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Chemistry
Which of the following is incorrect for physisorption?
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Q. Which of the following is incorrect for physisorption?
AIIMS
AIIMS 2011
Surface Chemistry
A
Reversible
8%
B
Increases with increase in temperature.
63%
C
Low heat of adsorption.
18%
D
Increases with increase in surface area
11%
Solution:
Since, the adsorption process is exothermic, the physical adsorption occurs readily at low temperature and decreases with increase in temperature (Le-Chatelier's principle).