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Chemistry
Which of the following statements is not correct for chemisorption and physisorption?
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Q. Which of the following statements is not correct for chemisorption and physisorption?
Surface Chemistry
A
Physical adsorption occurs at a low temperature and chemisorption occurs at all temperatures.
18%
B
Magnitude of chemisorption decreases with rise in temperature while physisorption increases with rise in temperature.
57%
C
Chemisorption is irreversible and physisorption is reversible.
16%
D
In physisorption activation energy is low while in chemisorption it is high.
9%
Solution:
Chemisorption increases and physisorption decreases with rise in temperature.