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Chemical Engineering · Q181

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 181

Q181

Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl2. Degree of dissociation of PCl5 will

A.
Decrease on addition of Cl2
B.
Increase on addition of an inert gas at constant pressure
C.
Decrease on increasing the pressure of the system
D.
None of these
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
By Le Chatelier's principle we can say that the dissociation of  is increased by decrease of number of moles of the products or by decreasing the pressure.