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

Class 11 Chemistry — Chapter 12: Organic Chemistry Online Test

Start Your Test by Choosing a Paper

0%

Class 11 Chemistry: Organic Chemistry 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. In Kjeldahl’s method, nitrogen is converted during digestion into:

2 / 20

2. Hydrogen percentage in Liebig’s method is calculated using:

3 / 20

3. Which observation indicates incomplete sodium fusion while testing for sulfur?

4 / 20

4. During sodium fusion, nitrogen present in the compound is converted into:

5 / 20

5. Chromatography works on the basic principle of:

6 / 20

6. Which of the following statements correctly describes distillation under reduced pressure (vacuum distillation)?

7 / 20

7. Which order represents the stability of simple alkyl free radicals?

8 / 20

8. In the E1 elimination mechanism, the rate-determining step involves:

9 / 20

9. Hyperconjugation is most effective when:

10 / 20

10. Which of the following compounds is named correctly according to IUPAC nomenclature?

11 / 20

11. What is the primary method of synthesizing organic compounds in a laboratory?

12 / 20

12. Hyperconjugation involves the delocalization of electrons from:

13 / 20

13. What is the main factor that determines the reactivity of organic compounds?

14 / 20

14. What functional group is present in thiols?

15 / 20

15. Which of the following groups exhibits the –M (mesomeric electron-withdrawing) effect?

16 / 20

16. Which of the following is the key characteristic of an SN2 mechanism?

17 / 20

17. Which of the following reactions is commonly associated with a hydride shift during the rearrangement?

18 / 20

18. Which carbanion is stabilized by both resonance and inductive effects?

19 / 20

19. Nitrenes commonly form from the decomposition of:

20 / 20

20. Which principle does simple and fractional distillation primarily depend on?

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: Organic Chemistry 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. What is the purpose of boiling the Lassaigne's extract before testing for nitrogen?

2 / 30

2. In thin-layer chromatography (TLC), the stationary phase is usually:

3 / 30

3. Which of the following is the correct IUPAC name for the third member of the alkane homologous series?

4 / 30

4. What is the correct IUPAC name for the compound ?

5 / 30

5. During the CuO test, hydrogen present in the organic compound forms:

6 / 30

6. What is the product of an E2 reaction in which an alkyl halide undergoes elimination?

7 / 30

7. Which of the following is true for the E2 elimination mechanism?

8 / 30

8. What is the general molecular formula for alkanes?

9 / 30

9. Which of the following functional groups exhibits a strong –M (mesomeric electron-withdrawing) effect in an aromatic compound?

10 / 30

10. What is the correct IUPAC name for the compound ?

11 / 30

11. Which of the following compounds is a member of the alkyl halide homologous series?

12 / 30

12. A compound with a very high value in TLC indicates:

13 / 30

13. Which of the following is a natural source of organic compounds?

14 / 30

14. Which carbanion is stabilized by both resonance and inductive effects?

15 / 30

15. Which of the following is true regarding the –I (inductive electron-withdrawing) effect?

16 / 30

16. The blue precipitate formed in nitrogen detection is chemically known as:

17 / 30

17. A cream-colored precipitate that dissolves partially in ammonia indicates the presence of:

18 / 30

18. Which best describes the principle behind sublimation?

19 / 30

19. Why is crystallization NOT suitable for removing volatile impurities?

20 / 30

20. Which of the following is a key feature of the E2 mechanism?

21 / 30

21. Which of the following is the key characteristic of an SN2 mechanism?

22 / 30

22. Which of the following is an example of the electromeric effect?

23 / 30

23. In which of the following species is hyperconjugation NOT possible?

24 / 30

24. The presence of which element in an organic compound can be confirmed by the Lassaigne's test?

25 / 30

25. In a free radical addition reaction, the first step is:

26 / 30

26. Which of the following is true about members of a homologous series?

27 / 30

27. What is the rate-determining step in an electrophilic addition reaction to an alkene?

28 / 30

28. Which of the following functional groups takes priority when naming an organic compound in the IUPAC system?

29 / 30

29. A student obtains a yellow precipitate that remains unchanged even after adding excess ammonia. This confirms the presence of:

30 / 30

30. Which of the following factors increases the rate of an SN1 nucleophilic substitution reaction?

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: Organic Chemistry 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. Limewater turns milky during the CuO test due to the formation of:

