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11/09/2021 7:32 pm
Topic starter
(a) Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
(b) What special name is given to substances like aluminium oxide.
(c) Name another metal oxide which behaves like aluminium oxide.
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11/09/2021 7:39 pm
(a) Al2O3(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2O(l)
In this reaction aluminium oxide behaves as a basic oxide because it reacts with an acid to forms salt and water.
Al2O3(s) + 2NaOH(aq) → 2NaAlO2(aq) + H2O(l)
In this reaction, aluminium oxide behaves as an acidic oxide because it reacts with a base to form salt and water.
(b) Amphoteric oxides.
(c) Zinc oxide.