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The most durable metal plating on iron t...

The most durable metal plating on iron to protect it againt corrosion is

A

zinc plating

B

copper plating

C

tin plating

D

nickel plating

Text Solution

Verified by Experts

The correct Answer is:
A
Zine plating, an example of sacrificial protection, is one of the most durable metal plating on iron to protect it against corrosion. Since Zn is more active (towards oxidation) than Fe, corrosion of iron will not takes place even if some scratches occur on the protective zinc plating as along as a single atom of Zn is available.
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