1.

(b) Give one difference between Schottky and Frenkel defect.

AnswerΒ»

Ans :- Schottky defectoccursinthose ionic crystals wheredifference insizebetween cation and anion is small.

In Schottky defect, both cation and anion leave the solid crystal.In Frenkel defect, only the smaller ion (cation) leaves its original lattice site; whereas, the anion remainsin original lattice sites.

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