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The Zn acts as sacrificial or cathodic p...

The Zn acts as sacrificial or cathodic protection 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

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The correct Answer is:
B
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
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  7. When lead storage battery is charged

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  10. Hydrogen - oxygen fuel cells are used in space prograins to supply

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  12. Which of the following reactions is used to make a fuel cell ?

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  15. Which of the following metals acts as a sacrificial anode for iron art...

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  16. The composition of rust is

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  17. Zinc is used to protect corrosion of iron because

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  18. The Zn acts as sacrificial or cathodic protection to prevent rusting o...

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  19. The corrosion of iron object is favoured by

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  20. Galvanization includes plating iron with

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