Exam-Style Online Test | Class 11 Chemistry: Thermodynamics
GK Aim: A Treasure of MCQs

Class 11 Chemistry — Chapter 6: Thermodynamics Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Chemistry: Thermodynamics Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. Using formation enthalpies , , , compute for .

2 / 20

2. One mole of an ideal gas expands isothermally and reversibly at 300 K from 5.0 L to 15.0 L. What is the work done by the gas?

3 / 20

3. The second law of thermodynamics can be expressed in terms of entropy as:

4 / 20

4. Which condition represents equilibrium between spontaneous and non-spontaneous behavior?

5 / 20

5. Which of the following statements is correct about average bond enthalpy?

6 / 20

6. The enthalpy of formation of CO₂ is –393.5 kJ/mol and that of CO is –110.5 kJ/mol. What is the enthalpy change for oxidation of CO to CO₂?

7 / 20

7. For the reaction , the heat of neutralization is approximately:

8 / 20

8. If for air, what is ?

9 / 20

9. What is the difference between specific heat capacity and molar heat capacity?

10 / 20

10. Which statement about enthalpy is correct?

11 / 20

11. Which pair below includes only state functions?

12 / 20

12. Which of the following correctly differentiates extensive from intensive properties?

13 / 20

13. During the compression of a gas in a closed cylinder, which of the following statements is true?

14 / 20

14. In thermodynamics, which statement about a closed system is always true?

15 / 20

15. In an isothermal process, which of the following remains constant?

16 / 20

16. In thermodynamics, what are state variables?

17 / 20

17. In the equation , a negative value of ( w ) indicates that:

18 / 20

18. When a system absorbs heat, the sign of q according to chemistry convention is:

19 / 20

19. In the equation , what does each term represent?

20 / 20

20. Consider the reaction: . The standard enthalpy of formation of water is –286 kJ mol⁻¹. What is ΔH°rxn?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Thermodynamics Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. In a reaction where Δn = 0 (no change in moles of gas), what can be said about ΔH and ΔU?

2 / 30

2. Which of the following is true for entropy at absolute zero according to the third law?

3 / 30

3. In a process, the internal energy of a gas increases by 800 J while it performs 200 J of work on surroundings. What is the heat absorbed by the system?

4 / 30

4. Which of the following reactions can be used to illustrate Hess’s law?

5 / 30

5. Which of the following quantities is a state function?

6 / 30

6. What is the expression for entropy change (ΔS) in a reversible process?

7 / 30

7. In thermodynamics, what are state variables?

8 / 30

8. Which statement correctly distinguishes intensive from extensive properties?

9 / 30

9. Which of the following best defines the system in thermodynamics?

10 / 30

10. Which property is necessarily constant for any closed system undergoing any process?

11 / 30

11. Which property cannot be determined without the third law of thermodynamics?

12 / 30

12. For a closed system at constant pressure, the heat exchanged is related to enthalpy by which expression?

13 / 30

13. Hess’s law can also be applied in determining which other thermodynamic function besides ΔH?

14 / 30

14. When ΔG = 0, what does it signify?

15 / 30

15. For a gas compressed from 8.0 L to 3.0 L against an external pressure of 1.5 atm, what is the sign of work and its magnitude?

16 / 30

16. Which of the following correctly expresses the entropy at 0 K for a perfect crystal?

17 / 30

17. The standard enthalpy of reaction can be expressed as:

18 / 30

18. What is the relationship between Gibbs free energy, enthalpy, and entropy?

19 / 30

19. What is the general relation between enthalpy change (ΔH) and internal energy change (ΔU)?

20 / 30

20. Hess’s law helps to determine which of the following?

21 / 30

21. What does the First Law of Thermodynamics state?

22 / 30

22. A gas expands from 4.0 L to 10.0 L against a constant external pressure of 2.0 atm. What is the work done by the gas?

23 / 30

23. Which of the following is not a state function?

24 / 30

24. Which condition is necessary for a reaction to be spontaneous in the forward direction?

25 / 30

25. Why is the N≡N bond in nitrogen gas so stable?

26 / 30

26. Which of the following sets contains only intensive properties?

27 / 30

27. Which device operates based primarily on heat transfer between two bodies?

28 / 30

28. Which of the following statements correctly describes heat transfer?

29 / 30

29. What is meant by the term heat of hydration?

30 / 30

30. Which of the following quantities is a state function related to the First Law?

Please provide information to view your result.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

0%

Class 11 Chemistry: Thermodynamics Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Why is greater than for gases?

