Examine the given defective crystal

How is the density of the crystal affected by this defect?

Options

A. Density increases
B. Density decreases
C. No effect on density
D. Density first increases then decreases

Answer

B

Explanation

The given defective crystal shows that there is missing of one cation and one anion from their lattice position which is Schottky defect. Due to missing of ions, density of the crystal decreases.