Question

what are amphoteric oxides?give examples.​

Answer 1

Answer:-

Amphoteric oxides are the oxides that behave as both acidic and basic oxides. Amphoteric oxides have properties of acidic as well as basic oxides that neutralize both acids and bases. The non-metallic oxides are generally acidic and the metallic oxides are basic. Metallic oxides are known as amphoteric oxides which display both the basic and acidic nature. Elements that form amphoteric oxides have some metals and some of the non-metals characteristics. Amphoterism is based upon an oxide’s oxidation state. Amphoteric oxides are classified as metal oxides that react with both acids as well as bases to create salts and water.

Examples-

ZnO(s) + 2HCl(aq) → ZnCl2(aq) + H2O(l)

ZnO(s) + 2HCl(aq) → ZnCl2(aq) + H2O(l)ZnO(s) + 2NaOH(a) → Na2ZnO2(aq) + H2O(l)

Answer 2

Answer:

⏩Metal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides. Many metals (such as zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. Amphoterism depends on the oxidation states of the oxide. Al2O3 is an example of an amphoteric oxide.

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