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    Organic Chemistry Chapters for NEET 2027 - Organic Chemistry Weightage

    Organic Chemistry Chapters for NEET 2027 - Organic Chemistry Weightage

    Irshad AnwarUpdated on 14 Oct 2026, 12:11 PM IST

    Organic Chemistry is one of the important topics of NEET 2027 Chemistry syllabus. Students must be familiar with the fundamental concepts, reaction mechanisms, named reactions, and properties of organic compounds to answer the questions accurately. The Organic Chemistry topics in NEET 2027 include basic concepts, hydrocarbons, compounds of halogens, oxygen, and nitrogen, biomolecules, and practical chemistry.

    This Story also Contains

    1. Organic Chemistry Weightage NEET 2027
    2. NEET 2027 Organic Chemistry Syllabus and Important Topics
    3. Most Important Organic Chemistry Chapters for NEET 2027 and How Many Organic Chemistry Chapters in NEET
    4. Class 11 vs Class 12 Organic Chemistry Chapters for NEET 2027
    5. NEET Organic Chemistry Named Reactions
    6. How to Prepare Organic Chemistry for NEET 2027?
    7. Best Books for NEET Organic Chemistry
    8. What are the most Important Organic Chemistry Chapters for NEET?
    9. How much Weightage does Organic Chemistry have in the NEET Chemistry section?
    10. How Can I Improve My Organic Chemistry Preparation for NEET 2027?
    Organic Chemistry Chapters for NEET 2027 - Organic Chemistry Weightage
    Organic Chemistry Chapters for NEET 2027 with Weightage

    The candidates preparing for NEET 2027 may go through the trend of previous years' questions to know which chapters require more revision. Hydrocarbons were the topic with the maximum cumulative number of questions in the 2021–2026 data given below. However, NTA does not specify the number of questions from each chapter in NEET 2027; thus, students must prepare the entire prescribed syllabus. Students may go through the preparation material for the NEET exam and the syllabus for NEET 2027 before planning for their studies.

    Organic Chemistry Weightage NEET 2027

    The Organic Chemistry NEET chapter-wise weightage will enable students to know how questions have been divided amongst different topics in past papers. The following is a table that shows the historical data provided from 2021 to 2026.

    The NTA does not give any assurance that this trend will be maintained in NEET 2027. These numbers should only be used as a guideline while revising.

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    NEET 2027 Organic Chemistry Syllabus and Important Topics

    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

    Most Important Organic Chemistry Chapters for NEET 2027 and How Many Organic Chemistry Chapters in NEET

    There are 8 Organic Chemistry chapters considered for NEET 2027 in this classification. These include:

    1. Some Basic Principles of Organic Chemistry

    2. Hydrocarbons

    3. Organic Compounds Containing Halogens

    4. Alcohols, Phenols and Ethers

    5. Aldehydes, Ketones and Carboxylic Acids

    6. Organic Compounds Containing Nitrogen

    7. Biomolecules

    8. Chemistry in Everyday Life

    Considering the trend of questions asked in the previous year, Hydrocarbons had the highest number of total questions in the above table, followed by Organic Chemistry: Basic Principles and Techniques and Aldehydes, Ketones and Carboxylic Acids.

    It is suggested that candidates not ignore any chapters despite having low weightage. The number of questions may vary every year, hence, it is essential to complete the entire syllabus for NEET 2027 preparation.

    Class 11 vs Class 12 Organic Chemistry Chapters for NEET 2027

    Knowing which chapters belong to Class 11 and Class 12 can help candidates plan their preparation in the right order.

    Class 11 Organic Chemistry Chapters

    Class 12 Organic Chemistry Chapters

    Some Basic Principles of Organic Chemistry

    Haloalkanes and Haloarenes

    Hydrocarbons

    Alcohols, Phenols and Ethers


    Aldehydes, Ketones and Carboxylic Acids


    Amines


    Biomolecules


    Chemistry in Everyday Life

    Students need to initially cover the basic portion of Class 11th and cover portions like nomenclature, isomerism, hybridisation, electronic effects, and reaction intermediates. Once students build this basic base, they can cover the Class 12th chapters.

