question_answer

Aluminum is more reactive than iron because its standard reduction potential is higher, still aluminum is less easily corroded than iron because:

A) It has higher reducing power and forms self-protective layer of \[A{{l}_{2}}{{O}_{3}}\]

B)  It has higher reducing power and does not react with oxygen so easily

C)  Al reacts with atmospheric carbon dioxide to form a self-protective layer of \[A{{l}_{2}}{{O}_{3}}+A{{l}_{4}}{{C}_{3}}\]

D)  all of the above