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प्रश्न
Why is chemisorption referred to as activated adsorption?
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उत्तर
Chemisorption involves formation of bond between gaseous molecules/atoms and the solid surface for which high activation energy is required. Thus it is referred to as activated adsorption.
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संबंधित प्रश्न
Give reasons for the following observations:
Physisorption decreases with increase in temperature.
Differentiate between adsorbtion and absorption.
Why is adsorption always exothermic?
Write any two characteristics of chemisorption.
What is the difference between physisorption and chemisorption?
Give reasons for the following observations :
Powdered substances are more effective adsorbents.
Which of the following compounds is formed when tungsten adsorbs oxygen gas?
Which of the following is an example of physisorption?
Which of the following is true about chemisorption?
Which among the following is a property of physisorption?
Powdered substances are more effective adsorbents than their crystalline forms because ____________.
In physisorption, adsorption is generally ____________.
The extent of adsorption increases with the ____________.
Extent of physisorption of a gas increases with ______.
Physical adsorption of a gaseous species may change to chemical adsorption with ______.
Give an example where physisorption changes to chemisorption with rise in temperature. Explain the reason for change.
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Reason: Cleansing action of detergents involves the formation of micelles. These are formed when the concentration of detergents becomes equal to CMC.
What is the role of adsorption in heterogenous catalysis?
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:-
Which of the following statements is incorrect regarding physisorptions?
