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Assertion: In physisorption, adsorption ...

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.

Text Solution

Verified by Experts

The correct Answer is:
D

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

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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.

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