2 / 50

2. Which of the following represents a correct relation between state functions?

3 / 50

3. Why is internal energy considered a state function, but work is not?

4 / 50

4. Which of the following statements correctly describes entropy?

5 / 50

5. The boundary of a thermos flask containing hot tea can be considered as:

6 / 50

6. Which of the following equations represents an adiabatic process?

7 / 50

7. The heat of solution of NH₄NO₃ in water is positive because:

8 / 50

8. Why is the bond enthalpy of O=O lower than that of N≡N?

9 / 50

9. When a gas expands reversibly and isothermally, the work done can be expressed as:

10 / 50

10. When a system absorbs heat, the sign of q according to chemistry convention is:

11 / 50

11. Which of the following is NOT a type of thermodynamic system?

12 / 50

12. Which of the following is not a correct example of a system?

13 / 50

13. For a reaction with and , the process will be spontaneous when:

14 / 50

14. The average bond enthalpy of O–H in H₂O is 463 kJ/mol. What is the total energy required to dissociate one mole of H₂O(g) into atoms?

15 / 50

15. The standard enthalpy of combustion is defined as:

16 / 50

16. When a hot metal rod is placed in cold water, heat transfer continues until:

17 / 50

17. If ΔH = –100 kJ and ΔS = +200 J/K, at what temperature does the reaction become spontaneous?

18 / 50

18. What does the First Law of Thermodynamics state?

19 / 50

19. Which of the following statements correctly describes heat transfer?

20 / 50

20. Which of the following represents the correct equation for the standard heat of combustion of methane?

21 / 50

21. Which expression links enthalpy change of an ideal gas to temperature at constant pressure?

22 / 50

22. What is an isolated system in thermodynamics?

23 / 50

23. The standard heat of formation of any element in its most stable form is:

24 / 50

24. What does the term pressure–volume (P–V) work represent in thermodynamics?

25 / 50

25. Which of the following best defines the system in thermodynamics?

26 / 50

26. Why is lattice enthalpy important in thermodynamics?

27 / 50

27. Which of the following statements about entropy at 0 K is true?

28 / 50

28. What is an imaginary boundary in thermodynamics?

29 / 50

29. Which of the following is not a closed system?

30 / 50

30. If a chemical reaction has ΔH = –150 kJ and ΔS = +0.1 kJ/K, what will be the sign of ΔG at 298 K?

31 / 50

31. Which of the following has the greatest increase in entropy?

32 / 50

32. Which of the following is true according to Hess’s law?

33 / 50

33. Why are industrial chemical reactors considered open systems?

34 / 50

34. What is the term used for the remaining entropy in a substance due to disorder at 0 K?

35 / 50

35. In an isothermal reversible expansion of an ideal gas, the entropy change of the system is:

36 / 50

36. In chemistry, “standard conditions” for thermodynamic data typically refer to which set?

37 / 50

37. Which statement about standard state for a gas is correct in this context?

38 / 50

38. A gas expands from 4.0 L to 10.0 L against a constant external pressure of 2.0 atm. What is the work done by the gas?

39 / 50

39. According to the third law, what is the entropy of an imperfect crystal at 0 K?

40 / 50

40. What is the standard enthalpy of formation of an element in its most stable form at 298 K and 1 atm?

41 / 50

41. Which of the following correctly expresses the difference between molar heat capacities and ?

42 / 50

42. What is meant by the standard heat of formation (ΔH°f)?

43 / 50

43. For a reaction where ΔH = +50 kJ and ΔS = +0.2 kJ/K, which statement is true?

44 / 50

44. The value of for a monoatomic ideal gas is:

45 / 50

45. For a solute A in solution, the standard chemical potential μ°A corresponds to which condition?

46 / 50

46. Which statement is correct for a process at equilibrium?

47 / 50

47. The standard enthalpy of reaction can be expressed as:

48 / 50

48. What is meant by the heat of atomization of an element or compound?

49 / 50

49. Which statement correctly explains the First Law of Thermodynamics?

50 / 50

50. The standard enthalpy of combustion of hydrogen is:

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Practice Thermodynamics MCQs
Download Class 11 Chemistry MCQ Study Bundle

Class 11 Chemistry — Chapter 6: Thermodynamics Online Test

The Class 11 Chemistry: Chapter 6 – Thermodynamics Online Test provides a comprehensive pool of 395 MCQs designed to evaluate your understanding of the core principles of thermodynamics. This test is free, aligned with the NCERT/CBSE Class 11 syllabus, and offers unlimited practice opportunities to help you master thermodynamic concepts. With three levels of difficulty, you can gradually increase the challenge and track your progress.

Whether you are preparing for school exams or competitive tests like JEE/NEET, this online test will guide you through the key concepts of thermodynamics, from energy conservation to the laws governing thermodynamic processes. This test works as both a revision tool and a mock exam to enhance your speed, accuracy, and conceptual clarity.

Feeling a bit anxious before your exams? Don’t worry, this page is here to help. It’s like a mock test for you to practice at your own pace—whether at home or on the go. With each attempt, you’ll see your score, get instant feedback, and learn from the mistakes. When you’re ready, challenge yourself with Paper 3 for a higher level of difficulty and earn a certificate.

