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`

Question

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`

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`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
`E^(@)=1.2-(-0.44)=1.67V`

5 views Answered 2023-02-05 15:29