2 / 50

2. The E1 mechanism is most favored when the substrate is:

3 / 50

3. Which of the following is true about the electromeric effect in conjugated systems?

4 / 50

4. Which of the following is the correct IUPAC name for the compound with the structure ?

5 / 50

5. Which technique is used to check the purity of crystals obtained after crystallization?

6 / 50

6. Which of the following is a characteristic feature of organic compounds?

7 / 50

7. Which of the following statements best describes the effect of the electromeric shift on the stability of a molecule?

8 / 50

8. Which of the following is the correct IUPAC name for the compound with the structure ?

9 / 50

9. Which of the following is true about free radical addition reactions?

10 / 50

10. Why is the tertiary butyl radical more stable than a secondary radical?

11 / 50

11. Which of the following is the correct stability order for simple alkyl carbanions?

12 / 50

12. Which of the following carbocations is aromatic and therefore highly stable?

13 / 50

13. In a free radical addition reaction, the first step is:

14 / 50

14. Which of the following structures exhibits the strongest hyperconjugation effect?

15 / 50

15. Why must the Lassaigne’s extract be alkaline before performing the sodium nitroprusside test?

16 / 50

16. In steam distillation, the ratio of masses of water and organic compound collected is determined by:

17 / 50

17. Which of the following is a factor that can influence whether an elimination reaction follows the E1 or E2 mechanism?

18 / 50

18. Which of the following destabilizes a carbanion?

19 / 50

19. Which of the following is a characteristic feature of a homologous series?

20 / 50

20. A cream-colored precipitate that dissolves partially in ammonia indicates the presence of:

21 / 50

21. In an electrophilic addition reaction to an alkene, the intermediate species formed is:

22 / 50

22. Which of the following is the correct IUPAC name for the compound with the formula ?

23 / 50

23. The inductive effect (+I) refers to:

24 / 50

24. Which of the following is the functional group in ethers?

25 / 50

25. Which of the following is the correct IUPAC name for the second member of the alkene homologous series?

26 / 50

26. Which observation indicates incomplete sodium fusion while testing for sulfur?

27 / 50

27. What is the rate-determining step in an electrophilic addition reaction to an alkene?

28 / 50

28. Why is crystallization NOT suitable for removing volatile impurities?

29 / 50

29. Which of the following is an example of a synthetic organic compound?

30 / 50

30. Hydrogen percentage in Liebig’s method is calculated using:

31 / 50

31. Which of the following is the least stable carbocation?

32 / 50

32. What is the general molecular formula for alkanes in a homologous series?

33 / 50

33. In Lassaigne’s test for sulfur, the organic compound is fused with sodium metal to convert sulfur into:

34 / 50

34. What is the hybridization state of carbon in a carbocation?

35 / 50

35. What is the main advantage of TLC over paper chromatography?

36 / 50

36. Which of the following statements is TRUE about the reactivity of free radicals?

37 / 50

37. Steam distillation allows high-boiling liquids to distill at:

38 / 50

38. Which of the following groups exhibits the +M (mesomeric electron-donating) effect?

39 / 50

39. What is the correct IUPAC name for the compound with the formula and a straight chain of carbon atoms with no double or triple bonds?

40 / 50

40. Which of the following is true for the E2 elimination mechanism?

41 / 50

41. The electromeric effect occurs when:

42 / 50

42. What color change is observed in the lead acetate test that confirms sulfur?

43 / 50

43. Which of the following is an example of a natural source of organic compounds that is also used as a food preservative?

44 / 50

44. The movement of solvent in chromatography is mainly due to:

45 / 50

45. Which of the following is an example of an organic compound derived from coal tar?

46 / 50

46. Which free radical is the most stable?

47 / 50

47. Which of the following is a synthetic polymer commonly used in the textile industry?

48 / 50

48. Which of the following statements about crystallization is TRUE?

49 / 50

49. Which of the following is true about the bonding in organic compounds?

50 / 50

50. The electromeric effect 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 Organic Chemistry MCQs
Download Class 11 Chemistry MCQ Study Bundle

Class 11 Chemistry — Chapter 12: Organic Chemistry Online Test

The Class 11 Chemistry: Chapter 12 – Organic Chemistry Online Test is a great way to enhance your understanding of organic chemistry fundamentals. This chapter test contains 300 MCQs that will assess your knowledge of organic compounds, functional groups, and reaction mechanisms. This test is free, NCERT-aligned, and allows unlimited attempts to help you practice and improve your skills.

This chapter’s content is highly relevant for Class 11 CBSE exams and competitive tests like JEE and NEET. You will not only reinforce your understanding of organic chemistry but also build a strong foundation for future studies. The test has been designed to mimic real exam conditions with timed MCQs and instant feedback on your performance.

What is this Class 11 Chemistry: Organic Chemistry Online Test?

This online test contains three exam-style MCQ papers for Chapter 12:

  • 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 300 questions
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: You’ll receive new question mixes with each attempt in Paper 2 and Paper 3. The tests are auto-evaluated with instant results, so you can quickly identify areas for improvement.

