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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^(c-)._(OP)` of `ZnltE^(c-)._(OP)` of `Fe`

B

`E^(c-)._(OP)` of `ZngtE^(c-)._(OP)` of `Fe`

C

`E^(c-)._(OP)` of `Zn=E^(c-)._(OP)` of `Fe`

D

`Zn` is cheaper than iron

Text Solution

Verified by Experts

The correct Answer is:
b
Since `Zn` acts as a sacrifical element, this implies `Zn` should have move tendency to get oxidized than `Fe`.
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