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Question
Chemistry
Which of the following statements is incorrect regarding physisorption ?
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Q. Which of the following statements is incorrect regarding physisorption ?
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Surface Chemistry
A
It occurs because of vander Waal’s forces
0%
B
More easily liquefiable gases are adsorbed readily
5%
C
Under high pressure it results into multi molecular layer on adsorbent surface
23%
D
Enthalpy of adsorption $\left(\Delta H_{\text{adsorption}}\right)$ is low and positive
73%
Solution:
Enthalpy of adsorption regarding physissorption is not positive and it is negative