UPSEE Solved Model Paper 5

Question : 60 of 150

Marks: +1, -0

A certain amount of PCl5 was heated in a 10 litre vessel at 250°. The following equilibrium was established
PCl5 (g) ⇌ PCl3 (g) + Cl2 (g)
At equilibrium the vessel contains 0.1 mole of PCl5 and 0.20 mole of PCl3. The equilibrium constant (molL−1) of the reaction is