NCERT Chemistry Class 11
Table of Contents
- NCERT Chemistry Class 11 vs the CBSE Board Syllabus (2026-27)
- What Is NCERT Chemistry Class 11?
- Key Concepts and Formulas Introduced in NCERT Chemistry Class 11
- NCERT Class 11 Chemistry Practicals and Evaluation Scheme
- Why Is NCERT Class 11 Chemistry Important for Boards, JEE, and NEET?
- How to Download the NCERT Class 11 Chemistry PDF?
- Is NCERT Enough for JEE and NEET Chemistry Preparation?
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NCERT Chemistry Class 11 vs the CBSE Board Syllabus (2026-27)
A common point of confusion for students downloading NCERT Chemistry Class 11 is that the full textbook has 14 chapters, but the current CBSE board theory syllabus (2026-27) is rationalized to focus on 9 core units for the 70-mark theory paper. Chapters like States of Matter, Hydrogen, the s-Block Elements, and Environmental Chemistry are retained in the NCERT book as foundational reading but are not directly assessed as separate high-weightage board units the way the 9 core chapters are.
CBSE Class 11 Chemistry Board Syllabus 2026-27 — Unit-wise Weightage
| Unit | Chapter (from NCERT Class 11 Chemistry Book) | Marks |
|---|---|---|
| I | Some Basic Concepts of Chemistry | 7 |
| II | Structure of Atom | 9 |
| III | Classification of Elements and Periodicity in Properties | 6 |
| IV | Chemical Bonding and Molecular Structure | 7 |
| V | Chemical Thermodynamics | 9 |
| VI | Equilibrium | 7 |
| VII | Redox Reactions | 4 |
| VIII | Organic Chemistry – Some Basic Principles and Techniques | 11 |
| IX | Hydrocarbons | 10 |
| Total (Theory) | 70 | |
| Practicals | 30 | |
| Grand Total | 100 |
This is exactly why NEET and JEE aspirants are often advised not to skip the "extra" chapters (States of Matter, Hydrogen, s-Block, Environmental Chemistry) even though they carry less direct board weightage — competitive exams test the complete NCERT Chemistry Class 11 syllabus, not just the 9 board-weighted units.
What Is NCERT Chemistry Class 11?
NCERT Chemistry Class 11 is the chemistry textbook prescribed by the CBSE board and published by the National Council of Educational Research and Training (NCERT). It is the single most important resource for Class 11 Science students, since CBSE frames its board question papers directly from NCERT content, and both JEE and NEET draw a large share of their Chemistry questions from concepts first introduced here.
Unlike a supplementary guide, the NCERT Class 11 Chemistry Book is designed to build core conceptual foundations — from the mole concept and atomic structure to chemical bonding, thermodynamics, equilibrium, and organic chemistry basics — that every higher-level chemistry topic in Class 12 and competitive exams builds upon.
NCERT Class 11 Chemistry Book: Structure (Part 1 and Part 2)
The NCERT Class 11 Chemistry Book is published in two parts, together containing 14 chapters. Part 1 focuses on physical and general chemistry, while Part 2 covers inorganic and introductory organic chemistry.
NCERT Chemistry Class 11 — Full Chapter List (Part 1 & Part 2)
| Part | Chapter No. | Chapter Name |
|---|---|---|
| Part 1 | 1 | Some Basic Concepts of Chemistry |
| Part 1 | 2 | Structure of the Atom |
| Part 1 | 3 | Classification of Elements and Periodicity in Properties |
| Part 1 | 4 | Chemical Bonding and Molecular Structure |
| Part 1 | 5 | States of Matter |
| Part 1 | 6 | Chemical Thermodynamics |
| Part 1 | 7 | Equilibrium |
| Part 2 | 8 | Redox Reactions |
| Part 2 | 9 | Hydrogen |
| Part 2 | 10 | The s-Block Elements |
| Part 2 | 11 | Some p-Block Elements |
| Part 2 | 12 | Organic Chemistry – Some Basic Principles and Techniques |
| Part 2 | 13 | Hydrocarbons |
| Part 2 | 14 | Environmental Chemistry |
How to Download the NCERT Class 11 Chemistry PDF?
