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Chemistry - Hydrocarbons

Practise 72 NEET previous year questions on Hydrocarbons, compiled from papers spanning 2002 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty NEET tests.

Hydrocarbons has been asked in 23 of the 39 years of NEET papers analysed (1988–2026), with 72 questions in all. 26% of them were easy, 60% moderate and 14% tough. Most of its questions came from 2026, with 7 questions that year. In the last three years (2024–2026) it had 12 questions across 13 papers, about 0.9 per paper.

The chapter's 11 topics are not weighted equally: Reactions of aromatic compounds (22 questions, 31%), Reactions of alkenes (17 questions, 24%), and Properties and Preparation of Alkenes (8 questions, 11%) have been asked the most. Reactions of aromatic compounds has also led over the last five years, with 4 questions. Reactions of alkenes has produced the most tough questions (4).

  1. 1Two products X and Y are formed in the following reaction sequence. The suitable method that can be used for the separation of products X an2026 (Cancelled)Reactions of aromatic compounds
  2. 2The number of chlorine atoms present in the organic products X and Y of the following reactions, respectively, are :2026 (Cancelled)Reactions of aromatic compounds
  3. 3Consider the following reaction, and choose the correct option.2026 (Re-NEET)Reactions of Benzene
  4. 4Given below are two statements: Statement I: trans -But-2-ene upon treatment with Br in CCl gives the following product Statement II: cis -B2026 (Re-NEET)Reactions of alkenes
  5. 5Among the following, the compound having conjugated double bonds is2026 (Re-NEET)Preparation and Reactions of Conjugate Dienes
  6. 6Consider the following reaction sequences and choose the correct option.2026 (Re-NEET)Properties and Preparation of Alkenes
  7. 7For the following reaction sequence, choose the correct option2026 (Re-NEET)Reactions of aromatic compounds
  8. 8Which one of the following reactions does NOT give benzene as the product?2025Reactions of alkanes
  9. 9Which one of the following compounds does not decolourize bromine water?2025Reactions of alkanes
  10. 10Identify the correct reagents that would bring about the following transformation.2024Reactions of alkenes
  11. 11The major product formed in the following reaction sequence is:2024 (Re-NEET)Reactions of aromatic compounds
  12. 12The alkane that can be oxidized to the corresponding alcohol by as per the equation is, when:2024 (Re-NEET)Reactions of alkenes
  13. 13Preview not available - open to view this question.2023 (All India)Properties and Preparation of Alkanes
  14. 14The correct order for the rate of -dehydrohalogenation for the following compounds is2023 (Manipur)Properties and Preparation of Alkenes
  15. 15The major product of the following chemical reaction is:2021Reactions of alkenes
  16. 16The major product formed in the dehydrohalogenation reaction of 2 -Bromopentane is Pent 2 -ene. This product formation is based on?2021Properties and Preparation of Alkenes
  17. 17The intermediate compound ' X ' in the following chemical reaction is:2021Reactions of aromatic compounds
  18. 18Reagent R will be:2021Preparation and Properties of Benzene
  19. 19Elimination reaction of 2 -Bromo-pentane to form pent- 2 -ene is (a) -Elimination reaction (b) Follows Zaitsev rule (c) Dehydrohalogenation 2020 (Phase 1)Properties and Preparation of Alkenes
  20. 20An alkene on ozonolysis gives methanal as one of the product. Its structure is2020 (Phase 1)Reactions of alkenes
  21. 21Which of the following alkane cannot be made in good yield by Wurtz reaction?2020 (Phase 1)Properties and Preparation of Alkanes
  22. 22Which of the following is a free radical substitution reaction?2020 (Phase 2)Reactions of alkenes
  23. 23The most suitable reagent for the following conversion, is:2019 (All India)Reactions of alkynes
  24. 24An alkene ' A ' on reaction with O 3 and Z n - H 2 O gives propanone and ethanal in equimolar ratio. Additional of H C l to alkene ' A ' giv2019 (All India)Reactions of alkenes
  25. 25The alkane that gives only one mono-chloro product on chlorination with in presence of diffused sunlight is2019 (Odisha)Reactions of alkanes
  26. 26In the following reaction, the number of sigma( ) bonds present in the product is2019 (Odisha)Reactions of alkynes
  27. 27Identify the major products P , Q and R in the following sequence of reactions:2018Reactions of aromatic compounds
  28. 28Hydrocarbon A reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon conta2018Properties and Preparation of Alkanes
  29. 29Which among the following depicts the correct order of acidity?2017Properties and Preparation of Alkynes
  30. 30In the reaction X and Y are:2016 (Phase 1)Reactions of alkynes
  31. 31Consider the nitration of benzene using mixed conc. H 2 S O 4 and H N O 3 . If a large amount of K H S O 4 is added to the mixture, the rate2016 (Phase 1)Reactions of aromatic compounds
  32. 32For the following reactions: a. CH 3 CH 2 CH 2 Br + KOH CH 3 CH = CH 2 + KBr + H 2 O b. c. Which of the following statements is correct?2016 (Phase 1)Properties and Preparation of Alkenes
  33. 33Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction?2016 (Phase 2)Properties and Preparation of Alkenes
  34. 34In the given reaction, the product P is2016 (Phase 2)Preparation and Reactions of Conjugate Dienes
  35. 35The compound that will react most readily with gaseous bromine has the formula:2016 (Phase 2)Reactions of alkenes
  36. 36The reaction of C 6 H 5 C H = C H C H 3 with HBr produces:2015 (Phase 1)Reactions of alkenes
  37. 37Given, The enthalpy of hydrogenation of these compounds will be in the order as:2015 (Phase 1)Properties and Preparation of Alkanes
  38. 38In the reaction with HCl , an alkene reacts following the Markovnikov s rule to give the product 1 - chloro - 1 - methylcyclohexane. The pos2015 (Phase 2)Preparation and Reactions of cycloalkanes and cycloalkenes
  39. 392,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?2015 (Phase 2)Properties and Preparation of Alkenes
  40. 40The oxidation of benzene by V 2 O 5 in the presence of air produces:2015 (Phase 2)Reactions of Benzene
  41. 41Identify Z in the sequence of reactions:2014Reactions of alkenes
  42. 42The structure of isobutyl group in an organic compound is2013 (All India)Properties and Preparation of Alkanes
  43. 43Nitrobenzene on reaction with conc. at forms which one of the following products?2013 (All India)Reactions of aromatic compounds
  44. 44In the reaction, is2013 (All India)Reactions of aromatic compounds
  45. 45Which of the following compounds will not undergo Friedal-Craft's reaction easily?2013 (All India)Reactions of aromatic compounds
  46. 46Phenol is distilled with dust followed by Friedel-Crafts alkylation with propyl chloride in the presence of to give a compound (b). (b) is o2013 (Karnataka)Reactions of aromatic compounds
  47. 47Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?2012 (Mains)Properties and Preparation of Alkynes
  48. 48In the following reaction,2012 (Screening)Reactions of alkenes
  49. 49Clemmensen reduction of a ketone is carried out in the presence of which of the following?2011 (Screening)Properties and Preparation of Alkanes
  50. 50Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by2010 (Screening)Properties and Preparation of Alkenes

