Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Which one of the following characteristics is associated with adsorption?
A
and 
are negative but 
is positive.
B
and 
are negative but 
is positive.
C
is negative but 
and 
are positive.
D
and 
all are negative.
Text Solution
Verified by ExpertsThe correct answer is:
D
As the molecules ofthe adsorbate are held on the surface of the solid adsorbent, entropy decreases i . e ., 
. As 
For the adsorption to occur, 
−ve and it is possible only if 
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