NEET Chemistry Organic Chemistry: Some Basic Principles and Techniques PYQ Analysis 2020–2026: Topic-wise Trends & Practice
Organic Chemistry: Some Basic Principles and Techniques (NEET Chemistry): 21 questions in 2020–2026, 5.3% of the subject. Topic-wise trends, difficulty split, repeated topics and PYQ practice.
Edurack Team
October 13, 2026
Organic Chemistry: Some Basic Principles and Techniques gave 21 of the 398 NEET Chemistry questions asked between 2020 and 2026 (Re-NEET 2026 included). That is 5.3% of the subject and the #5 chapter out of 31 by weightage, about 2.6 questions per paper. It peaked at 4 in NEET 2024.
Of the 21 questions tagged for difficulty, 33% were easy, 53% medium and 14% hard, so this is a fairly balanced mix of easy and moderate questions.
It has been asked more often lately: 3 questions per paper across 2025, 2026 and Re-NEET 2026, against 2 per paper in 2020–2022.
Year-wise questions from Organic Chemistry: Some Basic Principles and Techniques
| Paper | Questions |
|---|---|
| NEET 2020 | 2 |
| NEET 2021 | 2 |
| NEET 2022 | 2 |
| NEET 2023 | 2 |
| NEET 2024 | 4 |
| NEET 2025 | 4 |
| NEET 2026 | 4 |
| Re-NEET 2026 | 1 |
Difficulty split
| Level | Questions | Share |
|---|---|---|
| Easy | 7 | 33% |
| Medium | 11 | 53% |
| Hard | 3 | 14% |
Topic-wise analysis
Every topic tagged under Organic Chemistry: Some Basic Principles and Techniques, most-asked first. "Papers" is the number of the 8 papers in which the topic appeared.
| Topic | Total Qs | Easy | Medium | Hard | Papers | Asked in |
|---|---|---|---|---|---|---|
| Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature) | 4 | 1 | 2 | 1 | 4 | 2021, 2022, 2024 and 2026 |
| Qualitative Analysis of Organic Compounds (Test for Nitrogen, Sulphur and Halogens (Lassaigne'…) | 3 | 1 | 2 | 0 | 3 | 2023, 2025 and 2026 |
| Hyperconjugation (Hyperconjugation and its Applications) | 2 | 0 | 2 | 0 | 2 | 2025 and Re-NEET 2026 |
| Reaction Intermediates (Carbocation) | 2 | 1 | 1 | 0 | 2 | 2020 and 2024 |
| Types of Isomerism (Structural Isomerism, Stereoisomerism) | 2 | 1 | 1 | 0 | 2 | 2021 and 2026 |
| Aromaticity (Non-Benzenoid System) | 1 | 0 | 1 | 0 | 1 | 2023 |
| General Introduction (Hybridization in Carbon Compounds) | 1 | 0 | 1 | 0 | 1 | 2024 |
| Methods of Purification of Organic Compounds (Chromatography) | 1 | 1 | 0 | 0 | 1 | 2020 |
| Methods of Purification of Organic Compounds (Distillation) | 1 | 0 | 0 | 1 | 1 | 2025 |
| Methods of Purification of Organic Compounds (Distillation- Fractional Distillation) | 1 | 0 | 1 | 0 | 1 | 2026 |
| Methods of Purification of Organic Compounds (Sublimationr) | 1 | 1 | 0 | 0 | 1 | 2024 |
| Qualitative Analysis of Organic Compounds (Estimation of Nitrogen (Kjeldahl's Method)) | 1 | 0 | 0 | 1 | 1 | 2022 |
| Stereoisomerism (Geometrical Isomerism) | 1 | 1 | 0 | 0 | 1 | 2025 |
Which topics matter most
Most-tested topics
- Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature): 4 Qs
- Qualitative Analysis of Organic Compounds (Test for Nitrogen, Sulphur and Halogens (Lassaigne'…): 3 Qs
- Hyperconjugation (Hyperconjugation and its Applications): 2 Qs
- Reaction Intermediates (Carbocation): 2 Qs
- Types of Isomerism (Structural Isomerism, Stereoisomerism): 2 Qs
Topics that keep coming back
These appeared in three or more different papers:
- Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature): 4 papers (2021, 2022, 2024 and 2026)
- Qualitative Analysis of Organic Compounds (Test for Nitrogen, Sulphur and Halogens (Lassaigne'…): 3 papers (2023, 2025 and 2026)
What the latest papers asked
Topics from NEET 2026 and Re-NEET 2026:
- Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature)
- Qualitative Analysis of Organic Compounds (Test for Nitrogen, Sulphur and Halogens (Lassaigne'…)
- Hyperconjugation (Hyperconjugation and its Applications)
- Types of Isomerism (Structural Isomerism, Stereoisomerism)
- Methods of Purification of Organic Compounds (Distillation- Fractional Distillation)
Where the hard questions came from
- Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature): 1 hard of 4
- Methods of Purification of Organic Compounds (Distillation): 1 hard of 1
- Qualitative Analysis of Organic Compounds (Estimation of Nitrogen (Kjeldahl's Method)): 1 hard of 1
How to use this data
- Start with the 2 recurring topics above. They account for 7 of the chapter's 21 questions (33%).
- Re-solve the 5 topics from NEET 2026 and Re-NEET 2026, since they show the current style of questions.
- Then attempt the chapter's past questions under a timer and note which topics cost you marks.
Practise Organic Chemistry: Some Basic Principles and Techniques PYQs
Solve every Organic Chemistry: Some Basic Principles and Techniques question from 2020–2026 with solutions on Edurack:
- Practise Organic Chemistry: Some Basic Principles and Techniques PYQs
- See the full Organic Chemistry: Some Basic Principles and Techniques blueprint page
- NEET Chemistry PYQ analysis: all chapters
Related chapters
- Hydrocarbons: #4 in Chemistry, 21 questions
- Chemical Bonding and Molecular Structure: #6 in Chemistry, 19 questions
Frequently Asked Questions
How many questions came from Organic Chemistry: Some Basic Principles and Techniques in NEET 2020–2026?
Organic Chemistry: Some Basic Principles and Techniques contributed 21 NEET Chemistry questions across the 8 papers from 2020–2026, which is 5.3% of the subject.
Which topics of Organic Chemistry: Some Basic Principles and Techniques are asked most often?
The most-tested topics are Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature): 4 Qs, Qualitative Analysis of Organic Compounds (Test for Nitrogen, Sulphur and Halogens (Lassaigne'…): 3 Qs and Hyperconjugation (Hyperconjugation and its Applications): 2 Qs.
Is Organic Chemistry: Some Basic Principles and Techniques easy or difficult in NEET?
Of 21 difficulty-tagged questions, 33% were easy, 53% medium and 14% hard.
Was Organic Chemistry: Some Basic Principles and Techniques asked in NEET 2026?
Yes. It had 4 questions in NEET 2026 and 1 question in Re-NEET 2026.