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Adsorption is accompanied by...

Adsorption is accompanied by

A

decrease in entropy of system

B

decrease in enthalpy

C

the value of `Delta ST` is negative

D

all of these

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The correct Answer is:
D
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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): At the equilibrium position in the process of adsorption AH = TAS. Reason (R): Adsorption is accompanied by decrease in surface 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): At the equilibrium position in the process of adsorption AH = TAS. Reason (R): Adsorption is accompanied by decrease in surface energy.

Assertion: Adsorption is exothermic and spontaneous in spite of the fact that adsorption is accompanied with deccrease in entropy. Reason: The factor TDeltaS is lesser than DeltaH

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