In the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g), what will happen if Cl2 is removed f

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Question: In the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g), what will happen if Cl2 is removed from the system?

Options:

Correct Answer: Shift to the right

Solution:

Removing Cl2 decreases its concentration, causing the equilibrium to shift to the right to produce more Cl2.

In the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g), what will happen if Cl2 is removed from the system?

In the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g), what will happen if Cl2 is removed from the system?

Step 1: Understand that the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g) is in equilibrium, meaning the forward and reverse reactions are happening at the same rate.
Step 2: Recognize that Cl2 is one of the products of this reaction.
Step 3: When Cl2 is removed from the system, its concentration decreases.
Step 4: According to Le Chatelier's principle, if the concentration of a product decreases, the equilibrium will shift to the right to produce more of that product.
Step 5: Therefore, the reaction will produce more Cl2 to counteract the removal.

Le Chatelier's Principle – When a system at equilibrium is disturbed, it will shift in a direction that counteracts the disturbance.