1.

What type of crystal defect is indicated in the diagram given below `{:(Na^(o+),Cl^(ɵ),Na^(o+),Cl^(ɵ),Na^(o+),Cl^(ɵ)),(Cl^(ɵ),square,Cl^(ɵ),Na^(o+), square, Cl^(ɵ)),(Na^(o+),Cl^(ɵ),square,Cl^(ɵ),Na^(o+),Cl^(ɵ)),(Cl^(ɵ),Na^(o+),Cl^(ɵ),Na^(o+),square,Na^(o+)):}`A. Frenkle defectB. Schottky defectC. Interstitial defectD. Frenkle defect and Schottky defect

Answer» Correct Answer - b
Equal no , of `Na^(+) `and `CI^(-)` is missing completely
`rArr ` schattky defect.


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