This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An increase in carbon dioxide shifts A) Left (towards reactants). B) Right (towards products). C) Does not affect equilibrium. D) None of the above. Show Answer Correct Answer: B) Right (towards products). 2. A situation in which resources are distributed according to price A) Rationing. B) Black market. C) Supply shock. D) Free market. Show Answer Correct Answer: D) Free market. 3. Given the reaction at equilibrium:2SO$_{2}$(g) +O$_{2}$(g) <$\rightarrow$ 2SO$_{3}$(g) + HEATWhich change will shift the equilibrium to the right? A) Decrease the pressure. B) Increasing the pressure. C) Decreasing the amount of SO$_{2}$(g). D) Decreasing the amount of O$_{2}$(g). Show Answer Correct Answer: B) Increasing the pressure. 4. Adding a catalyst will A) Shift Left (towards reactants). B) Shift Right (towards products). C) Speed up the reaction and shift the equilibrium. D) Speed up the reaction and NOT affect equilibrium. Show Answer Correct Answer: D) Speed up the reaction and NOT affect equilibrium. 5. If a price is below the equilibrium price it creates a ..... A) Shortage. B) Surplus. C) Market price. D) Supply. Show Answer Correct Answer: A) Shortage. 6. Which statement is not correct for a reaction at equilibrium? A) The forward and reverse reactions both continue. B) The rates of the forward and reverse reactions are equal. C) The concentration of the products and reactants are equal. D) All of these statements are correct. Show Answer Correct Answer: C) The concentration of the products and reactants are equal. 7. Configuration entropy in crystalline solids A) Increases if impurity concentration increases. B) Increases if impurity concentration reduces. C) Independent of impurity concentration. D) None of the above. Show Answer Correct Answer: A) Increases if impurity concentration increases. 8. For the reaction $H_2(g) + I_2(g) \rightleftharpoons 2HI(g)$ $K_c$ A) The concentration of $HI$ $H_2$ $I_2$. B) The concentration of $H_2$ $I_2$ $HI$. C) The concentrations of $H_2$ $I_2$ $HI$. D) The reaction does not reach equilibrium. Show Answer Correct Answer: A) The concentration of $HI$ $H_2$ $I_2$. 9. What will be the shape of the Indifference curve when its slope increases? A) Convex to origin. B) Concave to origin. C) Straight line. D) None of these. Show Answer Correct Answer: B) Concave to origin. 10. If acetic acid is mixed with Sodium Acetate then H + Ion concentration will be A) Increase. B) Decrease. C) Remain unchanged. D) PH decreases. Show Answer Correct Answer: C) Remain unchanged. 11. In the reaction @@ext\{N\} ..... 2(g) + 3ext\{H\} ..... 2(g) ightleftharpoons 2ext\{NH\} ..... 3(g)@@, what is the effect of decreasing the volume of the container? A) The equilibrium shifts to the right. B) The equilibrium shifts to the left. C) The equilibrium remains unchanged. D) The reaction stops. Show Answer Correct Answer: A) The equilibrium shifts to the right. 12. Grinding a seltzer tablet into powder increases the rate of reaction due to increased A) Concentration. B) Surface area. C) Temperature. D) Reactants. Show Answer Correct Answer: B) Surface area. 13. Why are you more stable when riding a bicycle at a faster speed? A) You have more mass. B) The wheels have angular momentum. C) It's not easier to ride at a faster speed. D) The bike has more momentum. Show Answer Correct Answer: B) The wheels have angular momentum. 14. A solid sphere rolling without slipping down an incline has: A) Rotational kinetic energy. B) Constant angular momentum. C) Zero external torques. D) Translational kinetic energy. Show Answer Correct Answer: A) Rotational kinetic energy. 15. For the reaction @@ext\{N\} ..... 2(g) + 3ext\{H\} ..... 2(g) ightleftharpoons 2ext\{NH\} ..... 3(g) $, what is the expression for the equilibrium constant $ A) $K_c = \frac{[\text{NH}_3]^2}{[\text{N}_2][\text{H}_2]^3}$. B) $K_c = \frac{[\text{N}_2][\text{H}_2]^3}{[\text{NH}_3]^2}$. C) $K_c = \frac{[\text{NH}_3]}{[\text{N}_2][\text{H}_2]}$. D) $K_c = \frac{[\text{N}_2][\text{H}_2]}{[\text{NH}_3]}$. Show Answer Correct Answer: A) $K_c = \frac{[\text{NH}_3]^2}{[\text{N}_2][\text{H}_2]^3}$. 16. Heat flow from A) Hot object to cold object. B) Cold object to hot object. C) All the above. D) None of the above. Show Answer Correct Answer: A) Hot object to cold object. 17. Among the following acids which have the lowest pKa value? A) CH$_{3}$COOH. B) (CH$_{3}$)$_{2}$CH-COOH. C) HCOOH. D) CH$_{3}$CH$_{2}$COOH. Show Answer Correct Answer: C) HCOOH. 18. It is an implicit agreement between the buyers and the sellers A) Equilibrium. B) Surplus. C) Shortage. D) Waste. Show Answer Correct Answer: A) Equilibrium. 19. What is a waste? A) The price set by the supplier is higher than the price that the consumers are willing to pay at a given quantity. B) The price set by the supplier is lesser than the price that the consumers are willing to pay at a given quantity. C) All the above. D) None of the above. Show Answer Correct Answer: A) The price set by the supplier is higher than the price that the consumers are willing to pay at a given quantity. 20. What does the equilibrium constant ( $K_{eq}$ A) The rate at which reactants are converted into products. B) The ratio of the concentration of products to reactants at equilibrium. C) The speed at which equilibrium is reached. D) The temperature dependence of the reaction. Show Answer Correct Answer: B) The ratio of the concentration of products to reactants at equilibrium. 21. How many types of equilibrium A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 22. Which decreases first as more of a good is consumed? A) Total utility. B) Average utility. C) Marginal utility. D) Marginal physical product. Show Answer Correct Answer: C) Marginal utility. 23. Which of the following is an electrolyte? A) C$_{6}$H$_{12}$O$_{6}$. B) MgS. C) NaOH. D) Urea (CO(NH$_{2}$)$_{2}$. Show Answer Correct Answer: C) NaOH. 24. An equilibrium constant with a large magnitude indicates ..... A) A very fast reaction. B) More products at equilibrium. C) More reactants at equilibrium. D) Nothing, without considering the stoichiometry of the reaction. Show Answer Correct Answer: B) More products at equilibrium. 25. Values of the supply schedule are shown graphically in the A) Supply schedule. B) Equilibrium point. C) Demand curve. D) Supply curve. Show Answer Correct Answer: D) Supply curve. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 1Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 2Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 3Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 5Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 6Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 7Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 8Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 9Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 10Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books