QUESTIONS BASED ON HIGH ORDER THINKING SKILL
(i) Percentage of tetrahedral voids occupied by Mg2+ = (1 / 8) × 100 = 12.5% (ii) Percentage of octahedral voids occupied by Al3+ = (2 / 4) × 100 = 50%. Q. 6. Give reasons : (a) Window glass of old building look milky. b) Window glass of old building is thick at bottom. (c) CaCl2 will introduce Schottky defect if added to AgCl crystal.