Multiple choice

Which of the following forces is present in a crystal of naphthalene?

  1. Electrostatic

  2. Vander waals

  3. Hydrogen bonding

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Vander waals force is the sum of the attractive or repulsive forces between molecules (or between parts of the same molecule) other than those due to covalent bonds or to the electrostatic interaction of ions with one another or with neutral molecules.