Class 11 Chemistry NCERT Book PDF in Hindi (2026-27): Part 1 & 2, All 9 Units
eSaral Academic and Editorial Team
Summary
The Class 11 Chemistry NCERT Book PDF in Hindi (रसायन) is published in two parts and now has 9 units (एकक) in total. Part 1 covers Units 1 to 6, from रसायन विज्ञान की कुछ मूल अवधारणाएँ to साम्यावस्था. Part 2 covers Units 7 to 9: अपचयोपचय अभिक्रियाएँ, कार्बनिक रसायन and हाइड्रोकार्बन. Five chapters of the older 14-chapter book are no longer in the textbook. You can download each unit separately from the table below.
eSaral> Class 11> Class 11 Chemistry NCERT Book PDF Download in Hindi
About the Class 11 Chemistry NCERT Book PDF (Hindi Medium)
NCERT's Class 11 Chemistry textbook is the base of the CBSE syllabus and is printed in two parts. For the 2026-27 session, the Reprint 2026-27 edition is in use, and it has 9 units. The book also lays the foundation for competitive exams such as JEE Main, JEE Advanced and NEET.
For Hindi-medium students, the Class 11 Chemistry NCERT Book PDF is especially useful. The Hindi edition is an official translation prepared by NCERT's Hindi translation team, and it covers the same subject matter as the English book. Understanding a concept in the language you think in improves both recall and accuracy.
Who should download this book?
- Class 11 Hindi-medium students following CBSE or state boards that use NCERT
- NEET aspirants who need a strong Chemistry foundation
- JEE Main aspirants who want clarity in Physical and Organic Chemistry
- Dropper students revising Class 11 from scratch
Class 11 Chemistry NCERT Book PDF – Quick Facts
Detail | Information |
|---|---|
Publisher | NCERT (राष्ट्रीय शैक्षिक अनुसंधान और प्रशिक्षण परिषद्) |
Class | 11 |
Medium | Hindi |
Parts | 2 (Part 1: Units 1–6, Part 2: Units 7–9) |
Total units | 9 |
Edition | Reprint 2026-27 |
Book code | 11084 (Part 1), 11085 (Part 2) |
Used for | CBSE Board, JEE Main, JEE Advanced, NEET |
PDF availability | Free |
Class 11 Chemistry NCERT Book PDF Download – Chapterwise (Part 1 & Part 2)
The table below lists all 9 units of the Class 11 Chemistry NCERT Book PDF across both parts. The Hindi book calls its chapters "एकक" (units).
Unit (एकक) | Chapter name (Hindi) | Chapter name (English) | |
|---|---|---|---|
Part 1 – रसायन भाग 1 | |||
एकक 1 | रसायन विज्ञान की कुछ मूल अवधारणाएँ | Some Basic Concepts of Chemistry | |
एकक 2 | परमाणु की संरचना | Structure of Atom | |
एकक 3 | तत्त्वों का वर्गीकरण एवं गुणधर्मों में आवर्तिता | Classification of Elements and Periodicity in Properties | |
एकक 4 | रासायनिक आबंधन तथा आण्विक संरचना | Chemical Bonding and Molecular Structure | |
एकक 5 | ऊष्मागतिकी | Thermodynamics | |
एकक 6 | साम्यावस्था | Equilibrium | |
Part 2 – रसायन भाग 2 | |||
एकक 7 | अपचयोपचय अभिक्रियाएँ | Redox Reactions | |
एकक 8 | कार्बनिक रसायन : कुछ आधारभूत सिद्धांत तथा तकनीकें | Organic Chemistry: Some Basic Principles and Techniques | |
एकक 9 | हाइड्रोकार्बन | Hydrocarbons |
Need solutions and notes? For step-by-step answers to every unit, see NCERT Solutions for Class 11 Chemistry. If you want the English-medium book, open the English medium NCERT Chemistry Class 11 book page. Books for all Class 11 subjects are on the NCERT Books Class 11 page.
