Which of the following statements regarding adsorption is incorrect?

  • A
    The extent of adsorption increases with an increase in surface area.
  • B
    Physical adsorption is an exothermic process,but its enthalpy of adsorption is quite low compared to chemical adsorption.
  • C
    Physical adsorption is highly specific and it will only occur if there is some possibility of chemical bonding between adsorbent and adsorbate.
  • D
    Physisorption of a gas adsorbed at low temperature may change into chemisorption at a high temperature.

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