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The Zn acts as sacrified of cathodic pro...

The Zn acts as sacrified of cathodic protection to prevent rusting of iron because:

A

`E_(OP)^(@)` of `ZnltE_(OP)^(@)` of Fe

B

`E_(OP)^(@)` of `ZngtE_(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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Knowledge Check

  • Iron pipes are usually coated with zinc to prevent rusting of iron pipes because

    A
    zinc is less electropositive than iron
    B
    zinc is more electropositive than iron
    C
    Iron is oxidized in preference to iron
    D
    None of the above

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