This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All of the following are conditions for a product to form except A) Collision at correct orientation. B) Proper size of molecules. C) Sufficient kinetic energy. D) Energetic collisionTwo particles will react if they collide with energy kinetic energy in the correct orientation. Show Answer Correct Answer: B) Proper size of molecules. 2. Which of the following is a way that a firm can eliminate a surplus? A) Raise prices. B) Create a new product. C) Offer a sale on the item. D) None of the above. Show Answer Correct Answer: C) Offer a sale on the item. 3. The reaction @@ext\{2NO\} ..... 2(g) ightleftharpoons ext\{N\} ..... 2ext\{O\} ..... 4(g) $ has an equilibrium constant $ $ at a certain temperature. If the initial concentration of $ $ is 0.8 M and no $ $ is present initially, what is the concentration of $ A) 0.2 M. B) 0.4 M. C) 0.6 M. D) 0.8 M. Show Answer Correct Answer: B) 0.4 M. 4. The idea that when a system at equilibrium is stressed, it will react to relieve that stress and return to equilibrium is known as: A) Boyle's Law. B) Le Chatelier's Principle. C) Charles Law. D) Denninger's Law. Show Answer Correct Answer: B) Le Chatelier's Principle. 5. 2A + 3B <$\rightarrow$ 2ABThe forward reaction forms the substance ..... A) A. B) B. C) AB. D) A + B. Show Answer Correct Answer: C) AB. 6. Transfer of thermal energy, in a liquid or gas, in which the warmer substance risesand the cooler substance sinks; forms a current. A) Thermal Energy. B) Conduction. C) Convection. D) Radiation. Show Answer Correct Answer: C) Convection. 7. Calculate the solubility of Ca$_{3}$(PO$_{4}$)$_{2}$(s) (Ksp = 1.3 x 10$^{-32}$) in a 1.0 x 10$^{-2}$ M Ca(NO$_{3}$)$_{2}$ solution. A) 5.7 x 10$^{-14}$ mol/L. B) 6.2 x 10$^{-7}$ mol/L. C) 1.6 x 10$^{-14}$ mol/L. D) 3.16 x 10$^{-12}$ mol/L. Show Answer Correct Answer: A) 5.7 x 10$^{-14}$ mol/L. 8. Orang yang melakukan aktivitas wirausaha yang dicirikan dengan pandai atau berbakat mengenali produk baru, menentukan cara produksi baru, menyusun manajemen operasi untuk pengadaan produk baru, memasarkannya, serta mengatur permodalan operasinya disebut dengan Personal Branding A) Salah. B) Benar. C) All the above. D) None of the above. Show Answer Correct Answer: A) Salah. 9. Point at which supply and demand curve intersect each other A) Price ceiling. B) Excess demand. C) Equilibrium. D) Disequilibrium. Show Answer Correct Answer: C) Equilibrium. 10. Which of the following is the condition needed to establish the equilibrium? A) Constant Temperature. B) Products and reactants should be in constant dynamic motion. C) All reactants and products should be in closed system. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Define chemical equilibrium. A) A reaction is reversible. B) A state where the concentration of the reactants is equal to the concentration of the products. C) A state where the rate of a forward reaction is equal to the rate of the reverse reaction. D) A state where the reaction stops and no further change in concentration occurs. Show Answer Correct Answer: C) A state where the rate of a forward reaction is equal to the rate of the reverse reaction. 12. The concentration of hydronium ions equals A) -10$_{}$$^{pH}$. B) 10$^{-pH}$. C) -10$^{-pH}$. D) 10$^{pH}$. Show Answer Correct Answer: B) 10$^{-pH}$. 13. At equilibrium, the concentrations of the products and reactants are constant over time. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. What is the minimum and maximum value of the investment multiplier?(separate the two answers by a comma or a semicolon) A) 0, 1. B) -1, 1. C) 1, infinity. D) 0, infinity. Show Answer Correct Answer: C) 1, infinity. 15. Which of the following is NOT a condition for Hardy-Weinberg Equilibrium? A) No mutations. B) Random Mating. C) No natural selection. D) Gene flow. Show Answer Correct Answer: D) Gene flow. 16. A larger K means there are ..... products at equilibrium A) More. B) Less. C) All the above. D) None of the above. Show Answer Correct Answer: A) More. 17. Static equilibrium occurs when an object is A) Rotating. B) Translating. C) At rest. D) Rotating and translating. Show Answer Correct Answer: C) At rest. 18. Which of the following best describes Le Chatelier's principle? A) It predicts the direction of a shift in equilibrium when a system is disturbed. B) It states that equilibrium can only be achieved in closed systems. C) It explains the rate of reaction at equilibrium. D) It describes the energy changes during a chemical reaction. Show Answer Correct Answer: A) It predicts the direction of a shift in equilibrium when a system is disturbed. 19. Legal maximum that can be charged for a good. A) Price ceiling. B) Excess demand. C) Equilibrium. D) Disequilibrium. Show Answer Correct Answer: A) Price ceiling. 20. Which of the following statements is true about the equilibrium constant (K ..... eq) for a chemical reaction? A) K eq is always greater than 1 for all reactions. B) K eq is independent of temperature. C) K eq is a measure of the extent of a reaction at equilibrium. D) K eq changes with the concentration of reactants and products. Show Answer Correct Answer: C) K eq is a measure of the extent of a reaction at equilibrium. 21. For the reaction ..... SO$_{2}$ + O$_{2}$ <=> $_{}$SO$_{3}$If the concentration of SO$_{2 }$is increased, the equilibrium position of the reaction 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. 22. Kp is can be found for equilibrium mixtures of: A) Liquids. B) Gases. C) Heterogenous systems. D) Solids. Show Answer Correct Answer: B) Gases. 23. What is the state in which market supply and demand balance each other, and as a result prices become stable? A) Market Price. B) Market Equilibrium. C) Market Disequilibrium. D) None of the above. Show Answer Correct Answer: B) Market Equilibrium. 24. Varignon's theorem is used to find A) Magnitude of Resultant. B) Direction of Resultant. C) Position of Resultant. D) None of the above. Show Answer Correct Answer: C) Position of Resultant. 25. Point at which supply and demand come together A) Price ceiling. B) Excess demand. C) Equilibrium. D) Disequilibrium. Show Answer Correct Answer: C) Equilibrium. ← 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 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 8Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 9Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books