Which of the following statements is not correct?

  • A
    Physical adsorption is due to van der Waals forces.
  • B
    Chemical adsorption decreases on increasing temperature and pressure.
  • C
    Physical adsorption is reversible.
  • D
    Activation energy for a chemical adsorption is greater than that of physical adsorption.

Explore More

Similar Questions

The substance used to decolourise and purify oils is

Assertion $(A)$: van der Waals' forces are responsible for chemisorption.
Reason $(R)$: High temperature is favourable for chemisorption.
The correct answer is

Which of the following statements is $NOT$ correct regarding the adsorption of a gas on a solid surface?

Find the temperature from the following graph at which the highest amount of a gas is adsorbed. (in $K$)

Which graph represents the amount of chemisorption of a gas with temperature under constant pressure?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo