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The number of electrons that are involve...

The number of electrons that are involved in the reduction of permanganate to managanes (II) salt managanate and managanese dioxide respecitvely are

A

5,1,3

B

5,3,1

C

2,7,1

D

5,2,3

Text Solution

Verified by Experts

The correct Answer is:
a
`overset(+7)MnO_(4)^(-)+e^(-)rarroverset(2+)Mn`
`overset(+7)MnO_(4)^(-)+e^(-)rarroverset(+6)MnO_(4)^(2-)`
`overset(+7)MnO_(4)^(-)+3e^(-)rarroverset(+4)MnO_(2)`
Thus option (a) is correct
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