Question

what is intermolecular force

Answer 1

Intermolecular forces (IMFs) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions. ... Ion-induced dipole forces. Ion-dipole forces. Hydrogen bonding.

Answer 2

Forces which mediates interaction between the molecules like force of attraction and repulsion are called intermolecular forces.