An example of of nonstoichiometric compound is ______?

نان اسٹوچومیٹرک کمپاؤنڈ کی ایک مثال ______ ہے؟

Pbo

NiO2

Fe2O4

None of these

Nonstoichiometric compounds have compositions that do not follow simple whole-number ratios of atoms.

Fe₂O₄ is an example because it can exist in varying compositions, deviating from the ideal stoichiometric formula.