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Aluminum is above iron in the electrochemical series, yet iron corrodes easily o...


Question

Aluminum is above iron in the electrochemical series, yet iron corrodes easily on exposure to air while aluminium does not. This is because aluminium

Options

A) has a lower density than iron

B) is a better conductor than iron

C) does not corrode spontaneously

D) forms thin layer of inert oxide in moist air

E) forms amphoteric oxides while iron does not


The correct answer is D.


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