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Aluminium is more reactive than Fe. But Al is less easily corroded than iron because A. Al is noble metal B. Fe forms both mono and divalent ions C. Al forms a protective oxide layer D. Fe undergoes reaction easily with H2O

Aluminium is more reactive than Fe. But Al is less easily corroded than iron because A. Al is noble metal B. Fe forms both mono and divalent ions C. Al forms a protective oxide layer D. Fe undergoes reaction easily with H2O

Grade:upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Aluminum is more reactive than iron butit doesn'tcorrodeIt isbecauseofaluminiumoxide layer.Aluminiumouter surface layer is oxidized whenever it came in contact with the air and so result inaluminiumoxide layer which is resistive in nature and remain attached to it.
Vikas TU
14149 Points
3 years ago
Aluminum is more reactive than iron but it doesn't corrode It is because of aluminium oxide layer. Aluminium outer surface layer is oxidized whenever it came in contact with the air and so result in aluminium oxide layer which is resistive in nature and remain attached to it.

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