Examine the given defective crystal
A+ B- A+ B- A+
B- 0 B- A+ B-
A+ B- A+ 0 A+
B- A+ B- A+ B-
Answer the following questions :
(i) What type of stoichiometric defect is shown by ths crystal?
(ii) How is the density of the crystal affected by this defect?
(iii) What type of ionic substances show such defect?
(i) Schottky defect
(ii) Density of the crystal decreases
(iii) NaCl (Ionic solids having approximate equal size of cations and anions)