The reaction S₂Cl₂(g)+ Cl₂(g)⇌ 2SCl₂(g)has an equilibrium constant of K = 8. The image shows a partially reacted system. What is the composition of this system when the reaction reaches equilibrium?

Question

Quizplus · Accepted Answer

At equilibrium, the ratio of products to reactants is given by the equilibrium constant, K. In this case, as K = 8, it implies that at equilibrium, there are 8 times as many moles of product (SCl₂) present as moles of reactants (S₂Cl₂ and Cl₂). Looking at the image, we can see that there are 2 moles of S₂Cl₂ and 4 moles of Cl₂, which implies that at equilibrium we would expect to have: 2 S₂Cl₂ + 4 Cl₂ + 8 SCl₂ This matches the composition in choice B. Therefore, the answer is B.

The Reaction S2Cl2(g)+ Cl2(g)⇌ 2SCl2(g)has an Equilibrium Constant of K

The Reaction S₂Cl₂(g)+ Cl₂(g)⇌ 2SCl₂(g)has an Equilibrium Constant of K