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

Give reason for the Physisorption decreases with increase in temperature.

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.

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

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