Chapter-wise PDFs for NCERT Class 11 Chemistry can be downloaded for free from the official NCERT website (ncert.nic.in) or from the links provided in the table below. Downloading individual chapters — rather than the entire book — lets you focus on one topic at a time and is especially useful during revision weeks before board exams.
Which Chapters Are in NCERT Class 11 Chemistry Part 1 and Part 2?
NCERT Class 11 Chemistry has 14 chapters split equally across two parts. Here is a full breakdown:
NCERT Book for Class 11 Chemistry Chapter Wise PDF Download
Part -1
| Chapter | Chapter Name | Download |
| Chapter 1 | Some Basic Concepts of Chemistry | Download PDF |
| Chapter 2 | Structure of Atom | Download PDF |
| Chapter 3 | Classification of Elements and Periodicity in Properties | Download PDF |
| Chapter 4 | Chemical Bonding and Molecular Structure | Download PDF |
| Chapter 5 | States of Matter | Download PDF |
| Chapter 6 | Thermodynamics | Download PDF |
| Chapter 7 | Equilibrium | Download PDF |
India's Best Exam Preparation for Class 11th - Download Now
Part -2
| Chapter | Chapter Name | Download |
| Chapter 8 | Redox Reactions | Download PDF |
| Chapter 9 | Hydrogen | Download PDF |
| Chapter 10 | The s-Block Elements | Download PDF |
| Chapter 11 | The p-Block Elements | Download PDF |
| Chapter 12 | Organic Chemistry: Some Basic Principles and Techniques | Download PDF |
| Chapter 13 | Hydrocarbons | Download PDF |
| Chapter 14 | Environmental Chemistry | Download PDF |
For worked solutions to in-text and exercise questions, refer to NCERT Solutions for Class 12 Chemistry — helpful if you want to preview what Class 12 builds on — or explore all NCERT Solutions in one place.
| 👍Students who score 90+ in Class 11 Chemistry boards almost always complete NCERT twice — once for understanding and once for revision. The second read takes a fraction of the time but doubles retention. Pair this with eSaral's 5-layer doubt-solving system, and you will never be stuck on a concept for more than 24 hours |
Is NCERT Enough for JEE and NEET Chemistry Preparation?
For NEET-UG
NCERT Class 11 and Class 12 Chemistry books together cover approximately 60–70% of NEET Chemistry in terms of direct conceptual questions. For NEET, reading NCERT word-for-word — including footnotes and diagrams — is essential. Every reaction mechanism in Organic Chemistry (Chapters 12 and 13) and every property listed in s-block and p-block chapters can become a NEET question. Once you've built this base, check your exact chapter weightage with eSaral's NEET Chemistry Weightage breakdown to prioritize revision
For JEE Main
JEE Main Chemistry is roughly split into three segments: Physical, Inorganic, and Organic. NCERT covers Inorganic and conceptual Organic very well. Physical Chemistry — particularly Thermodynamics, Equilibrium, and Electrochemistry — needs additional numerical practice beyond NCERT exercises. Struggling to apply these concepts under timed conditions? eSaral's JEE Test Series is built specifically around this NCERT-first approach.
For JEE Advanced
JEE Advanced requires a depth of reasoning that goes beyond NCERT. However, every JEE Advanced Chemistry question has its roots in NCERT concepts. The book must be mastered first before moving to advanced resources.
For solutions to Class 11 Physics and Maths alongside Chemistry preparation, refer to NCERT Solutions for Class 11 Physics — particularly useful for students managing multi-subject boards and JEE prep simultaneously. The book must be mastered first before moving to advanced resources — JEE Advanced Chapterwise PYQ is a good next step to test that mastery.
