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Assertion : In physisorption, adsorption...

Assertion : In physisorption, adsorption decreases with increase in tempetrature.
Reason : Lhysisorption is of eothermic nature.

A

If both assertion and reason are correct and reason is correct explanation for assertion.

B

If both assertion and reason are correct but reason is not correct explanation for assertion.

C

If assertion is correct but reason is incorrect.

D

If assertion and reason both are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
A
Reason is the correct explanation for assertion.
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Knowledge Check

  • Assertion: In physisorption, adsorption increase with increases in temperature. Reason: Physisorpation is of exothermic nature.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true and the reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.

  • Assertion : Physical adsorption increases with increase in temperature. Reason : Physical adsorption is an endothermic process.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    if both assertion and reason are false

  • In the following question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as. Assertion (A): Extent of physisorption of a gas increases with decrease in temperature. Reason (R): It is due to decrease in strength of van der Waals forces.

    A
    Both A and Rare true and R is the correct explanation of A
    B
    Both A and R are true but explanation of A
    C
    A is true but R is false
    D
    A is false and R is True

    • Similar Questions

    Explore conceptually related problems

    Why does physisorption decrease with the increase of temperature ?

    Why does physisorption decrease with increase of temperature ? Explain.

    Assertion(A): In chemisorption, adsorption keeps on increasing with temperature. Reason(R): Heat keeps on providing more and more activation energy.

    In the following question, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as. Assertion (A): Extent of physisorption of a gas increases with decrease in temperature. Reason (R): It is due to decrease in strength of van der Waals forces.

    Assertion (A): The resistivity of semiconductor' decreases with increase of temperature. Reason (R): in a conducting solid, the rate of collision increases with increase of temperature.

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