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If the half cell reactions are given as ...

If the half cell reactions are given as
(i) `Fe^(2+)(aq)+2e^(-)rarrFe(s),E^(@)=0.44V`
(ii) `2H^(+)(aq)+ 1//2O_(2)(g)+2e^(-)rarrH_(2)O(l),E^(@)=+1.23V`
The `E^(@)` for the reaction.

A

`+1.67V`

B

`-1.67V`

C

`+0.79V`

D

`-0.79V`

Text Solution

Verified by Experts

The correct Answer is:
A
`E^(@)=1.2-(-0.44)=1.67V`
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