Q.

 Which of the following options regarding defects in a crystal is correct?

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a

LiCl crystals appear pink due to met.al excess defect in which excess cations will be present in interstitial voids.

b

Schottky defect is a dislocation defect.

c

Impurity defect in metals will always increase the density of metal.

answer is C.

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Detailed Solution

Impurity defect in metals will always increase the density of metal. It is known that when temperature increases , then order of the crystal will decreases.

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