JEE Mains Model Paper 17

Question : 39 of 90

Marks: +1, -0

A certain amount of PCl5 is heated to 250°C in a 2 litre vessel till equilibrium is reached. Atequilibrium the vessel was found to contain 0.1 mole of PCl5 and 0.2 mole of Cl2. The value of Kc forthe reaction
PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) is