The Equilibrium Constant,K_c,for the Reaction 2NOCl(g) →2NO(g)+ Cl₂(g)

The equilibrium constant,K_c,for the reaction 2NOCl(g) →2NO(g) + Cl₂(g)
Is 0.51 at a certain temperature.A mixture of NOCl,NO,and Cl₂ with concentrations 1.3,1.2,and 0.60 M,respectively,was introduced into a container at this temperature.Which of the following is true?

A) Cl₂(g) is produced until equilibrium is reached.
B) [NOCl] = [NO] = [Cl₂] at equilibrium.
C) NOCl(g) is produced until equilibrium is reached.
D) [Cl₂] = 0.30 M at equilibrium.
E) No apparent reaction takes place.