What are amphoteric oxides? Give two examples of amphoteric oxides.  


An amphoteric compound is a molecule or ion that can react both as an acid and as a base

Certain metal oxides which are both acidic and basic are called amphoteric oxides.

Example - Aluminium Oxide (Al 2 O 3 )

Aluminium Oxide Acting as a Basic Oxide - Teachoo.png

Aluminium Oxide Acting as an Acidic Oxide - Teachoo.png

Similarly, ZnO is also an amphoteric oxide.

Zinc Oxide Acting as a Basic Oxide - Teachoo.png

Zinc Oxide Acting as a Acidic Oxide - Teachoo.png

Go Ad-free
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo