Q23 / 48 · NTA Abhyas (JEE Main) 2020 · Chemistry · Surface Chemistry

Which of the following statements about physical adsorption is not correct?

  • Correct answer
    A
    It is usually monolayer
  • B
    It is reversible in nature
  • C
    It involves van der Waals interactions between adsorbent and adsorbate
  • D
    It involves small value of adsorption

Solution

Physical adsorption is a multilayer phenomenon. Rest all are correct features of physical adsorption.

Hence, the correct answer is option: 'A'.

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