ElectrochemistryHard
Question
Although aluminium is above hydrogen in the electrochemical series, it is stable in air and water. Why?
Options
A.Aluminium is non-reactive metal.
B.A layer of oxide is formed at metal surface, which prevent further reaction.
C.The reaction is thermodynamically unfavourable, i.e., ΔG is not negative.
D.Kinetically, the reaction has very low activation energy and hence do not occur.
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