Hydrocarbons

59 topics, ranked by how often each is asked.

Practise HydrocarbonsBrowse all questions
  • 75 questions
  • 35 papers
  • 4.26% of Chemistry

Topics

The squares are the last ten exam years: filled means it was asked that year.

Topics

59 topics · 75 questions
  1. 1Free Radical Halogenation of Alkanes2.7%2 questionsPractise Free Radical Halogenation of Alkanes
  2. 2Effect of Branching on Boiling Point of Alkanes1.3%1 questionPractise Effect of Branching on Boiling Point of Alkanes
  3. 3Preparation of Alkanes – Decarboxylation1.3%1 questionPractise Preparation of Alkanes – Decarboxylation
  4. 4Aromaticity – Huckel's Rule2.7%2 questionsPractise Aromaticity – Huckel's Rule
  5. 5Reactions of Alkenes – Ozonolysis2.7%2 questionsPractise Reactions of Alkenes – Ozonolysis
  6. 6Conformations of Alkanes2.7%2 questionsPractise Conformations of Alkanes
  7. 7Addition Reactions of Alkenes – Peroxide Effect1.3%1 questionPractise Addition Reactions of Alkenes – Peroxide Effect
  8. 8Preparation of Alkanes – Wurtz Reaction1.3%1 questionPractise Preparation of Alkanes – Wurtz Reaction
  9. 9Reactions of Alkynes – Partial Reduction (Lindlar Catalyst)1.3%1 questionPractise Reactions of Alkynes – Partial Reduction (Lindlar Catalyst)
  10. 10Reactions of Alkenes – Ozonolysis and Markovnikov Addition of HCl1.3%1 questionPractise Reactions of Alkenes – Ozonolysis and Markovnikov Addition of HCl
  11. 11Aromatic Hydrocarbons – Electrophilic Substitution1.3%1 questionPractise Aromatic Hydrocarbons – Electrophilic Substitution
  12. 12Electrophilic substitution vs free-radical addition halogenation of benzene1.3%1 questionPractise Electrophilic substitution vs free-radical addition halogenation of benzene
  13. 13Friedel-Crafts alkylation, nitration, and separation of positional isomers1.3%1 questionPractise Friedel-Crafts alkylation, nitration, and separation of positional isomers
  14. 14Test for unsaturation - Baeyer's reagent1.3%1 questionPractise Test for unsaturation - Baeyer's reagent
  15. 15Oxidation of alkanes having tertiary hydrogen1.3%1 questionPractise Oxidation of alkanes having tertiary hydrogen
  16. 16Geometrical (cis-trans) isomerism in alkenes1.3%1 questionPractise Geometrical (cis-trans) isomerism in alkenes
  17. 17Boiling points of alkanes1.3%1 questionPractise Boiling points of alkanes
  18. 18Preparation of alkenes2.7%2 questionsPractise Preparation of alkenes
  19. 19Halogenation of alkanes1.3%1 questionPractise Halogenation of alkanes
  20. 20Cyclic polymerisation of alkynes1.3%1 questionPractise Cyclic polymerisation of alkynes
  21. 21Stereochemistry of addition to alkenes1.3%1 questionPractise Stereochemistry of addition to alkenes
  22. 22Reduction of alkynes - geometrical isomers1.3%1 questionPractise Reduction of alkynes - geometrical isomers
  23. 23Conjugated dienes1.3%1 questionPractise Conjugated dienes
  24. 24Aromatic hydrocarbons – directive influence of substituents1.3%1 questionPractise Aromatic hydrocarbons – directive influence of substituents
  25. 25Alkanes – halogenation and Wurtz reaction1.3%1 questionPractise Alkanes – halogenation and Wurtz reaction
  26. 26Conformations of ethane2.7%2 questionsPractise Conformations of ethane
  27. 27Alkynes – hydration (Markovnikov) and keto–enol tautomerism1.3%1 questionPractise Alkynes – hydration (Markovnikov) and keto–enol tautomerism
  28. 28Acidic character of alkynes2.7%2 questionsPractise Acidic character of alkynes
  29. 29Conformations of ethane – torsional strain1.3%1 questionPractise Conformations of ethane – torsional strain
  30. 30Alkynes – acidity and alkylation of acetylides1.3%1 questionPractise Alkynes – acidity and alkylation of acetylides
  31. 31Electrophilic substitution – nitration of benzene1.3%1 questionPractise Electrophilic substitution – nitration of benzene
  32. 32Friedel–Crafts alkylation4%3 questionsPractise Friedel–Crafts alkylation
  33. 33Friedel–Crafts alkylation with alkenes1.3%1 questionPractise Friedel–Crafts alkylation with alkenes
  34. 34Allylic substitution1.3%1 questionPractise Allylic substitution
  35. 35Electrophilic addition to alkenes4%3 questionsPractise Electrophilic addition to alkenes
  36. 36Ozonolysis1.3%1 questionPractise Ozonolysis
  37. 37Stability of alkenes and aromatic compounds1.3%1 questionPractise Stability of alkenes and aromatic compounds
  38. 38Carbocation rearrangement1.3%1 questionPractise Carbocation rearrangement
  39. 39Markovnikov's rule1.3%1 questionPractise Markovnikov's rule
  40. 40Reactions of benzene4%3 questionsPractise Reactions of benzene
  41. 41Electrophilic substitution4%3 questionsPractise Electrophilic substitution
  42. 42Directive influence of substituents1.3%1 questionPractise Directive influence of substituents
  43. 43Friedel-Crafts reaction1.3%1 questionPractise Friedel-Crafts reaction
  44. 44Structure of alkynes1.3%1 questionPractise Structure of alkynes
  45. 45Preparation and reactions of alkenes1.3%1 questionPractise Preparation and reactions of alkenes
  46. 46Reactions of arenes1.3%1 questionPractise Reactions of arenes
  47. 47Reactions of alkanes1.3%1 questionPractise Reactions of alkanes
  48. 48Acidity of Alkynes, Alkenes and Alkanes1.3%1 questionPractise Acidity of Alkynes, Alkenes and Alkanes
  49. 49Addition Reactions of Alkynes1.3%1 questionPractise Addition Reactions of Alkynes
  50. 50Ozonolysis of Alkenes2.7%2 questionsPractise Ozonolysis of Alkenes
  51. 51Electrophilic Substitution in Benzene Derivatives1.3%1 questionPractise Electrophilic Substitution in Benzene Derivatives
  52. 52Catalytic Hydrogenation of Alkenes1.3%1 questionPractise Catalytic Hydrogenation of Alkenes
  53. 53Ozonolysis of Alkynes1.3%1 questionPractise Ozonolysis of Alkynes
  54. 54Anti-Markovnikov Addition (Peroxide Effect)1.3%1 questionPractise Anti-Markovnikov Addition (Peroxide Effect)
  55. 55Oxidative Cleavage of Alkenes1.3%1 questionPractise Oxidative Cleavage of Alkenes
  56. 56Free Radical Halogenation1.3%1 questionPractise Free Radical Halogenation
  57. 57Preparation of Alkynes1.3%1 questionPractise Preparation of Alkynes
  58. 58Electrophilic Substitution: Effect of Substituents1.3%1 questionPractise Electrophilic Substitution: Effect of Substituents
  59. 59Stability of Alkenes1.3%1 questionPractise Stability of Alkenes

