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When KMnO(4) acts as an oxidising agnet ...

When `KMnO_(4)` acts as an oxidising agnet and ultimetely from `MnO_(4)^(2-), MnO_(2), Mn_(2)O_(3)`, and `Mn^(2+)`, then the number of electrons transferred in each case, respectively, are

A

4, 3, 1, 5

B

1, 5, 3, 7

C

1, 3, 4, 5

D

3, 5, 7, 1

Text Solution

Verified by Experts

The correct Answer is:
C
`overset(+7)(M)nO_(4)^(-)+e^(-)rarroverset(+6)(M)nO_(4)^(2-)`
`overset(+7)(M)nO_(4)^(-)+3e^(-)rarroverset(+4)(M)nO_(2)`
`overset(+7)(M)nO_(4)^(-)+4e^(-)rarroverset(+3)(M)n_(2)O_(3)`
`overset(+7)(M)nO_(4)^(-)+5e^-)rarrMn^(2+)`.
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