Advertisements
Advertisements
Question
Answer in one sentence:
Name type of adsorption in which vander Waals focres are present.
Solution
Physical adsorption or physisorption.
APPEARS IN
RELATED QUESTIONS
Give reasons for the following observations:
Physisorption decreases with increase in temperature.
What is the effect of temperature on chemisorption ?
Why are powdered substances more effective adsorbents than their crystalline forms?
Distinguish between the meaning of the terms adsorption and absorption. Give one example of.
What is the difference between physisorption and chemisorption?
What are the factors which influence the adsorption of a gas on a solid?
Discuss the effect of pressure and temperature on the adsorption of gases on solids.
Physisorption is reversible while chemisorption is irreversible. Why ?
How does chemisorption vary with temperature?
How does chemisorption vary with temperature?
Answer in one sentence:
Name type of adsorption in which the compound is formed.
Which of the following is an example of physisorption?
The extent of adsorption increases with the ____________.
The physical adsorption is due to ____________.
In physisorption adsorbent does not show specificity for any particular gas because ______.
Why is chemisorption referred to as activated adsorption?
What is the role of activated charcoal in gas mask used in coal mines?
Give an example where physisorption changes to chemisorption with rise in temperature. Explain the reason for change.
Assertion: Detergents with low CMC are more economical to use.
Reason: Cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.
Which among the following is a false statement?
In physical adsorption, gas molecules are bound on the solid surface by
A plot of 10 g (x/m) versus 10 g p for the adsorption of a gas on the surface of a solid gives a straight line with slope equal to:-
Write three differences between Physisorption and Chemisorption.