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If the adsorbate is held on the surface ...

If the adsorbate is held on the surface of an adsorbent by force of van der Waals type, the adsorption is called

A

van der Waals adsorption

B

physical adsorption

C

physisorption

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
All these terms are used if accumulation of gas on the surface of a solid occurs on account of weak van der Waals forces.
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Knowledge Check

  • If the adsorbate is held on a surface of the adsorbent by weak Van-der Waals forces, the adsorption process is called

    A
    Deposition
    B
    Physisorption
    C
    Chemisorption
    D
    Absorption

  • If the adsorbate is held on a surface by weak Vander Waal’s force, the adsorption process is called:

    A
    Physical adsorption
    B
    Chemical adsorption
    C
    Heat of adsorption
    D
    Enthalpy of adsorption

  • When the concentration of an adsorbate is higher on the surface of adsorbent than in the adjoining bulk, the phenomenon is called

    A
    chemisorption
    B
    physisorption
    C
    positive adsorption
    D
    negative adsorption

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    When the concentration of an adsorbent higher on the surface of adsorbent than in the adjoining bulk, the phenomenon is called

    Which is correct in case of Van der Waals' absorption?

    In the van der Waals equation

    Which of the following is correct in case of Van der Waals adsorption?

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