AIPMT MAIN2008Chemistry-Chemical Equilibrium
AIPMT MAIN 2008 Chemistry Le Chatelier's Principle MCQ Question
Type: MCQ-conceptual-Medium-Class 11
For the gas phase reaction, PCl₅ (g) ⇌ PCl₃ (g) + Cl₂ (g) which of the following conditions is correct?
A
ΔH > 0 and ΔS < 0
B
ΔH = 0 and ΔS < 0
C
ΔH > 0 and ΔS > 0
D
ΔH < 0 and ΔS < 0
Correct Answer
Option C
Detailed Explanation
This is an endothermic reaction, so ΔH > 0. Since the number of moles in the product side is more, ΔS > 0.
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