Multiple choice

Which of the following is/are non-stoichiometric compound?

  1. PbO

  2. NiO2

  3. Al2O3

  4. Fe3O4

  5. Options 2 and 3

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Non-stoichiometric compounds are those materials in which some small percentage of atoms are missing, or too many atoms are packed into an otherwise perfect lattice work.