- The value of K_eq for an exothermic reaction will:
- A) Increase with increasing temperature
- B) Decrease with increasing temperature
- C) Not change with temperature
- D) Be negative
- Answer: B) Decrease with increasing temperature
- A large value of K_eq indicates that:
- A) The reaction is slow
- B) The reaction is fast
- C) The reaction favors products
- D) The reaction favors reactants
- Answer: C) The reaction favors products
- The relationship between K_p and K_c for a gaseous equilibrium is given by:
- A) K_p = K_c
- B) K_p = K_c × (RT)ⁿ
- C) K_p = K_c / (RT)ⁿ
- D) K_p = K_c / (nRT)
- Answer: B) K_p = K_c × (RT)ⁿ
- Le Chatelier’s principle can predict the effect of changes in:
- A) Concentration
- B) Temperature
- C) Pressure
- D) All of the above
- Answer: D) All of the above
- For a given reaction at equilibrium, if more product is added, the equilibrium will:
- A) Shift to the right
- B) Shift to the left
- C) Not change
- D) Increase the reaction rate
- Answer: B) Shift to the left
- Which factor does not affect the equilibrium constant K_eq?
- A) Temperature
- B) Concentration
- C) Pressure
- D) Catalyst
- Answer: D) Catalyst
- For the reaction A + B ⇌ C + D, if the concentration of A is doubled, the equilibrium will:
- A) Shift to the right
- B) Shift to the left
- C) Not change
- D) Stop
- Answer: A) Shift to the right
- When a system at equilibrium is disturbed, the system will:
- A) Return to its original state
- B) Shift to minimize the disturbance
- C) Remain in the disturbed state
- D) Stop reacting
- Answer: B) Shift to minimize the disturbance
