This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Spontaneous reactions may be extremely slow. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. Which of the following is correct in terms of increasing work done for the same initial and final state? A) Adiabatic < Isothermal < Isobaric. B) Isobaric < Adiabatic < Isothermal. C) Adiabatic < Isobaric < Isothermal. D) None of these. Show Answer Correct Answer: A) Adiabatic < Isothermal < Isobaric. 3. In a closed system, if the internal energy decreases by 50 J and the system does 30 J of work, what is the amount of heat exchanged? A) 20 J absorbed. B) 20 J released. C) 80 J absorbed. D) 80 J released. Show Answer Correct Answer: B) 20 J released. 4. Which process is accompanied by a decrease in entropy? A) Boiling of water. B) Condensing of water vapor. C) Subliming of iodine. D) Melting of ice. Show Answer Correct Answer: B) Condensing of water vapor. 5. Aarav is studying the principles of thermodynamics in his physics class. According to the Kelvin Planck statement, a heat engine must transfer ..... with two thermal energy reservoirs. A) Light. B) Electricity. C) Heat. D) Work. Show Answer Correct Answer: C) Heat. 6. Identify the incorrect statement among the following.-A:Gibbs Free Energy change is negative for spontaneous reactions at constant temperature and pressure.-B:It's a thermodynamic potential that measures the maximum reversible work a thermodynamic system can perform.-C:The increase in Gibbs Free Energy of a system is directly proportional to the increase in its entropy. A) A. B) B. C) C. D) None of the above. Show Answer Correct Answer: C) C. 7. If Cp= 10 j/k . And the temperature is raised from 100 k to 400 k. What will be the change in internal energy?( Approximately A) 600 joule. B) 6kj. C) 60 kj. D) 60000 j. Show Answer Correct Answer: B) 6kj. 8. The enthalpy change per degree rise of temperature A) Heat capacity at constant volume. B) Heat capacity at constant pressure. C) Heat capacity at constant temperature. D) All the above. Show Answer Correct Answer: B) Heat capacity at constant pressure. 9. A pure substance is one that has even though thereis a change of phase A) A homogeneous. B) A homogeneous and invariable chemical composition. C) Invariable chemical composition. D) None of the above. Show Answer Correct Answer: B) A homogeneous and invariable chemical composition. 10. Two bodies are said to be in thermal equilibrium when ..... A) No transfer of heat takes place when they are are placed in contact. B) Heat get transferred from body at higher temperature to body at lower temperature. C) Heat get transferred from body at lower temperature to body at higher temperature. D) None of the above. Show Answer Correct Answer: A) No transfer of heat takes place when they are are placed in contact. 11. The amount of heat required to change the temperature of one unit of mass by 1$^\circ$C. A) Thermal energy. B) Absolute zero. C) Specific heat capacity. D) None of the above. Show Answer Correct Answer: C) Specific heat capacity. 12. Which of the following occurs without a change in the internal energy? A) Isochoric process. B) Isenthalpic process. C) Steady-state process. D) Isobaric process. Show Answer Correct Answer: C) Steady-state process. 13. For endothermic reaction enthalpy change is A) Positive. B) Negative. C) 0. D) None of these. Show Answer Correct Answer: A) Positive. 14. The ..... law of thermodynamics states the entropy of a system not in thermal equilibrium increases. A) First. B) Second. C) Third. D) Zeroeth. Show Answer Correct Answer: B) Second. 15. Which law of thermodynamics states that absolute zero cannot be reached? A) 1st. B) 2nd. C) 3rd. D) None of the above. Show Answer Correct Answer: C) 3rd. 16. UFP in Celsius scale is A) 100$^{0 }$C. B) 0$^{0 }$C. C) 180$^{0}$ C. D) 32$^{0}$ C. Show Answer Correct Answer: A) 100$^{0 }$C. 17. The value of universal gas constant is ..... A) 8.2353. B) 8.3143. C) 8.5123. D) None of the mentioned. Show Answer Correct Answer: B) 8.3143. 18. A 1.00-kg block of ice at 0$^\circ$C is melted and converted to water at 0$^\circ$C. What is its change in entropy? A) 1, 222.8 J. B) 12, 228 J. C) 122, 280 J. D) 1.22 x 10$^{7}$ J. Show Answer Correct Answer: A) 1, 222.8 J. 19. Which of the following situations demonstrates high entropy? A) Water freezing. B) Water vaporizing. C) Steam condensing to water. D) None of the above. Show Answer Correct Answer: B) Water vaporizing. 20. What does "q" mean? A) A measure of heat energy. B) A change in heat energy. C) A measure of kinetic energy. D) A change in temperature. Show Answer Correct Answer: B) A change in heat energy. 21. Whenever a system undergoes either a change in state or an energy or mass transfer at a steady state, it is said to undergo A) Achange of state. B) A process. C) A steady state transfer. D) An equilibrium. E) A thermodynamic change. Show Answer Correct Answer: B) A process. 22. First law of thermodynamics furnishes the relationship between A) Heat and work. B) Heat, work and properties of the system. C) Heat and internal energy. D) Various properties of the system. Show Answer Correct Answer: B) Heat, work and properties of the system. 23. In the polytropic process pvn = Constant if n = 1 the process is termed as A) Constant volume. B) Constant pressure. C) Constant temperature. D) Adiabatic. E) Isothermal. Show Answer Correct Answer: C) Constant temperature. 24. When the temperature of matter increases the particles ..... A) Speed up and move closer. B) Speed up and move farther apart. C) Slow down and move closer together. D) Slow down and move farther apart. Show Answer Correct Answer: B) Speed up and move farther apart. 25. The energy stored within a body or substance by the virtue of the activity and configuration of its molecules and of the vibration of atoms within the molecules A) Potential Energy. B) Internal Energy. C) Kinetic Energy. D) Heat. Show Answer Correct Answer: B) Internal Energy. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 1Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 2Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 3Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 4Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 5Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 6Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 7Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 8Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 10Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books