1.

Which is the incorrect statement-

Answer»

density decreases in case of crystals with SCHOTTKY DEFECT
NaCl(s) is insulator, silicon is SEMICONDUCTOR, silver is conductor, QUARTZ is piezo-electric crystal
Frenkel defect is favoured in those ionic compounds in which sizes of cation and ANIONS are almost equal
`FeO_(0.98)` has non-stoichiometric metal deficiency defect

Solution :In Frenkel defect, the radius of cations are smaller than that of anions present in unit cell.


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