NEET Chemistry The Solid State Questions Solved

Frenkel defect is not found in the halides of alkali metals because alkali metals have

1. high electropositivity
2. high ionic radii
3. high reactivity
4. ability to occupy interstitial sites

Concept Videos :-

#31 | Crystal Defects: Frenkel Defect
#32 | Crystal Defects: Metal Excess Defect
#33 | Crystal Defects: Metal Deficiency Defect

Concept Questions :-

Imperfections in Solids


Frenkel defect is not found in pure alkali metal halides. This is because of the larger size of the cations of the alkali metals, due to the large size the cations cannot fit into the interstitial sites.

Difficulty Level:

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