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Consider the following half cell reactio...

Consider the following half cell reactions :
`Mn^(2+)+2e^(-) rarr MnE^(o)=-1.18V`
`Mn^(2+) rarr Mn^(3+)+e^(-)E^(o)=-1.51V`
The `E^(o)` for the reaction `3Mn^(2+) rarr Mn+2Mn^(3+)`, and the possibility of the forward reaction are respectively.

A

2.69V and spontaneous

B

`"-2.69V and non spontaneous"`

C

0.33V and Spontaneous

D

4.18V and non spontaneous

Text Solution

Verified by Experts

The correct Answer is:
B
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