In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if H2 is removed from the system, wha

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Question: In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if H2 is removed from the system, what will happen to the equilibrium? (2022)

Options:

Correct Answer: Shift to the left

Exam Year: 2022

Solution:

Removing H2 will shift the equilibrium to the left to produce more H2, according to Le Chatelier\'s principle.

In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if H2 is removed from the system, what will happen to the equilibrium? (2022)

In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if H2 is removed from the system, what will happen to the equilibrium? (2022)

Step 1: Understand the reaction: CO(g) + 2H2(g) ⇌ CH3OH(g) means carbon monoxide and hydrogen gas react to form methanol.
Step 2: Recognize that 'removing H2' means we are taking away one of the reactants (hydrogen gas).
Step 3: Recall Le Chatelier's principle, which states that if a change is made to a system at equilibrium, the system will adjust to counteract that change.
Step 4: Since H2 is a reactant and is being removed, the system will try to replace it by shifting the equilibrium to the left (towards the reactants).
Step 5: This shift to the left will produce more H2 and CO, while reducing the amount of CH3OH.

Le Chatelier's Principle – This principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change.