What is the Class 11 Chemistry: Thermodynamics Online Test?

This page contains three exam-style MCQ papers for Chapter 6: Thermodynamics:

  • Paper 1 (Easy) — Foundation: 20 questions · 30 min · Pass 40% · Fixed set
  • Paper 2 (Medium) — Mixed: 30 questions · 45 min · Pass 50% · Randomized from a pool of ~395 questions
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: Paper 2 and Paper 3 are randomized, ensuring a new set of questions on each attempt. All papers are timed, auto-evaluated, and show your score with detailed answer reviews.

Topics Covered in this Online Test

This online test covers a wide range of topics in Thermodynamics from the NCERT Class 11 Chemistry syllabus. The following topics are included:

  • Introduction to Thermodynamics — Definition, system, surroundings, and types of systems
  • First Law of Thermodynamics — Internal energy, heat, work, and the concept of energy conservation
  • Enthalpy — Enthalpy changes, heat capacity, and Hess’s Law
  • Work and Heat — Types of work, heat exchange in different processes (isothermal, adiabatic)
  • Thermodynamic Processes — Isothermal, adiabatic, isobaric, isochoric processes
  • Second Law of Thermodynamics — Entropy, spontaneous processes, and reversibility
  • Gibbs Free Energy — Criteria for spontaneity, Gibbs free energy change (ΔG)
  • Heat Engines and Refrigerators — Carnot engine, efficiency, and refrigerator working
  • Entropy and its significance — Entropy as a measure of disorder, Clausius inequality
  • Thermodynamic Cycles — Carnot cycle, Rankine cycle, efficiency of cycles

For a more detailed understanding, you can refer to: Thermodynamics MCQs and explore more questions from Class 11 Chemistry MCQ Collection.

How This Exam-Style Online Test Works

Quick Summary: Select a paper → answer MCQs within the given time → submit → instantly see your score and review your answers. Achieve a passing score on Paper 3 to earn a certificate.

What you’ll see during the test

  • MCQs: One question with four options (A, B, C, D).
  • Timer on top: P1: 30 min • P2: 45 min • P3: 75 min.
  • Pagination: Typically 10 questions per page (navigate through using page controls).
  • Navigation: Use Next/Prev buttons or the question map to revisit questions before submission.
  • View Result: After submitting, click View Result to see your score, correct answers, and mistakes.
  • Restart: Click Restart Test to retry and improve your score with a fresh set of questions (Paper 2 & Paper 3).

Note: After completing the test, feel free to share your feedback on the result page.

Marking & pass criteria

  • Scoring: +1 for correct answers, 0 for incorrect answers (no negative marking).
  • Passing marks: Paper 1 — 40%, Paper 2 — 50%, Paper 3 — 70%.
  • Randomization: Paper 2 and Paper 3 shuffle questions from a large question pool, so every attempt offers fresh challenges.

Who can take this test?

  • Class 11 CBSE students preparing for midterms, unit tests, or final exams in Chemistry.
  • NEET and JEE aspirants strengthening their understanding of thermodynamics and core concepts.
  • Self-learners and home-schoolers looking for a structured way to practice thermodynamics.
  • Teachers and tutors seeking pre-made assessments for students to test their knowledge.
  • Other boards & countries following similar Chemistry curriculums.

Benefits of this Online Test

  • Real exam experience: Timed MCQs simulate exam conditions, building speed and accuracy.
  • Instant results: See your score right away and review the answers for better understanding.
  • Step-up difficulty: Progress through Paper 1 → Paper 2 → Paper 3 and earn a certificate.
  • Unlimited practice: Practice as many times as you need with randomized questions in Paper 2 & 3.
  • Completely free: No fees, no login required—just unlimited access to test your knowledge.

How This Test Helps You Study More Effectively

  • Step 1 – Concept Check: Start with Paper 1 to check your basic understanding.
  • Step 2 – Reinforcement: Attempt Paper 2 to reinforce your concepts.
  • Step 3 – Challenge: Finish with Paper 3 to test your exam readiness.
  • Step 4 – Review: Examine mistakes, understand explanations, and reattempt missed questions.
  • Step 5 – Retake Smartly: Reattempt after 1–2 days to ensure long-term retention and recall.

Important Notes (Please Read Before You Start)

  • Do not refresh or close the browser tab during the test to avoid session loss.
  • Best experience: Use a stable internet connection and the latest browser version (e.g., Chrome or Edge).
  • Allow cookies / local storage to track your progress and test session.
  • Safety: This test is 100% free—ignore any unsolicited payment requests.

More Practice for Class 11 Chemistry

After completing this online test, continue practicing with our comprehensive set of MCQs for other chapters: Class 11 Chemistry MCQs or practice other chapters from: Class 11 Chemistry Online Test Index.

FAQs on Thermodynamics Online Test ▼

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments

Related MCQs

Scroll to Top