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KCET2017ChemistrySurface Chemistry

Which of the following is not a favourable condition for physical adsorption ?

Options

  1. AHigh temperature
  2. BHigh pressure
  3. CHigher critical temperature of adsorbate
  4. DLow temperature

Correct answer

A. High temperature

Step-by-step solution

Physical adsorption is an exothermic process, therefore, increase in temperature is an unfavorable condition for it.

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