Which of the following statements is not correct?

  • A
    Physical adsorption is due to Van der Waals forces.
  • B
    Chemical adsorption decreases at high temperature and low pressure.
  • C
    Physical adsorption is reversible.
  • D
    Adsorption energy for a chemical adsorption is generally greater than that of physical adsorption.

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Similar Questions

Adsorption of a gas follows the Freundlich adsorption isotherm. In the given plot,$x$ is the mass of gas adsorbed on mass $m$ of the adsorbent at pressure $p$. $\frac{x}{m}$ is proportional to:

Correct for physical adsorption is

For the adsorption of a solution on a solid surface,the Freundlich adsorption isotherm is given by $\frac{x}{m} = k C^{1/n}$. The plot of $\log (\frac{x}{m})$ versus $\log C$ is shown below. This corresponds to which of the following conditions?

Why do physisorption and chemisorption behave differently with a rise in temperature?

Which of the following is $NOT$ a characteristic of physical adsorption?

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