solution

Verified by Experts

The correct Answer is:
D
In `KMnO_(4)`, O.N. of Mn is +7
Let O.N. of Mn = x
`1 + x+4 (-2)=0`
or `x = 7`.
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