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Zn acts as sacrifical or cathodic protec...

`Zn` acts as sacrifical or cathodic protect iont to prevent rusting of iron because

A

`E_(OP)^(@) " of " Zn lt E_(OP)^(@) " of " Fe`

B

`E_(OP)^(@)" of "Zn gt E_(OP)^(@) " of "Fe`

C

`E_(OP)^(@) " of " Zn = E_(OP)^(@) " of "Fe`

D

Zn is cheaper than iron

Text Solution

Verified by Experts

The correct Answer is:
B
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