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2Ce^(4+) + Co rightarrow 2Ce^(3+) + Co^(...

`2Ce^(4+) + Co rightarrow 2Ce^(3+) + Co^(2+), E_(cell)^(@) = 1.89V`
`E_(Co^(2+)//Co)^(@) = -0.277V`. Hence `E_(Ce^(4+)//Ce^(3+))^(@)` is

A

0.805 V

B

1.62 V

C

`-0.805 V`

D

`-1.61 V`

Text Solution

Verified by Experts

The correct Answer is:
B
`E_(cell)^(@)=1.89,E_(Ce^(4+)//Ce^(3+))^(@)+E_(Co//Co^(3+))^(@)+E_(Co//Co^(2+))^(@)=E+0.277impliesE=1.62V`
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