Question

Which of the following compounds is likely to show both Frenkel and Schottky defects in its crystalline form ?
(JEE Main 2020)

• A. $ZnS$
• B. $CsCl$
• C. $KBr$
• D. $AgBr$

Answer 1

The correct option is D $AgBr$

Solids like $ZnS,AgCl,AgBr\&AgI$ shows Frenkel defects.
Solids like $NaCl,KCl,KBr,AgBr\text{and}CsCl$ shows Schottky defect.
Hence, $AgBr$ shows both, Frenkel as well as Schottky defects.