What Changed in the New Book? (14 Chapters to 9 Units)
The Reprint 2026-27 edition of the Class 11 Chemistry NCERT Book PDF is a rationalised edition ("पाठ्य सामग्री का पुनर्संयोजन"). Compared with the older 14-chapter book, note the following:
- Five chapters are no longer in the book: द्रव्य की अवस्थाएँ (States of Matter), हाइड्रोजन (Hydrogen), s-ब्लॉक तत्त्व (s-Block Elements), p-ब्लॉक तत्त्व (p-Block Elements) and पर्यावरणीय रसायन (Environmental Chemistry).
- Later chapters have new numbers.
Topic | Old book | New book (2026-27) |
|---|---|---|
रसायन विज्ञान की कुछ मूल अवधारणाएँ | Chapter 1 | Unit 1 |
परमाणु की संरचना | Chapter 2 | Unit 2 |
तत्त्वों का वर्गीकरण एवं आवर्तिता | Chapter 3 | Unit 3 |
रासायनिक आबंधन | Chapter 4 | Unit 4 |
ऊष्मागतिकी | Chapter 6 | Unit 5 |
साम्यावस्था | Chapter 7 | Unit 6 |
अपचयोपचय अभिक्रियाएँ | Chapter 8 | Unit 7 |
कार्बनिक रसायन के आधारभूत सिद्धांत | Chapter 12 | Unit 8 |
हाइड्रोकार्बन | Chapter 13 | Unit 9 |
An important note for JEE and NEET students: a chapter leaving the textbook does not automatically mean it has left the entrance-exam syllabus. The syllabus for JEE Main and NEET is set by NTA and NMC, not by the board. Before skipping any of these five topics, check the latest official syllabus for your exam on the JEE Main Syllabus and NEET Syllabus pages. eSaral's Class 11 Chemistry Notes also carry material on these topics.
When you use older PDFs or notes, match chapters by name, not by number. Also check your own board's latest syllabus once.
What Does Each Unit Cover in the Class 11 Chemistry NCERT Book PDF?
The table below follows the contents pages of the Class 11 Chemistry NCERT Book PDF.
Unit | Main topics |
|---|---|
1. रसायन विज्ञान की कुछ मूल अवधारणाएँ | Nature of matter, uncertainty in measurement, laws of chemical combination, Dalton's atomic theory, mole concept and molar mass, percentage composition, stoichiometry |
2. परमाणु की संरचना | Subatomic particles, atomic models, Bohr's model for the hydrogen atom, quantum mechanical model of the atom |
3. तत्त्वों का वर्गीकरण एवं गुणधर्मों में आवर्तिता | Origin of the periodic table, modern periodic law, electronic configurations and s, p, d, f blocks, periodic trends |
4. रासायनिक आबंधन तथा आण्विक संरचना | Kössel–Lewis approach, ionic bond, bond parameters, VSEPR theory, valence bond theory, hybridisation, molecular orbital theory, hydrogen bonding |
5. ऊष्मागतिकी | Thermodynamic terms, applications, measurement of ΔU and ΔH, enthalpy changes, spontaneity, Gibbs energy and equilibrium |
6. साम्यावस्था | Equilibrium in physical and chemical processes, equilibrium constant, factors affecting equilibrium, ionic equilibrium, acids, bases and salts, buffer solutions, solubility equilibria |
7. अपचयोपचय अभिक्रियाएँ | Redox as electron transfer, oxidation number, redox reactions and electrode processes |
8. कार्बनिक रसायन : कुछ आधारभूत सिद्धांत तथा तकनीकें | Tetravalence of carbon, structural representation, classification, nomenclature, isomerism, reaction mechanism basics, purification methods, qualitative and quantitative analysis |
9. हाइड्रोकार्बन | Alkanes, alkenes, alkynes, aromatic hydrocarbons, carcinogenicity and toxicity |
Formulas like molality are used often in the mole concept of Unit 1, so see eSaral's Molality Formula page. For Unit 2, read the Structure of Atom notes.
