Equilibrium Question 585

Question: For the reaction, PCl3(g) + Cl2(g)PCl5(g) , the value of Kc at 250°C is 26. The value of Kp at this temperature will be [UPSEAT 1999, 2000, 02]

Options:

A) 0.61

B) 0.57

C) 0.83

D) 0.46

Show Answer

Answer:

Correct Answer: A

Solution:

Kp=Kc[RT]Δn;Δn=1,Kc=26

R=0.0812,,T=250+273=523K

Kp=26[0.0812×523]1=0.6050.61



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