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Aluminium is more reactive than iron. Bu...

Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because.

A

Al is noble metal

B

Iron forms both mono and divalent ion

C

Oxygen forms a protective oxide layer

D

Fe undergoes reaction easily with `H_2 O`

Text Solution

Verified by Experts

The correct Answer is:
C
Aluminium forms a protective oxide layer but iron does not.
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Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R ). Mark the correct choice as: Assertion : Aluminium is more reactive than iron. Reason : Its corrosion is less than that of iron.