Question

In polar molecular solids, the molecules are held together by ________

(a) dipole-dipole interactions

(b) dispersion forces

(c) hydrogen bonds

(d) covalent bonds

This question was addressed to me in quiz.

This intriguing question originated from Amorphous and Crystalline Solids in chapter Solid State of Chemistry – Class 12

Answer 1

The correct answer is (a) dipole-dipole interactions

The best explanation: Molecular solids are solids that are collections of molecules held together by intermolecular forces. In polar molecules such as HCl, So2, etc., the molecules are held together by dipole-dipole interactions.