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Define Frenkel defect in solid crystal....

Define Frenkel defect in solid crystal.

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Frenkel defect : This defect arises in a crystal when an ion, generally cation, leaves its lattice site and occupies an interstitial site so that electrical neutrality as well as stoichiometry is maintained.
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Due of Frenkel defect

Explain Frenkel defect in ionic crystals. What type of compounds exhibit this defect ?

Does Frenkel defect in AgCl crystal change its density ?

Does Frenkel defect in AgI crystal change its density ?

How Schottky and Frenkel defects occur in ionic crystals? How does the density of a crystal gets affected by the presence of these defects ?

Explain Schottky defect in Stoichiometric crystals. What are the consequences of Schottky and Frenkel defects in crystals ?

The addition of CaCl_(2) crystal to KCl crystal a. Lowers the density of the KCl crystal b. Raises the density of the KCl crystal c. Does not affect the density of the KCl crystal d. Increases the Frenkel defects of the KCl crystal

Frenkel defect is caused due to

A : AgBr shows both Schottky and Frenkel defect. R : AgBr is a crystalline solid.

Discuss briefly the point defects in ionic crystals.

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