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Standard oxidation potential for the fol...

Standard oxidation potential for the following half-cell reactions are `[Fe(s) rarr Fe^(2+)(aq) + 2e^(-) E^3 = +0.44 V]` `[Co(s)rarr Co^(3+) (aq) + 3e^(-) E^0 = - 1.81 V` The standard emf of the cell reaction `[3Fe(s) +2Co^(3+) (aq)rarr 3Fe^(2+) (aq) + 2Co(s)]`, will be

A

1.37 V

B

`-1.37 V`

C

`-2.25V`

D

2.25 V

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