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Write any two characteristics of Chemiso...

Write any two characteristics of Chemisorption.

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i) High specificity: Chemisorption is highly specific and it will only occur when adsorbent and adsorbate molecules can chemically react with each other. Eg. : oxygen is adsorbed on metals by oxide formation.
ii) Surface area : Chemisorption increases with increase in surface area of the adsorbent.
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Knowledge Check

  • Which of the following is not a characteristic of chemisorption

    A
    It is irrversible
    B
    it is specific
    C
    it is multi layer phenomenon
    D
    heat of adsorption is about 40 - 400 KJ

  • Which of the following is not a characteristic of chemisorption

    A
    It is inversible
    B
    it is specific
    C
    it is multi layer phenomenon
    D
    heat of adsorption is about 40 - 400 KJ

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