What happens to the equilibrium constant if the reaction is reversed?

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What’s inside this PDF?

Question: What happens to the equilibrium constant if the reaction is reversed?

Options:

K remains the same
K is doubled
K is inverted
K is halved

Correct Answer: K is inverted

Solution:

When a reaction is reversed, the equilibrium constant for the reverse reaction is the reciprocal of the equilibrium constant for the forward reaction.

What happens to the equilibrium constant if the reaction is reversed?

Practice Questions

What happens to the equilibrium constant if the reaction is reversed?

K remains the same
K is doubled
K is inverted
K is halved

Questions & Step-by-Step Solutions

What happens to the equilibrium constant if the reaction is reversed?

Step 1: Understand what an equilibrium constant is. It is a number that tells us the ratio of products to reactants at equilibrium for a chemical reaction.
Step 2: Identify the forward reaction. For example, if we have a reaction A + B ⇌ C + D, the equilibrium constant (K_forward) is calculated as K_forward = [C][D] / [A][B].
Step 3: Now, consider the reverse reaction. The reverse reaction would be C + D ⇌ A + B.
Step 4: Write the equilibrium constant for the reverse reaction. It is K_reverse = [A][B] / [C][D].
Step 5: Notice the relationship between K_forward and K_reverse. K_reverse is the reciprocal of K_forward, which means K_reverse = 1 / K_forward.
Step 6: Conclude that when a reaction is reversed, the equilibrium constant for the reverse reaction is the reciprocal of the equilibrium constant for the forward reaction.

Equilibrium Constant – The equilibrium constant (K) quantifies the ratio of products to reactants at equilibrium for a given reaction.
Reversing Reactions – When a chemical reaction is reversed, the roles of reactants and products are switched, affecting the equilibrium constant.
Reciprocal Relationship – The equilibrium constant for the reverse reaction is the reciprocal (1/K) of the equilibrium constant for the forward reaction.

What happens to the equilibrium constant if the reaction is reversed?

What’s inside this PDF?

What happens to the equilibrium constant if the reaction is reversed?

Practice Questions

Questions & Step-by-Step Solutions

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