This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Centre of gravity the point in an object where its weight is balanced A) True. B) False. C) None. D) None of the above. Show Answer Correct Answer: A) True. 2. Consumer's equilibrium is maintained at the point where ..... A) Budget line cuts indifference curve. B) Budget line is tangent to indifference curve. C) Budget line is convex to origin. D) Budget line is parallel to indifference curve. Show Answer Correct Answer: B) Budget line is tangent to indifference curve. 3. Consider the following equilibrium system at constant pressure:2SO$_{2}$(g) + O$_{2}$(g) $\Longleftrightarrow$ A) Only. B) Only. C) And (3) only. D) And (3) only. Show Answer Correct Answer: C) And (3) only. 4. If K$_{c}$ is large that means the concentration of the ..... is high and therefore the concencentration of the ..... is low. A) Reactants, products. B) Species, products. C) Products, reactants. D) Species, reactants. Show Answer Correct Answer: C) Products, reactants. 5. If the reaction quotient Q has a smaller value than the related equilibrium constant, K, ..... A) The reaction is at equilibrium. B) The reaction is not at equilibrium, and will make more products at the expense of the reactants. C) The reaction is not at equilibrium, and will make more reactants at the expense of the products. D) The value of K will not increase until it is equal to Q. Show Answer Correct Answer: B) The reaction is not at equilibrium, and will make more products at the expense of the reactants. 6. What is the formula for molarity? A) Moles/grams. B) Moles/kilograms. C) Moles/milliliters. D) Moles/liters. Show Answer Correct Answer: D) Moles/liters. 7. Who defined acids and bases this way:An acid donates a hydrogen ion in a chemical reaction. A) Bronstead-Lowry. B) Lewis. C) Arrhenius. D) 28 more days of school left!. Show Answer Correct Answer: A) Bronstead-Lowry. 8. The type of evolution that Darwin believed in A) Natural selection. B) Gradualism. C) Punctuated equilbrium. D) Commensalism. Show Answer Correct Answer: B) Gradualism. 9. In a closed system, a dynamic equilibrium is established between liquid water and water vapor. What happens if the temperature of the system is increased? A) The equilibrium shifts to favor the formation of more liquid water. B) The equilibrium shifts to favor the formation of more water vapor. C) The equilibrium remains unchanged. D) The system reaches a new equilibrium with equal amounts of liquid and vapor. Show Answer Correct Answer: B) The equilibrium shifts to favor the formation of more water vapor. 10. What are the types of equilibrium?? A) Stable, Instable, Neutral. B) Stable, Neutral, imstable. C) Stable, Unstable, Neutral. D) None. Show Answer Correct Answer: C) Stable, Unstable, Neutral. 11. Two people are pushing a disabled car. One exerts a force of 200 N east, the other a force of 150 N east. What is the net force exerted on the car? A) 50 N east. B) 350 N east. C) 50 N west. D) 350 N west. Show Answer Correct Answer: B) 350 N east. 12. For the reaction ..... N$_{2}$ + O$_{2}$ <=> 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. 13. What is used to measure a consumer's entire satisfaction or happiness of a choice? A) Total utility. B) Marginal cost. C) Marginal utility. D) Total Revenue. E) Total costs. Show Answer Correct Answer: A) Total utility. 14. What is the effect of a catalyst on the equilibrium position of a reaction as shown on a graph? A) Shifts to the right. B) Shifts to the left. C) No effect on equilibrium position. D) Stops the reaction. Show Answer Correct Answer: C) No effect on equilibrium position. 15. What is the relationship between pH and pOH? A) PH / pOH = 1. B) PH *pOH = 14. C) PH + pOH = 14. D) PH-pOH = 14. Show Answer Correct Answer: C) PH + pOH = 14. 16. Determine the concentration of the Ag+ ion in a saturated solution of silver phosphate (Ag$_{3}$PO$_{4}$). The solubility of silver phosphate at 25$^\circ$is 1.6 x 10$^{-5}$ mol/L. A) 1.6 x 10$^{-5}$ M. B) 3.2 x 10$^{-5}$ M. C) 4.8 x 10$^{-5}$ M. D) 6.4 x 10$^{-5 }$M. Show Answer Correct Answer: C) 4.8 x 10$^{-5}$ M. 17. What will happen if some solid AgNO$_{3}$ is added to a saturated solution of AgCl? A) The AgNO$_{3}$ will not dissolve. B) More solid AgCl will dissolve. C) More solid AgCl will produced. D) There will be no effect on AgCl equilibrium. Show Answer Correct Answer: C) More solid AgCl will produced. 18. A chemical reaction in which products can react to re-form reactants is known as a(n) A) Reforming reaction. B) Reversible reaction. C) Buffered reaction. D) Stoichiometric reaction. Show Answer Correct Answer: B) Reversible reaction. 19. How does temperature generally affect the solubility of solids in liquids? A) Solubility decreases with increasing temperature. B) Solubility increases with increasing temperature. C) Temperature has no effect on solubility. D) Solubility first increases then decreases with temperature. Show Answer Correct Answer: B) Solubility increases with increasing temperature. 20. Who was the one who coined the term "utility" ? A) Marshall. B) Karl Marx. C) David Hume. D) John Stuart Mill. Show Answer Correct Answer: A) Marshall. 21. The demand function and supply function for a good in the market are as follows:Qd = 140-10pQs = 20 + 10pWhat is the Qe? A) 80. B) 200. C) 60. D) 220. Show Answer Correct Answer: A) 80. 22. How does a catalyst affect equilibrium? A) It makes the reaction occur faster, and makes the equilibrium shift to make more products. B) It makes the reaction occur faster, but does not shift the placement of the equilibrium. C) It does not change the rate of the reaction, but makes the equilibrium shift to make more products. D) A catalyst has no effect on the rate of a reaction or the placement of the equilibrium. Show Answer Correct Answer: B) It makes the reaction occur faster, but does not shift the placement of the equilibrium. 23. In the context of equilibrium, what does Le Chatelier's principle predict? A) The system will remain unchanged if a stress is applied. B) The system will adjust to minimize the stress applied to it. C) The system will increase the stress applied to it. D) The system will decrease the stress applied to it. Show Answer Correct Answer: B) The system will adjust to minimize the stress applied to it. 24. Le Chatelier's Principle states that if a chemical system at equilibrium is stressed, A) The system will adjust to increase the stress. B) The system will adjust to reduce the stress. C) The system will not adjust. D) None of the above. Show Answer Correct Answer: B) The system will adjust to reduce the stress. 25. What do you call all of the genes in a population? A) Gene pool. B) Relative Frequency. C) Genetic Drift. D) Allele pool. Show Answer Correct Answer: A) Gene pool. ← 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