This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 7 Equilibrium – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 7 Equilibrium Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A situation in which a minimum price is set is referred to as A) A shortage. B) A surplus. C) A price ceiling. D) A price floor. Show Answer Correct Answer: D) A price floor. 2. At equilibrium, rates of the forward and reverse reaction are ..... A) The same. B) Not the same. C) All the above. D) None of the above. Show Answer Correct Answer: A) The same. 3. 8 N to the left, and 4 N to the right. Find the net force. Is this balanced A) 12 N Right No. B) 4 N Left No. C) 12 N Right Yes. D) 4 N Left Yes. Show Answer Correct Answer: B) 4 N Left No. 4. What happens to K if a reaction is reversed? A) K. B) K$^{2}$. C) 2K. D) -K. Show Answer Correct Answer: A) K. 5. Decreasing the volume A) Shift towards the side with LESS moles. B) Shift towards the side with MORE moles. C) Speed up the reaction and shift the equilibrium. D) Speed up the reaction and NOT affect equilibrium. Show Answer Correct Answer: A) Shift towards the side with LESS moles. 6. PH of NaOH solution is 13. The amount of NaOH present in 400 ml of the aqueous solution is A) 4g. B) 8g. C) 16g. D) 1.6g. Show Answer Correct Answer: D) 1.6g. 7. "A point at which entire weight of object concentrated toward the earth" .Identify the concept explained in the statement above. A) Free body diagram. B) Concurrent forces. C) Centre of gravity. D) Rigid body. Show Answer Correct Answer: C) Centre of gravity. 8. A force of 5.0 N is applied at the end of a 0 N lever that has a length of 2.0 meters and is supported on the left end. If the force is applied directly perpendicular to the the lever on its right end, what is the magnitude of the torque acting the lever? A) 2.5 N/m. B) 10. Nm. C) 7.0 Nm. D) 3.0 Nm. Show Answer Correct Answer: B) 10. Nm. 9. Energy from the Sun travels to Earth as A) Conduction. B) Convection. C) Insulation. D) Radiation. Show Answer Correct Answer: D) Radiation. 10. "A body in motion at constant angular velocity will continue in motion at the same angular velocity, unless acted upon by some unbalanced external torque." A) 1st Law of Rotational Motion. B) 2nd Law of Rotational Motion. C) 3rd Law of Rotational Motion. D) Zeroth Law of Rotational Motion. Show Answer Correct Answer: A) 1st Law of Rotational Motion. 11. Which of the following is a conjugate acid/base pair? A) HCl/OCl$^{-}$. B) H$_{2}$SO$_{4}$/SO$_{4}$$^{2-}$. C) NH$_{4}$$^{+}$/NH$_{3}$. D) H$_{3}$O$^{+}$/OH$^{-}$. Show Answer Correct Answer: C) NH$_{4}$$^{+}$/NH$_{3}$. 12. In the context of Le Chatelier's principle, what is the effect of adding more reactants to a system at equilibrium? A) The equilibrium shifts to the right. B) The equilibrium shifts to the left. C) The equilibrium remains unchanged. D) The reaction stops. Show Answer Correct Answer: A) The equilibrium shifts to the right. 13. The displacement of a particle undergoing rectilinear motion along the X-axis is given by x = 2t$^{3}$-21 t$^{2}$+ 60t + 6 metersThe acceleration of the particle, when its velocity is zero, will be A) + 36 m/s$^{2}$. B) -18 m/s$^{2}$. C) + 9 m/s$^{2}$. D) -9 m/s$^{2}$. Show Answer Correct Answer: B) -18 m/s$^{2}$. 14. When Q is greater than K$_{c }$what will happen? A) The [Reactants] will increase and [Products] will decrease. B) The [Reactants] will decrease and [Products] will increase. C) The [Reactants] and [Products] will both increase. D) The [Reactants] and [Products] will both decrease. Show Answer Correct Answer: A) The [Reactants] will increase and [Products] will decrease. 15. In a solution prepared by adding excess PbI$_{2}$(s) [Ksp = 1.4 x 10$^{-8}$] to water, the [I-] at equilibrium is: A) 1.5 x 10$^{-3 }$mol/L. B) 2.4 x 10$^{-3 }$mol/L. C) 1.2 x 10$^{-3 }$mol/L. D) 3.0 x 10$^{-3}$ mol/L. Show Answer Correct Answer: D) 3.0 x 10$^{-3}$ mol/L. 16. Which one of the following activities does not apply the turning effect of a force? A) Swinging on a swing. B) Sliding down a slide. C) Moving up and down on the see-saw. D) Rowing a boat. Show Answer Correct Answer: B) Sliding down a slide. 17. If the price is set above the equilibrium it will lead to ..... A) Excess Demand. B) Excess Supply. C) Equilibrium. D) None of the above. Show Answer Correct Answer: B) Excess Supply. 18. Consider what "Ksp" means.Equilibrium can only be mathematically applied to chemical changes, but not physical changes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. If you place a hot cup of coffee on a cold kitchen counter, which process allows the coffee to cool down as it transfers heat to the counter? A) Conduction. B) Radiation. C) Convection. D) Insulation. Show Answer Correct Answer: A) Conduction. 20. Normative Economics shows A) Actual economic situation. B) Ideal economic situation. C) What is?. D) None of these. Show Answer Correct Answer: B) Ideal economic situation. 21. A situation in which quantity demanded is greater than quantity supplied is A) A shortage. B) A surplus. C) A price floor. D) A price ceiling. Show Answer Correct Answer: A) A shortage. 22. When you place an ice cube in a glass of warm water, how does the thermal energy transfer occur to reach thermal equilibrium? A) Through conduction only. B) Through convection only. C) Through radiation only. D) Through a combination of conduction and convection. Show Answer Correct Answer: D) Through a combination of conduction and convection. 23. What happens to the equilibrium constant $K_c$ A) $K_c$. B) $K_c$. C) $K_c$. D) $K_c$. Show Answer Correct Answer: A) $K_c$. 24. It is a chemical reaction where the reactants form products that, in turn, react together to give the reactants back. A) Reversible reaction. B) Irreversible reaction. C) Decomposition reaction. D) Synthesis. Show Answer Correct Answer: A) Reversible reaction. 25. Two objects have different temperatures. Object A has a temperature of 42 degrees and Object B is 37 degrees. Which direction should the energy transfer between Objects A and B? A) From Object A to Object B. B) From Object B to Object A. C) Energy will not transfer. D) Energy will transfer both directions. Show Answer Correct Answer: A) From Object A to Object B. ← 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