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Organic Chemistry Chapters for NEET 2027 with Weightage will help students recognise the concepts which have been appearing frequently in the previous NEET Chemistry section. Some important concepts in Organic Chemistry include fundamentals of organic chemistry, hydrocarbons, halides, oxides, nitrogens, biomolecules, and practical organic chemistry.
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The weightages in each chapter in the following table have been estimated based on the analysis of previous NEET question papers and are provided solely for guidance purposes. NTA does not fix the number of questions from each chapter. Candidates should prepare as per the latest official NEET exam syllabus and cover all the prescribed topics in Organic Chemistry.
Note: The syllabus of NEET UG 2027 has not been released officially yet. Until the documents related to NEET 2027 are released by NTA and NMC, candidates can follow the syllabus that is officially available and confirm the changes once the notification of 2027 is released. The latest syllabus notification of NMC is for NEET UG 2026.
Examining the last year’s questions can be an effective way for candidates to gauge the significance of Organic Chemistry chapters in the NEET examination. But NTA has not assigned any number of questions for each chapter. This is because the question distribution may differ every year, and hence the importance should be treated as a guide only.
The following table contains the chapter-wise weightage for NEET Chemistry from past exams. Candidates may utilise the information to focus on preparation of their most important chapters while covering the entire Organic Chemistry syllabus.
Chapter Name | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Total |
0 | 2 | 3 | 4 | 4 | 2 | 15 | |
2 | 2 | 4 | 2 | 1 | 0 | 11 | |
3 | 3 | 1 | 5 | 4 | 6 | 22 | |
1 | 0 | 1 | 2 | 2 | 3 | 9 | |
3 | 2 | 1 | 2 | 2 | 0 | 10 | |
5 | 2 | 3 | 0 | 1 | 2 | 13 | |
2 | 2 | 4 | 0 | 3 | 1 | 12 |
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Based on the latest syllabus and how past exams have actually gone, here's what matters most in NEET Organic Chemistry:
Chapter | Important Topics |
Purification and Characterisation of Organic Compounds | Crystallisation, sublimation, distillation, differential extraction, chromatography and qualitative analysis |
Some Basic Principles of Organic Chemistry | IUPAC nomenclature, isomerism, hybridisation, electronic effects, reaction intermediates and types of organic reactions |
Hydrocarbons | Alkanes, alkenes, alkynes, aromatic hydrocarbons, preparation, properties and important reactions |
Organic Compounds Containing Halogens | Preparation, properties, C–X bond, substitution reactions and environmental effects of important halogen compounds |
Organic Compounds Containing Oxygen | Alcohols, phenols, ethers, aldehydes, ketones, carboxylic acids and important reactions |
Organic Compounds Containing Nitrogen | Amines, nomenclature, basic character, preparation, reactions and diazonium salts |
Biomolecules | Carbohydrates, proteins, vitamins, nucleic acids and hormones |
Principles Related to Practical Chemistry | Detection of nitrogen, sulphur and halogens, functional group tests and organic compound preparation |
Begin With Some Basic Principles of Organic Chemistry because topics like electronic effect, resonance, reaction intermediates, and isomerism aid in comprehending the latter topics covered in upcoming chapters.
Study the NCERT textbook thoroughly and make notes of all Important Chemistry formulas, reactions, exceptions, and statements of fact.
Practice the IUPAC nomenclature and isomerism instead of studying them just before the examination.
Study reaction mechanisms along with the conditions in which a particular reaction takes place instead of memorising reactions separately.
Maintain a reaction notebook including reactions, reagents, products, and exceptions.
Practice NEET chemistry PYQs on a chapter-wise basis after completing every chapter.
Practice questions of Organic Chemistry including reactions from various chapters.
Sticking with this around the NEET Chemistry chapter-wise weightage usually shows up as better scores when the actual exam comes around.
NCERT for Classes 11 and 12 remains the foundation since that's where most questions come from directly. A few extra books can add more depth and give more practice on top of that.
Combine NCERT with the right reference and practice books, and covering every topic while solving Chemistry problems gets a lot easier.
Book Name | Why It’s Good |
NCERT Chemistry Textbooks | Clear basics and important for NEET |
Modern’s ABC of Chemistry | Good for extra practice and revision |
Dinesh Chemistry Guide | Simple explanations and practice |
Organic Chemistry Practice Book | Lots of practice questions for NEET |
According to the previous year trends, Hydrocarbons, Basic Principles and Techniques of Organic Chemistry, Aldehydes, Ketones and Carboxylic Acids, Amines, Biomolecules, Alcohols, Phenols and Ethers, and Haloalkanes and Haloarenes require revision.
Nevertheless, weightage is more important than the selection of syllabus topics in revising. A student appearing for NEET 2027 needs to revise all the topics of the syllabus.
Organic Chemistry carries approximately one-third weightage of the total NEET Chemistry portion according to analysis of question papers of previous years. However, the number of questions can differ every year, so the above distribution is just a guide for preparation purposes. Topics like Hydrocarbons, Alcohols, Phenols, and Ethers, Aldehydes, Ketones, and Carboxylic Acids, Nitrogen Compounds, etc., have appeared consistently in previous years' question papers. Concentration on these topics along with the entire syllabus will be quite beneficial for NEET preparation.
Start with NCERT, plain and simple, and make sure every concept and reaction is genuinely clear before moving on. High-weightage chapters, IUPAC nomenclature, reaction mechanisms, and named reactions all need extra practice beyond that. Previous years' NEET questions, combined with repeated mock tests, build real speed over time. Summary notes and regular revisits to key reactions also make it a lot easier to recall everything that matters when exam day actually comes.
Frequently Asked Questions (FAQs)
There are 7 main organic chemistry chapters in the NEET syllabus.
Skipping organic chemistry for NEET is not recommended. It's high-scoring, and around 30–35% of chemistry questions are from organic chemistry.
Yes, in Biochemistry during 1st year mostly applied organic chemistry (like metabolism, enzymes, biomolecules).
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