Q.

Which of the following statements regarding the physical adsorption of a gas on surface of solid is not correct?

A. on increasing temperature, adsorption increases continuously
B. enthalpy changes are negative
C. adsorption is specific
D. it is reversible in nature
Answer» A. on increasing temperature, adsorption increases continuously
Explanation: physisorption is exothermic in nature. therefore according to le chateliars principle, it occurs readily at low temperature and decreases with increase in temperature.
1.7k
0
Do you find this helpful?
4

View all MCQs in

Engineering Chemistry

Discussion

No comments yet