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Why is Frenkel defect not found in pure ...

Why is Frenkel defect not found in pure alkali metal halides ?

A

cations and anions have almost equal size

B

there is a large difference in size of cations and anions

C

cations and anions have low coordination number

D

anions cannot be accommodated in voids.

Text Solution

Verified by Experts

The correct Answer is:
A
Frenkel defect is not shown by alkali metals because cations and anions have almost same size and cations cannot be accommodated in interstitial sites .
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