Vapour density of the equilibrium mixture of the reaction SO2Cl2(g)⇋SO2(g) + Cl2(g) is 50.0. Percent dissociation of SO2Cl2 is :
(a) 33.33
(b) 35.0
(c) 30.0
(d) 66.67
Correct option: (b) 35.0
Explanation: