Question

define amphoteric oxide? give example.

Answer 1

In chemistry, an amphotericcompound is a molecule or ion that can react both as an acid and as a base. Many metals (such as copper, zinc, tin, lead, aluminium, andberyllium) form amphoteric oxides or hydroxides. Amphoterism depends on the oxidation states of the oxide.

Answer 2

Oxides which acts both as an acid as well base are called amphoteric oxides. For example Zno , Al2O3 , SnO, PbO etc.