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COMEDK 2024 Shift 2 Paper

Question : 15 of 180

Marks: +1, -0

The reaction occurring at the cathodic area is:
O2(g)+2H2O(l)+4e⟶4OH−
The reaction occurring at the cathodic area is:
O2(g)+4H+(aq)+4e⟶2H2O(l);E0=+1.23V
Reaction occurring at anodic area is:
2H2O(l)⟶O2(g)+4H++4e
The overall reaction occurring during the corrosion process is:
2Fe(S)+3∕2O2(g)+6H+⟶2Fe3++3H2O;E0=−1.23V

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