Explore More on eSaral (Related NCERT Class 11 Chemistry Resources)
- Download the complete chapter-wise NCERT Class 11 Chemistry Book PDF: NCERT Books for Class 11 Chemistry – Free PDF Download →
- Practice extra questions beyond the textbook: NCERT Exemplar Class 11 Chemistry – Free PDF Download →
- Need the Hindi-medium version of the book? NCERT Class 11 Chemistry Book PDF in Hindi →
- Browse NCERT books for all Class 11 subjects: NCERT Books Class 11 PDF Download – All Subjects →
- Test your Class 11 Chemistry concepts under exam conditions: Explore eSaral's NEET Test Series →
- Practice previous year questions chapter-wise: JEE Main Chapterwise PYQ with Solutions →
Reading NCERT Chemistry Class 11 but still confused about which concepts matter most for boards vs JEE/NEET? eSaral's Class 11 Chemistry course, taught by IIT Bombay faculty, walks through every NCERT chapter with structured notes, solved examples, and a 5-layer doubt-solving system built specifically around the NCERT syllabus. Start your free eSaral Class 11 Chemistry demo class today →
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Frequently Asked Questions
Find answers to common questions.
How many chapters are in the NCERT Class 11 Chemistry book?
The NCERT Class 11 Chemistry book has 14 chapters in total — 7 in Part 1 and 7 in Part 2. Part 1 covers physical and general chemistry (Chapters 1–7), while Part 2 focuses on inorganic chemistry and introductory organic chemistry (Chapters 8–14). Both parts are available as free PDF downloads from the official NCERT website.
Is the NCERT Class 11 Chemistry book available in Hindi medium?
Yes. NCERT publishes the Class 11 Chemistry book in both English and Hindi medium. The Hindi medium version, titled Rasayan Vigyan Bhag 1 and Bhag 2, follows the same chapter structure and content. It can be downloaded chapter-wise from ncert.nic.in or from the links provided on this page.
Is NCERT Class 11 Chemistry enough for CBSE board exams?
For CBSE Class 11 board exams, NCERT is sufficient for roughly 90–95% of the paper. All definitions, reactions, and examples in board exam questions are drawn from NCERT text and exercises. Solving all end-of-chapter questions and understanding all in-text examples is the minimum preparation required to score well
Which chapters in NCERT Class 11 Chemistry are most important for JEE Main?
The highest-weightage chapters for JEE Main from NCERT Class 11 Chemistry are: Chemical Bonding and Molecular Structure (Chapter 4), Thermodynamics (Chapter 6), Equilibrium (Chapter 7), Organic Chemistry Basics (Chapter 12), and Hydrocarbons (Chapter 13). Physical Chemistry chapters require additional numerical practice beyond the NCERT exercises alone.
Can I rely on NCERT Class 11 Chemistry for NEET-UG preparation?
Yes, NCERT is the primary source for NEET Chemistry. Chapters on s-block elements, p-block elements, hydrocarbons, and environmental chemistry are frequently tested in NEET and appear almost verbatim from NCERT. Reading every line — including tables and footnotes — is strongly recommended by top NEET educators.
Where can I find solved answers to NCERT Class 11 Chemistry exercises?
Solved NCERT Class 11 Chemistry exercise answers are available on eSaral's NCERT Solutions section. These solutions are prepared by IIT Bombay faculty and provide step-by-step explanations for both in-text examples and end-of-chapter questions. For Class 12 preparation planning, also check NCERT Solutions for Class 12 Chemistry.
Which chapters of NCERT Chemistry Class 11 do students find most difficult?
tructure of Atom, Chemical Thermodynamics, and Equilibrium are commonly found challenging due to their conceptual depth and heavy numerical component.
How many marks are allotted to practicals in NCERT Chemistry Class 11?
Practicals carry 30 marks, split across volumetric analysis (8), salt analysis (8), a content-based experiment (6), project work (4), and class record with viva voce (4).
What is the difference between the full NCERT Class 11 Chemistry Book and the CBSE board syllabus?
The full NCERT book has 14 chapters, but the current CBSE board theory syllabus (2026-27) is rationalized to focus on 9 core units worth 70 marks; the remaining chapters (States of Matter, Hydrogen, s-Block, Environmental Chemistry) are still important for JEE and NEET.
Which chapters of NCERT Chemistry Class 11 carry the highest marks in boards?
Organic Chemistry – Some Basic Principles and Techniques (11 marks) and Hydrocarbons (10 marks) are the highest-weightage chapters in the CBSE Class 11 Chemistry theory paper.