    NEET Syllabus: Subjects & Chapters
    Select your preferred subject to view the chapters

    NEET Organic Chemistry Named Reactions

    Named reactions are an important part of Organic Chemistry preparation. Candidates should learn the reaction, reagents, conditions, products and basic mechanism instead of memorising only the reaction name.

    Named Reaction/Mechanism

    Chapter

    Aldol Condensation

    Aldehydes, Ketones and Carboxylic Acids

    Cannizzaro Reaction

    Aldehydes, Ketones and Carboxylic Acids

    Reimer-Tiemann Reaction

    Alcohols, Phenols and Ethers

    Sandmeyer Reaction

    Organic Compounds Containing Nitrogen

    Friedel-Crafts Alkylation and Acylation

    Hydrocarbons

    Nucleophilic Substitution (SN1/SN2)

    Haloalkanes and Haloarenes

    Grignard Reagent Reaction

    Alcohols, Phenols and Ethers / Carbonyl Compounds

    Haloform Reaction

    Aldehydes and Ketones

    Wolff-Kishner Reduction

    Aldehydes and Ketones

    Clemmensen Reduction

    Aldehydes and Ketones

    How to Prepare Organic Chemistry for NEET 2027?

    Begin With Some Basic Principles of Organic Chemistry because topics like electronic effects, 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.

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    Sticking with this around the NEET Chemistry chapter-wise weightage usually shows up as better scores when the actual exam comes around.

    Best Books for NEET Organic Chemistry

    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

    What are the most Important Organic Chemistry Chapters 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 revision. A student appearing for NEET 2027 needs to revise all the topics of the syllabus.

    How much Weightage does Organic Chemistry have in the NEET Chemistry section?

    Organic Chemistry comprises a significant portion of the NEET Chemistry paper. But the weightage of Organic Chemistry differs from one examination to another, and there is no fixed weightage as per NTA.

    The Chemistry paper consists of 45 questions of 180 marks as per the new NEET exam pattern. Candidates must refer to the latest examination notice for the current pattern and marking scheme.

    Instead of depending on the percentage of questions, students should solve the previous year’s question papers and revise the chapters as per their own knowledge and performance in the practice tests.

    How Can I Improve My Organic Chemistry Preparation for NEET 2027?

    Students must build a solid base in naming, isomerism, hybridisation, and electronic effects. Once students have studied all the basics, they should move on to reaction mechanisms and then revise key reactions in every chapter.

    Regular reading of NCERT, practice of reactions, solving previous year questions and mock tests can help in improving accuracy. Students should keep short revision notes for themselves and revise important reactions and reagents.

    Frequently Asked Questions (FAQs)

    Q: Which Organic Chemistry chapters are in Class 11 and which are in Class 12 for NEET?
    A:

    Some Basic Principles of Organic Chemistry and Hydrocarbons come under the Organic Chemistry chapters of Class 11, while Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, Amines, Biomolecules and Chemistry in Everyday Life come under Class 12.

    Q: Are named reactions important for NEET Organic Chemistry?
    A:

    Yes, Named Reactions play a key role in preparing for NEET Organic Chemistry. Candidates must understand the reaction conditions, reagents, product, and mechanism involved in the reaction along with the reaction name.

    Q: Is Chemistry in Everyday Life part of the NEET 2027 Organic Chemistry syllabus?
    A:

    Chemistry in Everyday Life is also one of the eight Organic Chemistry chapters included in this classification for NEET 2027.

    Q: How many Organic Chemistry questions came in NEET 2026?
    A:

    According to the analysis of the Organic Chemistry chapters of NEET given above, there were 14 questions from these chapters in 2026.

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