Multiple choice

The force acting between molecules without permanent multipole moments is

  1. π-interactions

  2. London dispersion forces

  3. Van der Waals force

  4. Debye (induced dipole) force

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B Correct answer
Explanation

London dispersion forces is a type of force acting between atoms and molecules.The LDF is a weak intermolecular force arising from quantum induced instantaneous polarization multipoles in molecules. They can therefore act between molecules without permanent multipole moments.