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Consider the following E^(@) values E^...

Consider the following
`E^(@)` values `E^(o)""_(Fe^(3+)//Fe^(2+))= +0.77 V" "E^(o)""_(Sn^(2+)//Sn)= 0.14V`
Under standard conditions the EMF for the reaction
`Sn(s) + 2Fe^(3+) (aq) rarr 2Fe^(2+)(aq)+Sn^(2+)(aq)` is :

A

`0.91 V`

B

`1.40` V

C

`1.68` V

D

`0.63` V

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