Chemical EquilibriumHard

Question

At 200°C, PCl5 dissociates as PCl5(g) $\rightleftharpoons$PCl3(g) + Cl2(g). It was found that the equilibrium vapours are 62 times as heavy as hydrogen. The percentage dissociation of PCl5 at 200°C is

Options

A.34.1%
B.70.3%
C.40.5%
D.68.1%

Solution

$\alpha = \frac{M_{0} - M}{(n - 1).M} = \frac{208.5 - 124}{(2 - 1) \times 124} = 0.681$

Create a free account to view solution

View Solution Free
Topic: Chemical Equilibrium·Practice all Chemical Equilibrium questions

More Chemical Equilibrium Questions

Select the reaction for which the equilibrium constant is written as [MX3]2 = Keq. [MX2]2 [X2]...For the given reaction 2A(s) + B(g) $\rightleftharpoons$C(g) + 2D(s) + E(s), the extent of reaction of B was found to be...At total pressure P1 atm and P2 atm, N2O4 is dissociated to an extent of 33.33% and 50.00%, respectively. The ratio of p...The equation α = is correctly matched for :...For the equilibrium, A(g) B(g), ⇋H is −40 kJ/mol. If the ratio of the activation energies of the forward(Ef)...