Organic Chemistry - Some Basic Principles and Techniques

67 topics, ranked by how often each is asked.

Practise Organic Chemistry - Some Basic Principles and TechniquesBrowse all questions
  • 88 questions
  • 35 papers
  • 5% of Chemistry

Topics

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

Topics

67 topics · 88 questions
  1. 1Geometrical Isomerism3.4%3 questionsPractise Geometrical Isomerism
  2. 2Purification of Organic Compounds1.1%1 questionPractise Purification of Organic Compounds
  3. 3Hybridization and Bond Dissociation Energy1.1%1 questionPractise Hybridization and Bond Dissociation Energy
  4. 4Isomerism in Cyclic Ethers1.1%1 questionPractise Isomerism in Cyclic Ethers
  5. 5Qualitative Analysis of Organic Compounds - Lassaigne's Test1.1%1 questionPractise Qualitative Analysis of Organic Compounds - Lassaigne's Test
  6. 6Qualitative Analysis – Lassaigne's Test1.1%1 questionPractise Qualitative Analysis – Lassaigne's Test
  7. 7Covalent Bonding in Organic Molecules – Sigma and Pi Bonds1.1%1 questionPractise Covalent Bonding in Organic Molecules – Sigma and Pi Bonds
  8. 8Quantitative Analysis – Estimation of Nitrogen (Kjeldahl's Method)1.1%1 questionPractise Quantitative Analysis – Estimation of Nitrogen (Kjeldahl's Method)
  9. 9Nomenclature of Organic Compounds2.3%2 questionsPractise Nomenclature of Organic Compounds
  10. 10Isomerism – Structural Isomerism1.1%1 questionPractise Isomerism – Structural Isomerism
  11. 11Purification of Organic Compounds – Chromatography1.1%1 questionPractise Purification of Organic Compounds – Chromatography
  12. 12Electronic Displacements in a Covalent Bond – Hyperconjugation1.1%1 questionPractise Electronic Displacements in a Covalent Bond – Hyperconjugation
  13. 13Covalent Bond – Sigma and Pi Bonds in Organic Molecules1.1%1 questionPractise Covalent Bond – Sigma and Pi Bonds in Organic Molecules
  14. 14Detection of elements - Lassaigne's test1.1%1 questionPractise Detection of elements - Lassaigne's test
  15. 15Metamerism1.1%1 questionPractise Metamerism
  16. 16IUPAC nomenclature of branched alkanes1.1%1 questionPractise IUPAC nomenclature of branched alkanes
  17. 17IUPAC Nomenclature and Classification of Carbon1.1%1 questionPractise IUPAC Nomenclature and Classification of Carbon
  18. 18IUPAC nomenclature of substituted benzenes1.1%1 questionPractise IUPAC nomenclature of substituted benzenes
  19. 19Steam distillation2.3%2 questionsPractise Steam distillation
  20. 20Quantitative analysis - estimation of carbon and hydrogen (Liebig's method)1.1%1 questionPractise Quantitative analysis - estimation of carbon and hydrogen (Liebig's method)
  21. 21Hyperconjugation and stability of carbocations1.1%1 questionPractise Hyperconjugation and stability of carbocations
  22. 22Hybridisation and sigma/pi bond counting1.1%1 questionPractise Hybridisation and sigma/pi bond counting
  23. 23Purification techniques for various mixtures/samples1.1%1 questionPractise Purification techniques for various mixtures/samples
  24. 24Inductive and electromeric effects; hyperconjugation1.1%1 questionPractise Inductive and electromeric effects; hyperconjugation
  25. 25Hybridisation of carbon atoms1.1%1 questionPractise Hybridisation of carbon atoms
  26. 26Stability of carbocations2.3%2 questionsPractise Stability of carbocations
  27. 27Carbocation stability - hyperconjugation1.1%1 questionPractise Carbocation stability - hyperconjugation
  28. 28Carbocation stability - hyperconjugation and resonance1.1%1 questionPractise Carbocation stability - hyperconjugation and resonance
  29. 29Lassaigne's test for sulphur1.1%1 questionPractise Lassaigne's test for sulphur
  30. 30Polarity of functional groups1.1%1 questionPractise Polarity of functional groups
  31. 31Hybridisation of carbon3.4%3 questionsPractise Hybridisation of carbon
