Ques.Which point defect in its crystal units alters the density of a solid?

(1 mark)

2008 CBSE Delhi

Sol:Schottky defect in crystals units alters the density of a solid.

it isnt only schottky defect isnt it? it can also be vacancy and interstitial defect isnt it?

Schottky defect tends to decrease the density as a interstitial and a vacancy both are created.
Whereas in interstitial defect vacancy is not created but an interstitial atom exists hence density increases.

  • 10

Yeah, but generally i think answers with respect to IONIC SOLIDS are only given and stated. The interstitial and vancany defects are in covalent solids.

  • -6
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