Q.
Which of the following is incorrect?
Moderate
Want to Fund your own JEE / NEET / Foundation preparation ??
a
Enthalpy (numerical value) of physisorption is greater than that of chemisorption
b
Physisorption is not very specific but chemisorption is highly specific
c
Chemisorption takes place at relatively high temperatures
d
In physisorption generally multi-molecular layers are formed on the adsorption
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Physisorption has a lower enthalpy (numerical value) than chemisorption. Vander Waals forces and other weak attraction forces cause physisorption, whereas specific strong forces cause chemisorption, which results in high enthalpy and high temperature reactions.