The reaction A 2 + B 2 ⇌ 2AB has an equilibrium constant K c = 1.8.The following pictures represent reaction mixtures that contain A 2 molecules (shaded)and B 2 molecules (unshaded),and AB molecules.
-Which nonequilibrium mixtures will react in the reverse direction to reach equilibrium?

Question

The reaction A 2 + B 2 ⇌ 2AB has an equilibrium constant K c = 1.8.The following pictures represent reaction mixtures that contain A 2 molecules (shaded)and B 2 molecules (unshaded),and AB molecules. 
-Which nonequilibrium mixtures will react in the reverse direction to reach equilibrium?

Quizplus · Accepted Answer

For a reaction mixture to react in the reverse direction to reach equilibrium, the reaction quotient (Q) must be greater than the equilibrium constant (K), indicating that the products are in excess relative to the reactants. Without specific details on the reaction mixtures, this general principle guides the determination.

The Reaction A2 + B2 ⇌ 2AB Has an Equilibrium

The Reaction A₂ + B₂⇌ 2AB Has an Equilibrium