Unit Priority: Board vs JEE Main vs NEET
Unit | Board Exam | JEE Main | NEET | Priority |
|---|---|---|---|---|
1. Basic Concepts | High | High | High | 🔴 High |
2. Structure of Atom | High | High | High | 🔴 High |
3. Periodicity | High | Medium | High | 🟡 Medium–High |
4. Chemical Bonding | High | High | High | 🔴 High |
5. Thermodynamics | High | High | High | 🔴 High |
6. Equilibrium | High | High | High | 🔴 High |
7. Redox Reactions | Medium | Medium | Medium | 🟡 Medium |
8. Organic Chemistry Basics | High | Very High | Very High | 🔴 Very High |
9. Hydrocarbons | High | High | High | 🔴 High |
This is an approximate priority guide for the units of the Class 11 Chemistry NCERT Book PDF. Exact weightage changes with each year's paper pattern.
Is the Class 11 Chemistry NCERT Book PDF Enough for JEE and NEET?
For CBSE Boards: the Class 11 Chemistry NCERT Book PDF is the main source. Finish every example and exercise in the book first.
For JEE Main: NCERT is the essential base, but it is not enough on its own. JEE asks application-level questions and numericals, so after NCERT, practise chapterwise PYQs and question banks.
For NEET: NCERT is the most important source, so read every unit line by line. Pay special attention to the examples, in-text questions and tables in NCERT.
In both exams, Class 11 Chemistry connects with Class 12, so do not take it lightly.
Start your JEE and NEET preparation: eSaral JEE Courses | eSaral NEET Courses
How to Study NCERT Chemistry (Step-by-Step)
Follow this simple sequence while studying from the Class 11 Chemistry NCERT Book PDF.
Step 1 — Read for understanding: read the whole unit once without memorising, and watch how one idea leads to the next.
Step 2 — Mark definitions and reactions: on the second read, highlight definitions, laws, formulas and reactions. The Hindi book uses Hindi terms, so also note the English names for competitive exams.
Step 3 — Solve the exercises: do every end-of-unit question and in-text question. If you get stuck, check with NCERT Solutions for Class 11 Chemistry.
Step 4 — Write a summary from memory: once a unit is done, write a one-page summary without looking. For quick revision, use the Class 11 Chemistry Notes and Mind Maps.
Step 5 — Practise at a higher level: solve NCERT Exemplar Class 11 Chemistry and the JEE Main Chapterwise PYQ or NEET Chapterwise PYQ.
Step 6 — Take tests: finally, check your preparation with a JEE Test Series or NEET Test Series.
How Class 11 Chemistry Builds the Base for Class 12
The units of the Class 11 Chemistry NCERT Book PDF are the base of Class 12 Chemistry, because Class 12 rests on Class 11 concepts. Some direct links:
- Thermodynamics → Electrochemistry: enthalpy, entropy and Gibbs energy are used in electrochemical cell calculations.
- Equilibrium → Chemical kinetics and solutions: the equilibrium constant and Le Chatelier's principle come up again and again in later chapters.
- Organic basics + Hydrocarbons → Haloalkanes, alcohols, aldehydes, amines: if your Class 11 organic chemistry is weak, the Class 12 organic chapters become very hard.
- Periodicity → d- and f-block elements: electronic configurations and property trends apply directly there.
After Class 11, continue your practice with NCERT Solutions Class 12. Study the other subjects the same way with the Class 11 Physics NCERT Book (Hindi) and the Class 11 Maths NCERT Book (Hindi).
How to Download the Class 11 Chemistry NCERT Book PDF
- Find the part and unit name in the chapterwise table above
- Click "Download PDF"
- The PDF opens in a new tab
- Save it to your device with the browser's download button (⬇️)
- Use any PDF reader app to read it offline
To read on mobile, install the eSaral App. It has video lectures, practice questions and doubt solving in one place.
