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 chemisorptidn, adsorption first increase and then decreases with temperature. Reason Heat keeps on providing more and more activation energy.A) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) If Assertion is true but Reason is false.
D) If both Assertion and Reason are false.
Correct Answer: B
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 adsorbate and adsorbent.
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