Chemistry

Problem

One mole of

N_2

and 3 mole of

PCl_5

are placed in a 100 litre vessel heated to 227°C. The equilibrium pressure is 2.05 atm. Assuming ideal behaviour, calculate degree of dissociation of

PCl_5

and

K_P

of the reaction:

PCl_5 \rightleftharpoons PCl_3 + Cl_2