Adsorption and Catalysis — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
47 important questions from Adsorption and Catalysis for Telangana Open School (TOSS) Class 12 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Adsorption and Catalysis
True or False: Adsorption is the same as absorption.
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False
Adsorption is surface retention, while absorption is uniform distribution throughout the bulk of a material.
Which of the following best describes chemisorption?
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Formation of chemical bonds
Chemisorption involves the formation of chemical bonds between the adsorbate and the adsorbent, making it strong and specific.
What happens to the extent of adsorption when temperature increases in physical adsorption?
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Decreases
Physical adsorption is exothermic, so increasing temperature shifts equilibrium toward desorption, reducing adsorption.
Which of the following gases is more likely to be adsorbed strongly by charcoal?
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Ammonia
Gases that are more easily liquefiable, like ammonia, are more readily adsorbed due to stronger intermolecular forces.
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