Question
2NOCl(g) $\rightleftharpoons$ 2NO(g) + Cl2(g)
In an experiment, 2.0 moles of NOCl was placed in a one-litre flask and the concentration of NO after equilibrium established, was found to be 0.4 mol/L. The equilibrium constant at 30$^\circ$C is ______________ $\times$ 10$-$4.
Correct Answer
125