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

Options

A. 4,3,1,5
B. 1,5,3,7
C. 1,3,4,5
D. 3,5,7,1

Answer

C

Explanation

`overst(+4)MnO_(4)^(-)+2e^(-) to overset(+5)MnO_(4)^(2-)`
`overset(+7)MnO_(4)^(-)+3e^(-) to overset(+5)MnO_(2)`
`overset(+7)MnO_(4)^(-) + 4e^(-) to overset(+4)Mn_(2)O_(3)`
`overset(+7)MnO_(4)^(-) to overset(+2)Mn^(2+)`