NCERT Syllabus for Class 11 Chemistry 2025-26

NCERT Syllabus for Class 11 Chemistry 2025-26 - Download Latest Syllabus

Edited By Shivani Poonia | Updated on Mar 20, 2025 11:58 AM IST

The NCERT Class 11 Chemistry syllabus has been recently published by the National Council of Educational Research and Training (NCERT) for the academic session 2025-26. Chemistry is one of the most important courses for students pursuing science as their major. Chemistry is not just about passing the exams or getting good marks but it is also about understanding the fundamental principles which helps students to gain knowledge about phenomena which are held around us in our daily life.

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NCERT Syllabus for Class 11 Chemistry 2025-26
NCERT Book for class 11 chemistry
Marks distribution for class 11 chemistry

NCERT Syllabus for Class 11 Chemistry 2025-26 - Download Latest Syllabus

The NCERT syllabus for class 11 for 2025-26 has been released, the book covers easy to complex topics and their application in the real world. The Class 11 Chemistry syllabus is available to students in PDF format on the NCERT website, ncert.nic.in. The CBSE 2025-26 syllabus properly trains students for their Boards as well as competitive exams.

The NCERT syllabus for class 11 Chemistry 2025-26 is arranged and structured is among its best features. It makes it simpler for students to follow along since it starts from the foundations and works on more complex topics gradually. The syllabus will help the students to build a deeper understanding of the topics covered, apart from board exams it will also help students to ace competitive exams like JEE, NEET, or another entrance exam following class 12.

The NECRT Chemistry syllabus is divided into two parts and covers nine chapters. Some of the major topics you will study include:

· Some Basic concepts of Chemistry

· Chemical Bonding and molecular structure

· Thermodynamics

· Equilibrium

· Introduction to Organic chemistry

There are not just chapters, there are concepts that will help you make sense of everything from why water boils at a certain temperature to how energy changes during a reaction. Apart from theory there are also practical components. Chemistry is not just something you read about, you get to experience it hands-on in the lab. The experiments are simple but essential. They help to understand how chemical reactions actually work.

NCERT Syllabus for Class 11 Chemistry 2025-26

The chemistry class 11 syllabus NCERT contains 9 chapters.

They are divided into two parts.

Part-1	Chapter 1 to 6
Part-2	Chapter 7 to 9

In the table below you’ll find both parts of the chapters including their names and topics.

NCERT Class 11 Chemistry Syllabus 2026

Chapter No.	Chapter with NCERT Solution Links	Topics
1	Some Basic Concepts of Chemistry	1.1 Importance of Chemistry 1.2 Nature of Matter 1.3 Properties of Matter and their Measurement 1.4 Uncertainty in Measurement 1.5 Laws of Chemical Combinations 1.6 Dalton’s Atomic Theory 1.7 Atomic and Molecular Masses 1.8 Mole Concept and Molar Masses 1.9 Percentage Composition 1.10 Stoichiometry and Stoichiometric Calculations
2	Structure of Atom	2.1 Discovery of Sub-atomic Particles 2.2 Atomic Models 2.3 Developments Leading to the Bohr’s Model of Atom 2.4 Bohr’s Model for Hydrogen Atom 2.5 Towards Quantum Mechanical Model of the Atom 2.6 Quantum Mechanical Model of Atom
3	Classification of Elements and Periodicity in Properties	3.1 Why do we Need to Classify Elements? 3.2 Genesis of Periodic Classification 3.3 Modern Periodic Law and the Present Form of the Periodic Table 3.4 Nomenclature of Elements with Atomic Numbers > 100 3.5 Electronic Configurations of Elements and the Periodic Table 3.6 Electronic Configurations and Types of Elements: s-, p-, d-, f- Blocks 3.7 Periodic Trends in Properties of Elements
4	Chemical Bonding and Molecular Structure	4.1 Kössel-Lewis Approach to Chemical Bonding 4.2 Ionic or Electrovalent Bond 4.3 Bond Parameters 4.4 The Valence Shell Electron Pair Repulsion (VSEPR) Theory 4.5 Valence Bond Theory 4.6 Hybridisation 4.7 Molecular Orbital Theory 4.8 Bonding in Some Homonuclear Diatomic Molecules 4.9 Hydrogen Bonding
5	Thermodynamics	5.1 Thermodynamic Terms 5.2 Applications 5.3 Measurement of ∆U and ∆H: Calorimetry 5.4 Enthalpy Change, ∆rH of a Reaction – Reaction Enthalpy 5.5 Enthalpies for Different Types of Reactions 5.6 Spontaneity 5.7 Gibbs Energy Change and Equilibrium
6	Equilibrium	6.1 Equilibrium in Physical Processes 6.2 Equilibrium in Chemical Processes – Dynamic Equilibrium 6.3 Law of Chemical Equilibrium and Equilibrium Constant 6.4 Homogeneous Equilibria 6.5 Heterogeneous Equilibria 6.6 Applications of Equilibrium Constants 6.7 Relationship between Equilibrium Constant K, Reaction Quotient Q and Gibbs Energy G 6.8 Factors Affecting Equilibria 6.9 Ionic Equilibrium in Solution 6.10 Acids, Bases and Salts 6.11 Ionization of Acids and Bases 6.12 Buffer Solutions 6.13 Solubility Equilibria of Sparingly Soluble Salts
7	Redox Reaction	7.1 Classical Idea of Redox Reactions - Oxidation and Reduction Reactions 7.2 Redox Reactions in Terms of Electron Transfer Reactions 7.3 Oxidation Number 7.4 Redox Reactions and Electrode Processes
8	Organic Chemistry – Some Basic Principles and Techniques	8.1 General Introduction 8.2 Tetravalence of Carbon: Shapes of Organic Compounds 8.3 Structural Representations of Organic Compounds 8.4 Classification of Organic Compounds 8.5 Nomenclature of Organic Compounds 8.6 Isomerism 8.7 Fundamental Concepts in Organic Reaction Mechanism 8.8 Methods of Purification of Organic Compounds 8.9 Qualitative Analysis of Organic Compounds 8.10 Quantitative Analysis
9	Hydrocarbons	9.1 Classification 9.2 Alkanes 9.3 Alkenes 9.4 Alkynes 9.5 Aromatic Hydrocarbon 9.6 Carcinogenicity and Toxicity

