What is effect of pressure on extent of adsorption?

What is effect of pressure on extent of adsorption?
  1. Increase as pressure increases continuously
  2. Increases at start as pressure increase and then remains constant
  3. Decrease as pressure increase
  4. No change in extent of adsorption if pressure increase or decreases

Asked in: MHT CET 2022 (08 Aug Shift 2)

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