Question

Aluminium forms a coating of aluminium oxide. Knowing this fact explain how aluminium reacts with hydrochloric acid ( HCl).​

Answer 1

Answer:

Aluminium does react with Hydrochloric acid, but, it also reacts with the oxygen in the air to create a coating of aluminium oxide, which is unreactive with acid. 2Al + 6HCl. Al2O3+6HCl→2AlCl3+3H2O The metal needs to be more reactive than hydrogen in the reactivity series for it to react with an acid.

Explanation:

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Answer 2

Answer:

Aluminium does react with Hydrochloric acid, but, it also reacts with the oxygen in the air to create a coating of aluminium oxide, which is unreactive with acid. ... Al2O3+6HCl→2AlCl3+3H2O The metal needs to be more reactive than hydrogen in the reactivity series for it to react with an acid.

Explanation:

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