This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Want satisfying power of a commodity is called A) Utility. B) Demand. C) Consumers equilibrium. D) None of these. Show Answer Correct Answer: A) Utility. 2. A consumer reaches equilibrium when:- A) Marginal utility is equal to price. B) Marginal utility greater than price. C) Marginal utility less than price. D) Total utility is equal. Show Answer Correct Answer: A) Marginal utility is equal to price. 3. As more of a good is consumed, total utility A) Increases. B) Decreases. C) Remains the same. D) Becomes negative and then turns positive. Show Answer Correct Answer: A) Increases. 4. Chemical equilibrium refers to the state of a system in which the concentration of the reactant and the concentration of the products do not change with time, and the system does not display any further change in properties. What is the principle related to chemical equilibrium? A) Mandeleev principle. B) Arrhenius theory. C) Le Chatelier. D) Dalton principle. Show Answer Correct Answer: C) Le Chatelier. 5. If the concentration of a reactant is increased then equilibrium shifts in A) Forward direction. B) Backward direction. C) Forward direction for endothermic reaction. D) Backward direction for endothermic reaction. Show Answer Correct Answer: A) Forward direction. 6. What effect does adding heat to a reversible reaction have on the position of equilibrium? A) It shifts to the left. B) It shifts to the right. C) It has no effect. D) It stops the reaction. Show Answer Correct Answer: B) It shifts to the right. 7. In punctuated equilibrium, what typically follows a period of rapid evolutionary change? A) A long period of stasis. B) Immediate extinction. C) Continuous rapid change. D) Reversal to previous traits. Show Answer Correct Answer: A) A long period of stasis. 8. AS is A) Perfectly Elastic. B) Perfectly Inelastic. C) Elastic. D) Inelastic. Show Answer Correct Answer: A) Perfectly Elastic. 9. For the reaction ..... heat + N$_{2}$ + O$_{2}$ <$\rightarrow$ 2NOIf O$_{2}$ is removed, the concentration of N$_{2}$ will ..... A) Increase. B) Decrease. C) Remain the same. D) Double. Show Answer Correct Answer: A) Increase. 10. Which of the following best describes the concept of punctuated equilibrium in evolutionary biology? A) A theory that evolution occurs in small, gradual steps over time. B) A theory that species remain stable for long periods and undergo rapid changes in short bursts. C) A theory that all species evolve at a constant rate. D) A theory that evolution is driven solely by environmental changes. Show Answer Correct Answer: B) A theory that species remain stable for long periods and undergo rapid changes in short bursts. 11. Ionic product of water increases if A) Pressure is reduced. B) H + is added. C) OH-is added. D) Temperature is increased. Show Answer Correct Answer: D) Temperature is increased. 12. Which of the following is true if the value of the equilibrium constant, K, is greater than 1 A) Products are favored over reactants. B) Reactants are favored over products. C) Reactants and products are equally favored. D) None of the above. Show Answer Correct Answer: A) Products are favored over reactants. 13. In a saturated solution of calcium sulfate, what happens if more calcium ions are added? A) The solution becomes unsaturated. B) The solution remains unchanged. C) Calcium sulfate precipitates out of the solution. D) The solubility of calcium sulfate increases. Show Answer Correct Answer: C) Calcium sulfate precipitates out of the solution. 14. What is the way heat moves through liquids and gases called? A) Convection. B) Radiation. C) Conduction. D) None of the above. Show Answer Correct Answer: A) Convection. 15. What does the variable q represent? A) Frequency of the heterozygote genotype. B) Frequency of the homozygous recessive genotype. C) The frequency of the recessive allele. D) The frequency of the dominant allele. Show Answer Correct Answer: C) The frequency of the recessive allele. 16. If I make a solution by adding water to 27.72 g of methanol (CH$_{3}$OH) until the final volume of the solution is 275 mL, what is the molarity of methanol in this solution? A) 5.66 M CH$_{3}$OH. B) 3.13 M CH$_{3}$OH. C) 0.77 M CH$_{3}$OH. D) 2.19 M CH$_{3}$OH. Show Answer Correct Answer: B) 3.13 M CH$_{3}$OH. 17. Which of the following is characteristics of utility A) Utility is a psychological concept. B) Utility is subjective. C) Utility is a relative concept. D) All of these. Show Answer Correct Answer: D) All of these. 18. The following reaction:SO$_{2 (g)}$ + NO$_{2 (g)}$ <=> SO$_{3 (g)}$ + NO (g) had reached a state of equilibrium, was found to contain 0.40 mol L$^{-1}$ SO$_{3}$, and 0.30 mol L$^{-1}$ NO, 0.15 mol L$^{-1}$NO$_{2}$, and 0.20 mol L$^{-1}$ SO$_{2}$. Calculate the equilibrium constant for this reaction. A) 4. B) .42. C) .25. D) 1. Show Answer Correct Answer: A) 4. 19. What is the unit for the rate constant (k) for 2$^{nd }$order reactions? A) S$^{-1}$. B) M/s. C) M$^{-1}$s$^{-1}$. D) None of the above. Show Answer Correct Answer: C) M$^{-1}$s$^{-1}$. 20. Located on the left side of the reaction A) Reactants. B) Products. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reactants. 21. Which of the following is true if consuming one unit of good yields 100 utils and consuming the second unit of the good increases satisfaction by 20 utils? A) The marginal utility of the first unit is 20. B) The marginal utility of the second unit is 80. C) The marginal utility of the second unit is 120. D) The total utility of consuming two units is 120. Show Answer Correct Answer: D) The total utility of consuming two units is 120. 22. Which of these best defines equilibrium in a market? A) A situation in which quantity supplied is greater than quantity demanded. B) A situation in which quantity demanded is greater than quantity supplied. C) A situation in which quantity supplied and quantity demanded are equal. D) A situation where a minimum price is set. Show Answer Correct Answer: C) A situation in which quantity supplied and quantity demanded are equal. 23. The demand function and supply function for a good in the market are as follows:Qd = 140-10pQs = 20 + 10pWhat is the Pe? A) Rm60. B) Rm80. C) Rm8. D) Rm6. Show Answer Correct Answer: D) Rm6. 24. The force from a cable or string is A) Normal force. B) Weight. C) Tension. D) Scale. Show Answer Correct Answer: C) Tension. 25. What happens if there is surplus? A) Sellers offer their products by lowering the price. B) Sellers offer their products by raising the price. C) Buyers are easy to find. D) Sellers stick to the price they are offering. Show Answer Correct Answer: A) Sellers offer their products by lowering the price. ← 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books