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Schottky Defect

Which defect ...

Question

Which defect in any crystal lowers its density?

A

Schottky

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B

Interstitial

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C

F-centre

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D

Frenkel

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Solution

The correct option is A Schottky
In Schottky defect, a same number of cations and anions are missing from their lattice sites. Hence, this defect decreases the density of crystal.

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Similar questions

Q. Which one of the following defects in the crystals lowers its density?

Q. Which of the following defects in the crystals may lower the density?

Q. Frenkel defect does not change the density of the ionic crystal whereas, Schottky defect lowers the density of ionic crystal. Give a reason.

Q. a) Calculate the packing efficiency in a unit cell of Cubic Close Packing (CCP) structure?
b) Name the crystal defect which lowers the density in an ionic crystal?

Q. Calcium crystallizes in face-centred cubic unit cell with

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. Calculate density
(i) if contained

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(ii) it contained

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