Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: In chemisorption, adsorption keeps on increasing with temperature. Reason: Heat keeps on providing more and more activation energy.A) If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:.
B) If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:.
C) If Assertion: is true but Reason: is false.
D) If both Assertion: and Reason: are false.
Correct Answer: D
Solution :
In chemisorption, adsorption first increases with temperature and then decreases. The heat initially supplied acts as activation energy for the chemical reaction occurring between adsorb ate and adsorbent.
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