P-Block Elements Ques 218
Question: Aluminum is more reactive than iron because its standard reduction potential is higher, still aluminum is less easily corroded than iron because:
Options:
A) It has higher reducing power and forms self-protective layer of $ Al_2O_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 $ Al_2O_3+Al_4C_3 $
D) all of the above
Show Answer
Answer:
Correct Answer: A
Solution:
$ 2Al+\frac{3}{2}O_2\to \underset{\Pr otectivelayer}{\mathop{Al_2O_3}} $
