Redox Reactions And Electrochemistry Ques 198
Question: Aluminium is more reactive than $ Fe $ . But $ Al $ is less easily corroded than iron because [DCE 1999]
Options:
A) Al is noble metal
B) Iron forms both mono and divalent ions
C) Oxygen forms a protective oxide layer
D) Fe undergoes reaction easily with $ H_2O $
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Answer:
Correct Answer: C
Solution:
Aluminium forms a protective oxide layer but iron does not.