JEE Main 2022 · 28 Jun · Shift 1 · Chemistry Q61

ChemistrySingle correct+4 / -1Question 61 of 90

The incorrect statement about the imperfections in solids is :

Schottky defect decreases the density of the substance.

Interstitial defect increases the density of the substance.

Frenkel defect does not alter the density of the substance.

Vacancy defect increases the density of the substance.

Answer and worked solution

Official answer: D

Vacancy defect removes atoms from lattice sites, so it lowers the density. The statement that it increases density is incorrect.

(D)

Topics:Point defects

JEE Main 2022 · 28 Jun · Shift 1, Chemistry question 61