This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When the marginal utility is equal to zero, what will the total utility be? A) Maximum. B) Laws of return. C) Minimum. D) None of the above. Show Answer Correct Answer: A) Maximum. 2. Select the equilibrium constant for the most reactant favored system. A) $3.0\times10^{-3}$. B) $7.0\times10^{-3}$. C) $8.0\times10^{-5}$. D) $2.0\times10^{-5}$. Show Answer Correct Answer: D) $2.0\times10^{-5}$. 3. What does the Hardy-Weinberg equilibrium measure? A) Changes in allele frequencies. B) Numbers of mutations. C) Fitness of organisms. D) Genetic diversity. Show Answer Correct Answer: A) Changes in allele frequencies. 4. This helps to speed up a reaction but does not take part in the chemical reaction. A) Coeffiecents. B) Reactants. C) Catalyst. D) Combustion. Show Answer Correct Answer: C) Catalyst. 5. The slope of budget line is measured by:- A) MRSxy. B) MRTSxy. C) Ratio of the prices of the 2 goods. D) All the above. Show Answer Correct Answer: C) Ratio of the prices of the 2 goods. 6. A presidential candidate promises that if elected, they will ensure that nobody will spend more than 20% of their monthly income on housing. What concept is this candidate promising? A) Housing equilibrium. B) A housing surplus. C) A housing price floor. D) A housing price ceiling. Show Answer Correct Answer: D) A housing price ceiling. 7. For simple support number of unknown reactions A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: A) 1. 8. For the reaction ..... heat + N$_{2}$ + O$_{2}$ <$\rightarrow$ 2NOIf NO is removed from the system, the concentration of N$_{2}$ will ..... A) Increase. B) Decrease. C) Remain the same. D) Double. Show Answer Correct Answer: B) Decrease. 9. With the increase in consumption by one unit of the commodity, TU increases from 150 to 180, then MU is A) 50. B) 1.2. C) 30. D) 0.833. Show Answer Correct Answer: C) 30. 10. Define market equilibrium A) Where quantity demanded is less than quantity supplied. B) Where quantity demanded is greater than quantity supplied. C) Where quantity demanded is equal to quantity supplied. D) None of the above. Show Answer Correct Answer: C) Where quantity demanded is equal to quantity supplied. 11. What will be the solubility product of AX$_{3}$: A) 27S$^{4}$. B) 4S$^{3}$. C) 36S$^{4}$. D) 9S$^{3}$. Show Answer Correct Answer: A) 27S$^{4}$. 12. How might punctuated equilibrium be observed in a real-world scenario? A) A species of plant slowly changes its leaf shape over centuries. B) A sudden appearance of a new species in the fossil record. C) A gradual increase in the size of a mammal species. D) A consistent rate of genetic mutation in a population. Show Answer Correct Answer: B) A sudden appearance of a new species in the fossil record. 13. What is true about chemical equilibrium? A) It is dynamic in nature. B) Rate of forward reaction = Rate of backward reaction at equilibrium. C) Composition of reactants and products do not change on reaching equilibrium. D) All of above. Show Answer Correct Answer: D) All of above. 14. Ordinal utility analysis was developed by:- A) J.R.Hicks & R.J.D. Allen. B) Samualson. C) Marshall and Jevons. D) Slutsky. Show Answer Correct Answer: A) J.R.Hicks & R.J.D. Allen. 15. Which of the following is incorrect? A dynamic equilibrium can be achieved ..... A) From 100% reactants. B) From 100% products. C) In a closed system. D) In an open system. Show Answer Correct Answer: D) In an open system. 16. The collection of all the consumption bundles which costs the consumer exactly equal or strictly less than her money income is called A) Budget Line. B) Budget Set. C) Indifference Map. D) Indifference Curve. Show Answer Correct Answer: B) Budget Set. 17. If the equilibrium constant is much less than one (K << 1) then A) Equilibrium is not established. B) Equilibrium lies to the right (products are favored). C) Equilibrium lies to the left (reactants are favored). D) Neither products or reactants are favored. Show Answer Correct Answer: C) Equilibrium lies to the left (reactants are favored). 18. Bursts of change followed by periods of stability. A) Punctuated equilibrium. B) Gradualism. C) Extinction. D) Speciation. Show Answer Correct Answer: A) Punctuated equilibrium. 19. What is Le Chatelier's principle and how does it relate to chemical equilibrium? A) Le Chatelier's principle is used to calculate the pH of a solution. B) Le Chatelier's principle explains how a system at equilibrium responds to changes in conditions such as temperature, pressure, or concentration. C) Le Chatelier's principle only applies to solid-state reactions. D) Le Chatelier's principle has no relation to chemical equilibrium. Show Answer Correct Answer: B) Le Chatelier's principle explains how a system at equilibrium responds to changes in conditions such as temperature, pressure, or concentration. 20. When rain is accompanied by a thunderstorm, the collected rainwater will have a pH value A) Slightly lower than that of rainwater without a thunderstorm. B) Slightly higher than that when the thunderstorm is not there. C) Uninfluenced by the occurrence of a thunderstorm. D) Which depends on the amount of dust in the air. Show Answer Correct Answer: A) Slightly lower than that of rainwater without a thunderstorm. 21. The allele frequency of p=.20 What is the percentage of recessive genotype? A) .80. B) .04. C) .32. D) .64. Show Answer Correct Answer: D) .64. 22. Activation energy is required to start a chemical reaction. What is activation energy? A) The energy needed for a reaction to occur. B) The minimum amount of energy needed for a reaction to potentially occur. C) The energy added by a catalyst. D) The energy possessed by the products. Show Answer Correct Answer: B) The minimum amount of energy needed for a reaction to potentially occur. 23. In a reversible reaction, what happens if the forward and backward rates are not the same? A) The reaction becomes exothermic. B) The reaction becomes irreversible. C) The reaction reaches equilibrium. D) The reaction stops. Show Answer Correct Answer: C) The reaction reaches equilibrium. 24. Dynamic equilibrium only occurs in closed systems. What does this mean? A) Where there is loss of products. B) Where there is no loss of reactants or products. C) Where there is loss of reactants. D) None of the above. Show Answer Correct Answer: B) Where there is no loss of reactants or products. 25. What is the K$_{sp}$ expression for an ionic compund of BaSO$_{4 }$ A) K$_{sp}$= [Ba$^{2+}$][SO$_{4}$$^{2-}$]. B) K$_{sp}$= [Ba$^{2+}$][4SO$_{4}$$^{2-}$]$^{4}$. C) K$_{sp}$= [Ba$^{2+}$][4SO$_{4}$$^{2-}$]. D) K$_{sp}$= [2Ba$^{2+}$][4SO$_{4}$$^{2-}$]. Show Answer Correct Answer: A) K$_{sp}$= [Ba$^{2+}$][SO$_{4}$$^{2-}$]. ← 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