Aluminium is more reactive than iron. But aluminium is less easily corroded than iron…
Chemistry · JEE Main · NTA Exams — p-Block Elements
Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because:
- oxygen forms a protective oxide layer on aluminium
- aluminium is a noble metal
- iron undergoes reaction easily with water
- iron forms mono and divalent ions
Answer
(A) oxygen forms a protective oxide layer on aluminium
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