Advertisements
Advertisements
Question
Why is desorption important for a substance to act as a good catalyst?
Solution
Desorption is important for a substance to act as a good catalyst so that after the reaction, the products found on the surface separate out (desorbed) to create a free surface again for other reactant molecules to approach the surface and react. If desorption does not occur then other reactants are left with no space on the catalyst's surface for adsorption and the reaction will stop.
APPEARS IN
RELATED QUESTIONS
For Freundlich isotherm a graph of log `"x"/"m"` is plotted against log p. The slope of the line and its y-axis intercept respectively corresponds to ____________.
Which of the following is incorrect for physisorption?
Adsorption of a gas on solid metal surface is spontaneous and exothermic, then ____________.
If x is the amount of adsorbate and m is the amount of adsorbent, which of the following relations is not related to adsorption process?
Give two important characteristics of physisorption.
Differentiate physisorption and chemisorption.
In case of chemisorption, why adsorption first increases and then decreases with temperature?
Which will be adsorbed more readily on the surface of charcoal and why? NH3 or O2?
Heat of adsorption is greater for chemisorptions than physisorption. Why?
Which one of the is not a surfactant?
