Question

What type of crystal defect is indicated in the diagram below?
$Na^+Cl^-Na^+Cl^-Na^+Cl^-$
$Cl^- \Box Cl^- Na^+ \Box Na^+$
$Na^+Cl^- \Box Cl^- Na^+ Cl^-$
$Cl^- Na^+ Cl^-Na^+ \Box Na^+$
(a) Interstitial defect
(b) Schottky defect
(c) Frenkel defect
(d) Frenkel and Schottky defects

Answer 1

The correct answer is option B schottky defect