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Given below are half-cell reaction: Mn...

Given below are half-cell reaction:
`Mn^(2+)+2e^(-) rarr Mn,, E^(@) = -1.18 V`
`2(Mn^(3+)+e^(-) rarr Mn^(2+)),, E^(@) = +1.51 V`
The `E^(@)` for `3Mn^(2+) rarr Mn+2Mn^(3+)` will be:

A

`-0.33V` , the reaction will not occur

B

`-0.33V` , the reaction will occur

C

`-2.69 V`, the reaction will not occur

D

`-2.69 V`, the reaction will occur

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