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Rusting on the surface of iron involves ...

Rusting on the surface of iron involves :

A

`Fe(s) to Fe^(2+) (aq.) +2e^(-) ("at anodic site")`

B

`O_(2)(g)+4H^(+) (aq.) +4e^(-) to 2J_(2)O(l)` (at cathodic site)

C

`4Fe^(2+) (aq.) +O_(2) (g)+4H_(2)O (l) to 2Fe_(2)O_(3) (s)+8H^(+)`

D

`Fe_(2) O_(3)+xH_(2)O(l) to Fe_(2)O_(3). xH_(2)O`

Text Solution

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The correct Answer is:
A
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