This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a firm can use the same resources to produce goods A and B and good A is selling at a higher price, what will happen to the supply of good B? A) It will decrease. B) It will increase. C) It will not change. D) None of the above. Show Answer Correct Answer: A) It will decrease. 2. 2A + 3B <$\rightarrow$ 2ABThe reverse reaction forms the substance ..... A) A. B) B. C) AB. D) A + B. Show Answer Correct Answer: D) A + B. 3. What conditions that must be met in order for a chemical reaction to take place? A) Collisions with the proper orientation. B) Sufficient activation energy. C) Appropriate coefficient of friction. D) Both collisions with the proper orientation and sufficient energy. Show Answer Correct Answer: D) Both collisions with the proper orientation and sufficient energy. 4. What symbol shows that a reaction is reversible? A) $\leftarrow$. B) $\rightarrow$. C) $\leftrightarrow$. D) $=$. Show Answer Correct Answer: C) $\leftrightarrow$. 5. Dynamic equilibrium:An object experiencing balanced forces while at a constant velocity A) True. B) False. C) No answer. D) None of the above. Show Answer Correct Answer: A) True. 6. A population is in Hardy-Weinberg equilibrium. The gene of interest has two alleles, with 16% of the population portraying the recessive phenotype. Which percentage of the population is heterozygous? A) 48%. B) 36%. C) 16%. D) 24%. Show Answer Correct Answer: A) 48%. 7. If the equilibrium constant is less than 1, it means that A) Products are favored. B) Reactants are favored. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reactants are favored. 8. What is meant by the "entropy" of a system? A) Entropy refers to the quickness with which a system will reach equilibrium. B) Entropy refers to the degree of disorder in the system. C) Entropy refers to the average kinetic energy of the particles in a system. D) Entropy refers to the total amount of energy in the system. Show Answer Correct Answer: B) Entropy refers to the degree of disorder in the system. 9. Discuss the factors that can affect the equilibrium of a chemical reaction. A) Color of the reactants. B) Size of the reaction vessel. C) Time of day. D) Concentration, temperature, pressure, and catalysts. Show Answer Correct Answer: D) Concentration, temperature, pressure, and catalysts. 10. Which of the following is a Lewis acid? A) NaH. B) NF$_{3}$. C) PH$_{3}$. D) B(CH$_{3}$)$_{3}$. Show Answer Correct Answer: D) B(CH$_{3}$)$_{3}$. 11. Angle made by resultant of normal reaction and frictional force with vertical is called as ..... A) Angle of friction. B) Angle of repose. C) Both a & b. D) None of the above. Show Answer Correct Answer: A) Angle of friction. 12. In the thermal decomposition of hydrated copper sulfate, which direction is the forward reaction? A) It depends on the temperature. B) Exothermic. C) It does not have a direction. D) Endothermic. Show Answer Correct Answer: D) Endothermic. 13. If the wage rate of workers producing a good decreases, then which of the following will most likely occur? A) The demand curve will shift to the right. B) The supply of the good will increase. C) The quantity supplied of the good will decrease. D) Demand for the good will increase. E) Quantity demanded for the good will decrease. Show Answer Correct Answer: B) The supply of the good will increase. 14. Consumer equilibrium is A) MUx = price of X. B) MUx >Px. C) MUX D) All of the above. Show Answer Correct Answer: A) MUx = price of X. 15. For the following equilibrium reaction:N$_{2 }$(g) + 3 H$_{2}$ (g) <==> 2 NH$_{3}$ (g) $\Delta$H=-386 kJ/molPredict the direction that the reaction will proceed, or shift, if ..... NH$_{3}$ is removed A) Right. B) Left. C) No effect. D) None of the above. Show Answer Correct Answer: A) Right. 16. Ammonia gas dissolves in water to give NH4OH. In this reaction water acts as A) A conjugate base. B) A base. C) A salt. D) An acid. Show Answer Correct Answer: D) An acid. 17. An equilibrium constant, K$_{eq}$ is defined as A) Product concentrations-reactant concentrations. B) Reactant concentrations-product concentrations. C) [reactant] / [product]. D) [product] / [reactant]. Show Answer Correct Answer: D) [product] / [reactant]. 18. Which of the following statements is true about the effect of temperature on chemical equilibrium? A) Increasing temperature always shifts the equilibrium to the right. B) Decreasing temperature always shifts the equilibrium to the left. C) Increasing temperature favors the endothermic reaction direction. D) Temperature has no effect on chemical equilibrium. Show Answer Correct Answer: C) Increasing temperature favors the endothermic reaction direction. 19. Which of the following is true if the value of the equilibrium constant, K, is less 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: B) Reactants are favored over products. 20. 64% of the population has the recessive phenotype. What is the percentage of the recessive genotype? A) .04. B) .32. C) .64. D) .2. E) .8. Show Answer Correct Answer: C) .64. 21. In a spontaneous process, the free energy A) Increases. B) Decreases. C) Remain the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 22. Angle made by the plane with horizontal at which body is in impending motion is called as ..... A) Angle of friction. B) Angle of repose. C) Both a & b. D) None of the above. Show Answer Correct Answer: B) Angle of repose. 23. The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature. A) Thermal Energy. B) Cooler to Warmer. C) Energy Transfer. D) Thermal Equilibrium. Show Answer Correct Answer: D) Thermal Equilibrium. 24. If the Q < K, ..... A) The reaction is at equilibrium and no change will occur. B) The reaction is not at equilibrium, reaction shift to the right and will make more products. C) The reaction is not at equilibrium, reaction shift to the left and will make more reactants. D) The value of K will increase until it is equal to Q. Show Answer Correct Answer: B) The reaction is not at equilibrium, reaction shift to the right and will make more products. 25. Indifference map is the set of A) Indifference Set. B) Both of these. C) Indifference curve. D) None of the Above. Show Answer Correct Answer: C) Indifference 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 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