Phosphorus Trichloride and Phosphorus Pentachloride Equilibrate in the Presence of Molecular

Question 104
Multiple Choice

Phosphorus trichloride and phosphorus pentachloride equilibrate in the presence of molecular chlorine according to the following reaction: img (g)+ img (g)→ img (g) An equilibrium mixture at 450 K contains img = 0.124 bar, img = 0.157 bar,and img = 1.30 bar.What is the value of Kp at this temperature? A)66.8 bar-1 B)4.63 bar-1 C)2.53 × 10-2 bar-1 D)1.50 × 10-2 bar-1 E)1.03 bar-1