Aluminium is more reactive than iron but aluminium is less easily corroded than iron because

Question

Aluminium is more reactive than iron but aluminium is less easily corroded than iron because (A) aluminium is a noble metal (B) iron undergoes reaction easily with water (C) aluminium with oxygen forms a protective oxide layer (D) iron forms mono and divalent ions

Tardigrade Admin · Accepted Answer

Al forms a protective oxide layer, on reaction with oxygen which is hard and impervious.

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

aluminium is a noble metal

iron undergoes reaction easily with water

aluminium with oxygen forms a protective oxide layer

iron forms mono and divalent ions

$A l$ forms a protective oxide layer, on reaction with oxygen which is hard and impervious.