NEET2014Chemistry-Surface Chemistry
NEET 2014 Chemistry Adsorption MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements is CORRECT for the spontaneous adsorption of a gas?
A
ΔS is negative and therefore, ΔH should be highly positive.
B
ΔS is negative and therefore, ΔH should be highly negative.
C
ΔS is positive and therefore, ΔH should be negative.
D
ΔS is positive and therefore, ΔH should also be highly positive.
Correct Answer
Option B
Detailed Explanation
For spontaneous adsorption, the process is exothermic (ΔH negative) and ΔS is negative due to decreased randomness.
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