  32. 32Carbocation stability – inductive effect1.1%1 questionPractise Carbocation stability – inductive effect
  33. 33Inductive effect1.1%1 questionPractise Inductive effect
  34. 34Electrophiles and nucleophiles2.3%2 questionsPractise Electrophiles and nucleophiles
  35. 35Methods of purification – steam distillation2.3%2 questionsPractise Methods of purification – steam distillation
  36. 36IUPAC nomenclature of polyfunctional compounds1.1%1 questionPractise IUPAC nomenclature of polyfunctional compounds
  37. 37Hybridisation of carbanions1.1%1 questionPractise Hybridisation of carbanions
  38. 38Stereoisomerism – atropisomerism in biphenyls1.1%1 questionPractise Stereoisomerism – atropisomerism in biphenyls
  39. 39Hybridisation and planarity1.1%1 questionPractise Hybridisation and planarity
  40. 40Resonance in heterocycles – pyrrole1.1%1 questionPractise Resonance in heterocycles – pyrrole
  41. 41Tautomerism – keto–enol1.1%1 questionPractise Tautomerism – keto–enol
  42. 42Quantitative analysis3.4%3 questionsPractise Quantitative analysis
  43. 43Carbocation stability1.1%1 questionPractise Carbocation stability
  44. 44Hyperconjugation1.1%1 questionPractise Hyperconjugation
  45. 45Electronic displacement effects1.1%1 questionPractise Electronic displacement effects
  46. 46Bonding in organic molecules2.3%2 questionsPractise Bonding in organic molecules
  47. 47Tautomerism2.3%2 questionsPractise Tautomerism
  48. 48Reaction intermediates and reagents1.1%1 questionPractise Reaction intermediates and reagents
  49. 49Stereoisomerism1.1%1 questionPractise Stereoisomerism
  50. 50Hybridisation1.1%1 questionPractise Hybridisation
  51. 51Aromaticity1.1%1 questionPractise Aromaticity
  52. 52Nomenclature1.1%1 questionPractise Nomenclature
  53. 53IUPAC nomenclature9.1%8 questionsPractise IUPAC nomenclature
  54. 54Optical isomerism2.3%2 questionsPractise Optical isomerism
  55. 55IUPAC nomenclature and geometrical isomerism1.1%1 questionPractise IUPAC nomenclature and geometrical isomerism
  56. 56Qualitative analysis1.1%1 questionPractise Qualitative analysis
  57. 57Distinguishing tests of functional groups1.1%1 questionPractise Distinguishing tests of functional groups
  58. 58Conformations1.1%1 questionPractise Conformations
  59. 59Hybridisation in organic compounds1.1%1 questionPractise Hybridisation in organic compounds
  60. 60Stability of Carbanions1.1%1 questionPractise Stability of Carbanions
  61. 61Methods of Purification1.1%1 questionPractise Methods of Purification
  62. 62Structural Isomerism1.1%1 questionPractise Structural Isomerism
  63. 63IUPAC Nomenclature of Alkanes1.1%1 questionPractise IUPAC Nomenclature of Alkanes
  64. 64IUPAC Nomenclature: Compounds with Double and Triple Bonds1.1%1 questionPractise IUPAC Nomenclature: Compounds with Double and Triple Bonds
  65. 65Resonance1.1%1 questionPractise Resonance
  66. 66Stereoisomerism: Geometrical Isomerism1.1%1 questionPractise Stereoisomerism: Geometrical Isomerism
  67. 67Electronic Effects: Resonance1.1%1 questionPractise Electronic Effects: Resonance

Questions per paper

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

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

Concepts tested

  • Naming enynes 3
  • Counting sigma and pi bonds 2
  • Dumas method 2
  • Stability of carbocations 2
  • Steam distillation 2
  • Structure from IUPAC name 2
  • acetylide-sp-lone-pair
  • Alkyl groups
  • Alpha-hydrogens and hyperconjugation
  • Alphabetical order of substituents
  • bicyclic-tautomerism
  • biphenyl-atropisomerism
  • biphenyl-coplanar
  • blood red colour with N and S
  • C-H Bond Dissociation Energy Trends
  • Carbocation stability - hyperconjugation
  • Carbocation stability - hyperconjugation and resonance
  • carbocation-stability-inductive