Topics covered in these online tests

The following important topics from Chapter 12: Organic Chemistry are covered in this test:

  • Introduction to Organic Chemistry — Definition, importance, and distinguishing organic compounds from inorganic compounds.
  • Classification of Organic Compounds — Alkanes, alkenes, alkynes, aromatic compounds, etc.
  • Functional Groups — Alcohols, aldehydes, ketones, carboxylic acids, amines, and more.
  • IUPAC Nomenclature — Rules for naming organic compounds, isomerism, and stereochemistry.
  • Isomerism — Structural isomerism, functional group isomerism, geometrical isomerism, optical isomerism.
  • Reaction Mechanisms — Addition, elimination, substitution reactions; free radical, electrophilic and nucleophilic substitutions.
  • Properties and Reactions of Organic Compounds — Physical and chemical properties of alkanes, alkenes, alkynes, alcohols, aldehydes, and carboxylic acids.
  • Carbocation, Carbanion, and Free Radicals — Stability, formation, and reactions of intermediates in organic reactions.
  • Polymerization — Mechanisms of addition and condensation polymerization.
  • Basic Organic Laboratory Techniques — Techniques for purifying organic compounds (distillation, filtration, crystallization).

If you want to practice these concepts further, you can check out additional MCQs for other chapters in the Class 11 Chemistry MCQs collection and deepen your understanding of organic chemistry.

How This Exam-Style Online Test Works

Quick guide: Pick a paper → Answer the MCQs within the time limit → Submit → Get your score instantly and review the answers. You can retake the test as many times as you like to improve your score.

What you’ll see

  • 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 (use the page controls to navigate).
  • Navigation: Use Next/Prev buttons or the question map to revisit questions before submitting.
  • View Result: Click View Result to see marks and detailed summary of your answers.
  • Result page shows: Your score percentage, correct/incorrect/unanswered counts, answer key, and an option to share your result.
  • Restart: Click Restart Test to get a new randomized set of questions for Paper 2 and Paper 3.

Note: After completing each test, please provide your feedback on the result page to help us improve.

Marking & Pass Criteria

  • Scoring: +1 for each correct answer, 0 for incorrect answers (no negative marking).
  • Passing marks: Paper 1 — 40% | Paper 2 — 50% | Paper 3 — 70%.
  • Randomization: Paper 2 & Paper 3 shuffle questions from a large pool, so you get new mixes on every attempt. Paper 1 remains fixed.

Who Can Take This Test?

  • CBSE Class 11 students revising Chapter 12 (Organic Chemistry).
  • JEE/NEET aspirants who want to strengthen their understanding of organic chemistry concepts and reactions.
  • Class 12 bridge learners revisiting Chapter 12 topics for a stronger foundation in organic chemistry.
  • Teachers / Tutors needing ready-to-use chapter tests and practice material for students.
  • Self-learners or homeschoolers looking for practice tests to improve understanding of organic chemistry.

Advantages of this Online Test

  • Real exam feel: Timed tests with pass percentages, providing a real exam-like experience.
  • Instant feedback: Get immediate results with a detailed review to help you identify and fix weak spots.
  • Step-up difficulty: Easy → Medium → Hard + Certificate after passing Paper 3.
  • Unlimited attempts: Practice as much as needed with randomized questions in Paper 2 and Paper 3.
  • Zero cost: Completely free, with no sign-ups or payments required.

How This Test Helps You Study Better

Follow this study plan:

  • Step 1 – Concept Check: Attempt Paper 1 to check your grasp of basic organic chemistry concepts.
  • Step 2 – Build Accuracy: Progress to Paper 2 for mixed questions on functional groups, nomenclature, and isomerism.
  • Step 3 – Challenge Yourself: Take Paper 3 to test your readiness for exams. Target ≥ 70% for a certificate.
  • Step 4 – Review: Go through the correct and incorrect answers to identify areas needing more focus.
  • Step 5 – Retake Smartly: Retake the test after 1–2 days to check your long-term recall and improvement.

Important Notes (Before You Start)

  • Do not refresh or close the tab during the test.
  • Best experience: Use the latest browser like Chrome or Edge and ensure a stable internet connection.
  • Allow cookies/local storage for saving your progress during the test.
  • Safety: The test is completely free. Ignore any payment requests or pop-ups.

More Practice for Class 11 Chemistry

After completing this organic chemistry test, explore more practice for other subjects: Class 11 Chemistry MCQ Collection or check out the full Class 11 Online Test page for other subjects.

FAQs on Organic Chemistry Online Test ▼

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments

Related MCQs

Scroll to Top