Which of the following statements is not correct?

  • A
    Both physical and chemical adsorptions are exothermic
  • B
    Physical adsorption takes place with decrease of free energy whereas chemical adsorption occurs with increase of free energy
  • C
    Physical adsorption requires low activation energy but chemical adsorption requires high activation energy
  • D
    The magnitude of chemical adsorption increases and that of physical adsorption decreases with rise in temperature

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