Electrochemistry

Section: Chemistry

Question : 25 of 30

Marks: +1, -0

Consider the following cell reaction:
2Fe (s) + O2 (g) + 4H+ (aq) → 2Fe2+ (aq) + 2H2O (1) E° = 1.67 V
At [Fe2+] = 10−3M , (O2) = 0.1 atm and pH = 3, the cell potential at 20°C is (1) 1.47 V

[JEE Adv 2011 P2]

1.47
1.77 V
1.87 V
1.57 V

Validate

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