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Choose the incorrect statement about cor...

Choose the incorrect statement about corrosion on the metal surface.

A

In the corosion of iron, reduction of oxygen while oxidation of metal take place.

B

Rusting is reduced in highly alkaline medium.

C

`Mg` can act as sacrifical electrode.

D

`CO_(2)` gas can prevent the metal surface from corrosion.

Text Solution

Verified by Experts

The correct Answer is:
D
`CO_(2)` dissolves in water and provide `H^(+)` ions which make environment for corrosion.
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