which of the following is an example of an intermolecular force?\npi bond\ndipole - dipole force\nsigma…

Brief Explanations:

Intermolecular forces are attractions between molecules, while intramolecular forces (like covalent bonds, sigma/pi bonds) hold atoms within a molecule. Dipole-dipole force is an intermolecular force between polar molecules.

Answer:

B. dipole-dipole force