Question -
Which one of the following crystals does not exhibit Frenkel defect
Options:
A .  AgBr
B .  AgCl
C .  KBr
D .  ZnS
Answer: Option C : C KBr exhibits Schottky defect and not Frenkel defect AgBr shows both Schottky as well as Frenkel defect Frenkel defect is shown by compounds with large difference in size of cations and anions, low coordination number and low ionic nature.
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