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If the temperature of an exothermic reaction is increased, what is the expected

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Question: If the temperature of an exothermic reaction is increased, what is the expected effect on the equilibrium?

Options:

  1. Shifts to the right
  2. Shifts to the left
  3. No effect
  4. Reaction rate increases

Correct Answer: Shifts to the left

Solution: 

For an exothermic reaction, increasing the temperature shifts the equilibrium to the left, favoring the reactants, as the system tries to absorb the added heat.

If the temperature of an exothermic reaction is increased, what is the expected

Practice Questions

Q1
If the temperature of an exothermic reaction is increased, what is the expected effect on the equilibrium?
  1. Shifts to the right
  2. Shifts to the left
  3. No effect
  4. Reaction rate increases

Questions & Step-by-Step Solutions

If the temperature of an exothermic reaction is increased, what is the expected effect on the equilibrium?
  • Step 1: Understand what an exothermic reaction is. It is a reaction that releases heat.
  • Step 2: Know that in a chemical reaction, there is a balance between reactants (starting materials) and products (end materials). This balance is called equilibrium.
  • Step 3: Recognize that temperature changes can affect this balance. Increasing the temperature adds heat to the system.
  • Step 4: Remember that the system will try to counteract the added heat. For an exothermic reaction, this means it will favor the reactants to absorb the extra heat.
  • Step 5: Conclude that increasing the temperature shifts the equilibrium to the left, meaning more reactants are formed and fewer products.
  • 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.
  • Exothermic Reactions – In exothermic reactions, heat is released, and the reaction can be represented as: Reactants ⇌ Products + Heat.
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