Question

What is an amphoteric oxide? Give the formula for an amphoteric oxide formed by an element of group-13.

Answer 1

Answer:

The oxides which posses both acidic and basic nature is called AMPHOTERIC OXIDE.

Explanation:

Amphoteric oxide in third period is Al₂O₃.

Answer 2

Metal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides.

$Al_{2}O_{3}$ is an example of an amphoteric oxide. Amphoterism depends on the oxidation states of the oxide.