Aluminium does not react with either dilute or concentrated trioxonitrate (V) acid because
The correct answer is D. an insoluble oxide is formed on its surface which renders it passive
Aluminium doesnât react with either dilute or concentrated trioxonitrate (V) acid because an insoluble oxide is formed on its surface which renders it passive. It will depend on the concentration of the nitric acid usedâ¦. Although aluminium reacts with dilute nitric acid to produce aluminium nitrate and hydrogen gas, concentrated (>60%) nitric acid is such a powerful oxidising agent that it instantly causes a thin layer of aluminium oxide to coat the surface of the aluminium
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