This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Chemistry Part I > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 13 (22 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following statements best describes a system at chemical equilibrium? A) The concentrations of reactants and products are equal. B) The forward and reverse reactions have stopped. C) The rates of the forward and reverse reactions are equal. D) The concentration of products is higher than that of reactants. Show Answer Correct Answer: C) The rates of the forward and reverse reactions are equal. 2. Indifference curve is a various combination of A) One commodity. B) Four commodities. C) Two commodities. D) Three commodities. Show Answer Correct Answer: C) Two commodities. 3. A catalyst can speed up the reaction by providing alternative pathway with lower activation energy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. In one commodity case the marginal utility curve slopes downward from A) Right to left. B) Left to right. C) Straight line. D) None of the above. Show Answer Correct Answer: B) Left to right. 5. 2A + 3B <$\rightarrow$ 2ABThe forward reaction points towards the ..... A) Down. B) Left. C) Up. D) Right. Show Answer Correct Answer: D) Right. 6. In a reversible reaction, which direction will the equilibrium shift if more products are formed? A) To the left. B) To the right. C) It will not shift. D) It will stop reacting. Show Answer Correct Answer: B) To the right. 7. What is represented by the vertical axis in a chemical equilibrium graph? A) Time. B) Temperature. C) Concentration. D) Pressure. Show Answer Correct Answer: C) Concentration. 8. Apa tema warna EQUITALK tahun ini? A) Pink. B) Biru Tua. C) Oranye. D) Ungu. Show Answer Correct Answer: B) Biru Tua. 9. If the price of good x shown on x-axis falls then budget line will:- A) Rotate to the right on the x axis. B) Shift to the right. C) Shift to the left. D) Rotate to the left on the x. Show Answer Correct Answer: A) Rotate to the right on the x axis. 10. Which of the following changes will not affect the position of equilibrium in the reaction? A) Increasing the pressure. B) Adding a catalyst. C) Increasing the concentration of. D) Decreasing the temperature. Show Answer Correct Answer: B) Adding a catalyst. 11. For the reaction ..... N$_{2}$ + O$_{2}$ <=> 2NO:$\Delta$ H = +182 kJ mol$^{-1}$. (Forward reaction is endothermic)If the temperature is increased the equilibrium position will shift ..... A) To the left. B) To the right. C) To the left and right. D) Neither left nor right. Show Answer Correct Answer: B) To the right. 12. When the system X + 2 Y <=> Z has reached equilibrium, which of the following is TRUE? A) Forward reaction and Backward reaction stop. B) Forward reaction has sped up and backward reaction has slowed down. C) Forward and backward reactions occur at the same rate. D) Forward reaction has slowed down and backward reaction has sped up. Show Answer Correct Answer: C) Forward and backward reactions occur at the same rate. 13. A disk is rotating with a constant angular velocity. If a force is applied at the edge of the disk, perpendicular to the radius, what happens to the disk? A) It will stop rotating. B) It will maintain its angular velocity. C) It will rotate slower. D) It will rotate faster. Show Answer Correct Answer: D) It will rotate faster. 14. If a reversible reaction is exothermic in the forward direction, it will be ..... A) Not involve energy in reverse direction. B) Endothermic in the reverse direction. C) Exothermic in the reverse direction. D) Endothermic in the forward direction too. Show Answer Correct Answer: B) Endothermic in the reverse direction. 15. Shift right means (reactant + reagent $\rightarrow$ products) A) Towards products. B) Want to make more reactants. C) Toward reactants. D) None of the above. Show Answer Correct Answer: A) Towards products. 16. If body is in equilibrium under two forces then ..... A) Both will have equal magnitude. B) Both will have opposite direction. C) Both will lie along same line. D) All of above conditions should be satisfied. Show Answer Correct Answer: D) All of above conditions should be satisfied. 17. A consumer attains equilibrium in case of one commodity, when A) The marginal utility per unit of currency spent is equalized. B) The total utility is maximized. C) The consumer has no preferences for the commodity. D) The price of the commodity is minimized. Show Answer Correct Answer: A) The marginal utility per unit of currency spent is equalized. 18. Le Chatelier's Principle states that ..... If a (dynamic) equilibrium is disturbed by changing the conditions, the position of equilibrium ..... A) Moves to increase the change. B) Moves to counteract the change. C) Does not change. D) None of the above. Show Answer Correct Answer: B) Moves to counteract the change. 19. Berdasarkan postingan perkenalan Bli Monez di IG EQUITALK, mana yang bukan merupakan brand dan perusahaan yang diajak kerjasama oleh Bli Monez A) Apple. B) Starbucks. C) Aqua. D) Adidas. Show Answer Correct Answer: D) Adidas. 20. What is Le Chatelier's principle? A) Principle that states a system at equilibrium will never shift. B) Principle that states a system at equilibrium will only shift if the disturbance is very large. C) Principle that states a system at equilibrium will shift to counteract a disturbance. D) Principle that states a system at equilibrium will shift in the same direction as the disturbance. Show Answer Correct Answer: C) Principle that states a system at equilibrium will shift to counteract a disturbance. 21. Which of the following is another name for excess supply? A) Surplus. B) Disequilibrium. C) Shortage. D) Equilibrium. Show Answer Correct Answer: A) Surplus. 22. A vessel at 1000 K contains CO$_{2 }$with a pressure of 0.5 atm. Some of the CO$_{2}$ is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K is A) 0.3 atm. B) 0.18 atm. C) 3 atm. D) 1.8 atm. Show Answer Correct Answer: D) 1.8 atm. ← PreviousRelated QuizzesScience QuizzesClass 11 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 4Class 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books