NEET Exam Model Paper 12

Question : 149 of 180

Marks: +1, -0

4 mole of PCl5 is heated in a 2L vessel to establish an equilibrium PCl5(g)⇌PCl3(g)+Cl2(g) At equilibrium the degree of decomposition of PCl5 is 0.5 .The total number of moles at equilibrium will be: