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Ionic lattic has two major points defec...

Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs when smaller ion leaves from its lattic site and fits into an intersitial space.which defect decrease density of the crystal ?

A

Frenkel defect

B

Schootky defect

C

both (a) amd(b)

D

None of these

Text Solution

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The correct Answer is:
B
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Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs levels its lattic site and fits into an intersitial space. The neturaity of the crystal is benig maintained and we considerd all losses from interstitical positions. Structure shown here represents :

Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs levels its lattic site and fits into an intersitial space. The neturaity of the crystal is benig maintained and we considerd all losses from interstitical positions. Structure shown here represents :

Which point defect lowers the density of crystal ?

What are Frenkel defects ? Discuss

Which point defect does not lowers density of a crystal.

Write two main differences between Schottky and Frenkel defect.