Frequently Asked Questions

1.How many questions are available for Hydrocarbons?

This chapter includes 72 questions compiled from NEET papers spanning 2002 to 2026.

2.Are these questions only from NEET, or from other exams too?

These are NEET questions specifically for the Hydrocarbons chapter. Questions from other exams like AIIMS or JIPMER are organised separately under their respective exam sections.

3.Is Hydrocarbons an important chapter for NEET Chemistry?

Hydrocarbons has appeared in 23 of the 25 years of NEET papers covered here, with 72 questions across 34 papers - about 2 per paper it appears in.

4.What is the difficulty level of Hydrocarbons questions in NEET?

Of the 72 questions analysed for this chapter, 26% are easy, 60% moderate and 14% tough. 2026 had the most, with 7 questions.

5.Which topics in Hydrocarbons should I focus on?

These topics have carried the most weightage in Hydrocarbons:

  • Reactions of aromatic compounds - 22 questions (31%)
  • Reactions of alkenes - 17 questions (24%)
  • Properties and Preparation of Alkenes - 8 questions (11%)
  • Reactions of alkenes has produced the most tough questions (4).
6.Is Hydrocarbons's weightage in NEET going up or down?

Across all 34 papers analysed, Hydrocarbons has averaged about 2.1 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.9 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.