Solid StateHard
Question
What type of crystal defect is indicated in the diagram below ?
Na+ Cl- Na+ Cl- Na+ Cl-
Cl- - Cl- Na+ - Na+
Na+ Cl- - Cl- Na+ Cl-
Cl- Na+ Cl- Na+ - Na+
Na+ Cl- Na+ Cl- Na+ Cl-
Cl- - Cl- Na+ - Na+
Na+ Cl- - Cl- Na+ Cl-
Cl- Na+ Cl- Na+ - Na+
Options
A.Frenkel defect
B.Schottky defect
C.Interstitial defect
D.Frenkel and Schottky defect
Solution
Equal no. of Na+ & Cl- are missing completely,
⇒ Schottky defect.
⇒ Schottky defect.
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