Questions per paper

Asked in 16 of the last 16 papers (2017–2026).

  1. 2026: 2 questions
  2. 2026 Re-NEET: 3 questions
  3. 2025: 1 question
  4. 2024: 1 question
  5. 2024 Re-NEET: 2 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 1 question
  8. 2022: 2 questions
  9. 2022 Phase 2: 2 questions
  10. 2021: 2 questions
  11. 2020: 2 questions
  12. 2020 Phase-2: 1 question
  13. 2019: 3 questions
  14. 2019 Odisha: 2 questions
  15. 2018: 2 questions
  16. 2017: 3 questions

Concepts tested

  • Activating and deactivating groups 3
  • identifying an alkene from ozonolysis products 2
  • acetylide-alkylation
  • Addition of HCl via tertiary carbocation
  • alkanes obtainable by Wurtz reaction
  • Alkylation of benzene with alkene
  • alkyne-hydration-enol
  • allylic-bromination-propene
  • anti-Markovnikov addition of HBr
  • Benzylic carbocation in HBr addition
  • Boiling points of alkanes
  • Branching, molecular shape and boiling point trend
  • Bromination of m-xylene
  • Carbocation rearrangement by hydride shift
  • Carbocation rearrangement in hydration
  • Catalytic oxidation of benzene
  • ccl3-meta-directing
  • Cleavage of the triple bond