Question
Question: Which of the following crystals does not exhibit Frenkel defect?...
Which of the following crystals does not exhibit Frenkel defect?
A
AgBr
B
AgCl
C
KBr
D
ZnS
Explanation
Solution
Frenkel defect is exhibited by compound having low coordination number and compound having large difference in size of cation and anion. This defect is not found in alkali metal halides because cations and anions have almost equal size and cations cannot be accommodated in interstitial sites.