Chemical Engineering - Chemical Engineering Thermodynamics - Discussion
Discussion Forum : Chemical Engineering Thermodynamics - Section 1 (Q.No. 32)
32.
Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 
PCl3 + Cl2.Degree of dissociation of PCl5 will
PCl3 + Cl2.Degree of dissociation of PCl5 willDiscussion:
5 comments Page 1 of 1.
Dhanush P said:
1 decade ago
As del(n) is > 0, addition of inert gas at cont pressure will increase the dissociation of PCl5.
And addition of cl2 prefers backward reaction so PCl5 dissociation decreases with increasing pressure, volume decreases. So to maintain cont K dissociation of PCl5 decreases.
And addition of cl2 prefers backward reaction so PCl5 dissociation decreases with increasing pressure, volume decreases. So to maintain cont K dissociation of PCl5 decreases.
(2)
Amit said:
5 years ago
I can't understand. Please help me to get it.
Suraj said:
4 years ago
Addition of cl2 products side. Then the number of mole products side increase and the reactant side decrease, and pcl 5 is dissociated because the reaction is maintaining equilibrium.
Ashish said:
3 years ago
Option A should be the answer.
(1)
Farah said:
1 year ago
PCl5 ⇌ PCl3 + Cl2.
The degree of dissociation of PCl5 refers to the forward reaction.
The forward reaction:
A - decreases when you add a product
B - does not change, since the pressure is constant anyway.
C - decreases because equilibrium shifts towards the side with the smaller number of moles.
The degree of dissociation of PCl5 refers to the forward reaction.
The forward reaction:
A - decreases when you add a product
B - does not change, since the pressure is constant anyway.
C - decreases because equilibrium shifts towards the side with the smaller number of moles.
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