Multiple choice

Van der Waals' constant tells us about

  1. molecular attraction

  2. molecular repulsion

  3. Both 1 and 2

  4. None of these

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

The van der Waals constant 'a' reflects the strength of the attractive forces between the gas particles and the constant 'b' is a measure of the actual volume occupied by a mol of gas particles.