Consider the following reversible reaction at equilibrium: CO(g)+ Cl₂(g) COCl₂(g). If chlorine gas is added to the reaction vessel, the concentration of carbon monoxide will decrease.

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Quizplus · Accepted Answer

According to Le Chatelier's Principle, when a stress is applied to a system at equilibrium, the system will shift in the direction that counteracts the stress. In this case, adding chlorine gas is a stress on the equilibrium system. To counteract the stress, the system will shift towards the side without chlorine gas, which is the side with less moles of gas overall (CO). Therefore, the concentration of carbon monoxide will decrease as the system reaches a new equilibrium.

Consider the Following Reversible Reaction at Equilibrium: CO(g)+ Cl2(g)

Consider the Following Reversible Reaction at Equilibrium: CO(g)+ Cl₂(g)