Identify the defect developed when an ion of | vedclass

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(B) In a $Frenkel$ defect,an ion (usually the smaller cation) is displaced from its normal lattice site and occupies an interstitial site. This defect

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Frenkel defect

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(B) In a $Frenkel$ defect,an ion (usually the smaller cation) is displaced from its normal lattice site and occupies an interstitial site. This defect does not change the stoichiometry of the crystal because the number of ions remains the same. It is commonly observed in ionic compounds where there is a large difference in the size of ions,such as $AgCl$ or $ZnS$.

Identify the defect developed when an ion of an ionic compound is missing from its regular site and occupies an interstitial position between lattice points.

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