Question

Which is the incorrect statement?

विकल्प

• FeO_0.98 has non stoichiometric metal deficiency defect.

• Density decreases in case of crystals with Schottky’s defect.

• NaCl (s) is insulator, silicon is semiconductor, silver is conductor, quartz is piezoelectric crystal.

• Frenkel defect is favoured in those ionic compounds in which sizes of cations and anions are almost equal.

Answer 1

Frenkel defect is favoured in those ionic compounds in which sizes of cations and anions are almost equal.