Also Read
- NCERT Solutions for Class 11 Chemistry
- NCERT Exemplar Class 11 Chemistry
- Class 11 Chemistry Notes (IIT JEE & NEET)
- Chemistry Important Questions Class 11
- JEE Main Important Questions
- NEET Important Questions
- JEE Main Revision Notes
- NEET Revision Notes
If you have any Confusion related to Class 11 chemistry NCERT book pdf in Hindi then feel free to ask in the comments section down below. To watch Free Learning Videos on Physics by Prateek Gupta sir Install the eSaral App
Frequently Asked Questions
Class 11 Chemistry NCERT Book PDF हिंदी में कहाँ से download करें?
You can download all 9 units of the Class 11 Chemistry NCERT Book PDF, chapter by chapter and free of cost, from the table on this page. The official book is also available on NCERT's website (ncert.nic.in). No signup is needed, and you can also read the PDFs on your phone through the eSaral App.
NCERT Class 11 Chemistry में कुल कितने chapters (units) हैं?
The Class 11 Chemistry NCERT Book PDF for 2026-27 has 9 units in total. Part 1 has Units 1 to 6 and Part 2 has Units 7 to 9. The earlier book had 14 chapters.
Class 11 Chemistry से कौन से chapters हटाए गए हैं?
द्रव्य की अवस्थाएँ (States of Matter), हाइड्रोजन (Hydrogen), s-ब्लॉक तत्त्व, p-ब्लॉक तत्त्व and पर्यावरणीय रसायन (Environmental Chemistry) are no longer in the book. Because of this, the numbers of Thermodynamics, Equilibrium, Redox, Organic Chemistry and Hydrocarbons have changed. Check the official JEE Main and NEET syllabus to see whether these topics are still asked in those exams.
NCERT Chemistry Class 11 के notes कहाँ से मिलेंगे?
eSaral provides chapter-wise Class 11 Chemistry Notes that follow the NCERT structure closely and are useful for JEE and NEET revision. They also cover topics such as States of Matter, Hydrogen and the s- and p-block elements, which are no longer in the textbook. Students in eSaral's online courses also get doubt-solving support, so no question goes unanswered.
क्या Class 11 Chemistry की Hindi NCERT book और English book में content same होता है?
Yes. The Hindi book (रसायन भाग 1 और भाग 2) is NCERT's official Hindi translation and covers the same subject matter as the English book. If you are more comfortable in Hindi, use this edition without worry. For the English edition, see eSaral's NCERT Chemistry Class 11 book page.
क्या NCERT Class 11 Chemistry JEE Main के लिए काफी है?
NCERT is the essential base for JEE Main but is not enough on its own. JEE also asks application-level questions and numericals, so after NCERT, practise chapterwise PYQs and mock tests. eSaral's JEE courses and JEE Test Series can help with that practice.
NEET के लिए Class 11 Chemistry NCERT book कितनी important है?
NCERT is the most important source for NEET, so read it carefully at least twice. Give special attention to chemical bonding, thermodynamics, equilibrium and organic chemistry. eSaral's NEET courses and NEET Test Series provide chapter-wise practice on the same units.
Class 11 Chemistry के NCERT solutions eSaral पर कहाँ मिलेंगे?
Step-by-step answers to every exercise are on eSaral's NCERT Solutions for Class 11 Chemistry page, arranged unit by unit in the same order as the textbook. Try each question yourself first and use the solutions to check your method.
Class 11 Chemistry में सबसे कठिन chapter कौन सा है?
Most students find chemical bonding, thermodynamics and the basic principles of organic chemistry hardest, because several concepts work together in them. Solving the NCERT examples as soon as you finish each concept builds a firm grip on these units. If you get stuck, eSaral's notes and solutions can help you revise them step by step.
Team eSaral
eSaral Academic and Editorial Team
Team eSaral is the collective author profile for educational content created by eSaral’s teachers and academic contributors. The team draws on expertise from IIT graduates, doctors, experienced educators and subject specialists to develop resources for JEE, NEET and school students. Our articles aim to explain concepts clearly and help students study with confidence.
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