Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are Options: A . &nbspFe is oxidised to Fe2+ and dissolved oxygen in water is reduced to O2− B . &nbspFe is oxidised to Fe3+ and H2O is reduced to O2−2 C . &nbspFe is oxidised to Fe2+ and H2O is reduced to O−2 D . &nbspFe is oxidised to Fe2+ and H2O is reduced to O2

Answer: Option A : A A n o d e : F e ( s ) → F e 2 + ( a q ) + 2 e − C a t h o d e : 4 H + + O 2 + 4 e − → 2 H 2 O

Corrosion of iron is essentially an electrochemical phenomenon where the cell re

Question

Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are

Options:

A . Fe is oxidised to Fe2+ and dissolved oxygen in water is reduced to O2−

B . Fe is oxidised to Fe3+ and H2O is reduced to O2−2

C . Fe is oxidised to Fe2+ and H2O is reduced to O−2

D . Fe is oxidised to Fe2+ and H2O is reduced to O2

Answer: Option A
:
A

A n o d e : F e (s) \to F e^{2 +} (a q) + 2 e^{-}

C a t h o d e : 4 H^{+} + O_{2} + 4 e^{-} \to 2 H_{2} O

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