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COMEDK2013ChemistrySurface Chemistry

Which of the following is not a characteristic of chemisorption?

Options

  1. AH is of the order of 400 ~kJ
  2. BAdsorption is irreversible
  3. CAdsorption may be multimolecular layer
  4. DAdsorption is specific

Correct answer

C. Adsorption may be multimolecular layer

Step-by-step solution

Chemisorption is highly specific and will not form if there is no possibility of chemical bonding between adsorbent and adsorbate. Chemisorption doesn't form multimolecular layer and hence, option (c) is incorrect.

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