Advertisements
Advertisements
Question
Which of the following is not a favourable condition for physical adsorption?
Options
High pressure
Negative ∆H
Higher critical temperature of adsorbate
High temperature
Advertisements
Solution
High temperature
Explanation:
Physical adsorption is favoured at low temperature.
APPEARS IN
RELATED QUESTIONS
Differentiate between adsorbtion and absorption.
What is the effect of temperature on chemisorption ?
Why is adsorption always exothermic?
Give reason why a finely divided substance is more effective as an adsorbent.
What are the factors which influence the adsorption of a gas on a solid?
Discuss the effect of temperature on the adsorption of gases on solids.
Give reasons for the following observations :
Powdered substances are more effective adsorbents.
How does chemisorption vary with temperature?
Which of the following compounds is formed when tungsten adsorbs oxygen gas?
Which of the following is an example of physisorption?
Adsorption increases when ____________.
Which among the following is true for chemisorption?
Chromatography is based on the principle of ____________.
Extent of physisorption of a gas increases with ______.
In physisorption adsorbent does not show specificity for any particular gas because ______.
Why is it important to have clean surface in surface studies?
What is the role of diffusion in heterogenous catalysis?
Write three differences between physisorption and chemisorption.
Which of the following statements is incorrect regarding physisorptions?