NCERT Book for class 11 chemistry

The NCERT Class 11 chemistry books for the 2025-26 session is divided into two parts:

Chemistry Part I
Chemistry Part II

Both of which can be easily downloaded in PDF format from the official NCERT website ncert.nic.in These NCERT books for class 11 are designed to help the students to build a deeper understanding of the topics covered. Written in easy-to-follow step-by-step explanations so that the students can build strong conceptual knowledge. The NCERT books cover the entire Class 11 syllabus and serve as an essential resource for exam preparation, whether for school assessments or competitive exams like JEE and NEET. To make learning accessible to a wider audience, the Class 11 Chemistry NCERT textbooks are available in three languages: English, Hindi, and Urdu.

Marks distribution for class 11 chemistry

The marks distribution for NCERT class 11 chemistry is segregated into Theory (70) marks and Practical (30) marks.

The theory paper is divided into short answers, long answers, and numerical questions.
The practical is about answering viva questions and practical chemistry tests in a laboratory.

Class 11 Chemistry Theory Exam (70 Marks)

The NCERT syllabus for class 11 chemistry is divided into 3 parts:

Physical Chemistry
Inorganic Chemistry
Organic Chemistry

The different weightage distributions for each unit you’ll find in the table below.

Class 11 Chemistry Theory Marks Distribution

Chapter No.	Chapter Name	Marks
1	Some Basic Concepts of Chemistry	7
2	Structure of Atom	9
3	Classification of Elements and Periodicity in Properties	6
4	Chemical Bonding and Molecular Structure	7
5	Chemical Thermodynamics	9
6	Equilibrium	7
7	Redox Reactions	4
8	Organic Chemistry – Some Basic Principles and Techniques	11
9	Hydrocarbons	10
Total		70

Class 11 Chemistry Practical Exam Marks Distribution (30 Marks)

The practical test consists of various experiments, projects, and answering viva. In the table below, you’ll find the distribution of marks for the practical exam.

Class 11 Chemistry Practical Exam Marks Distribution

Component	Marks
Volumetric Analysis	8
Salt Analysis	8
Content-Based Experiment	6
Project Work	4
Class Record & Viva Voce	4
Total	30

NCERT class 11 chemistry solutions

The NCERT Solutions for Class 11 Chemistry offer detailed, step-by-step explanations for all the questions provided in the textbook. These solutions are designed to help students grasp the concepts thoroughly, making it easier for them to solve numerical problems and answer theoretical questions with confidence. By using these solutions, students can clarify their doubts, strengthen their understanding of key topics, and improve their performance in board exams. Additionally, these solutions serve as a valuable resource for those preparing for competitive exams such as JEE and NEET, as they reinforce core concepts and problem-solving techniques.

Students can also look for other solution books

NCERT Exemplar Solutions for Class 11 Chemistry – It offers students advanced-level questions that help students an in-depth understanding of chemistry concepts.
RD Sharma Chemistry Solutions – It’s helpful in numerical and theoretical problems.
Arihant all in one- It helps prepare students for competitive exams like JEE and NEET

Frequently Asked Questions (FAQs)

1. What chapters are included in NCERT Class 11 Chemistry syllabus?

NCERT syllabus for class 11 Chemistry includes chapters such as Some Basic Concepts of Chemistry, Structure of Atom, Classification of Elements and Periodicity in Properties, Chemical Bonding and Molecular Structure, States of Matter, Thermodynamics, Equilibrium, Redox Reactions, Hydrogen, s-Block Elements, p-Block Elements, Organic Chemistry - Some Basic Principles and Techniques, Hydrocarbons, Environmental Chemistry, etc.

2. Do practicals are included in NCERT Syllabus for class 11 Chemistry?

Yes, NCERT syllabus for class 11 chemistry included practicals. The practical sessions are designed in such a way that they help students to understand the theoretical concepts by observations and hands-on experiments.

3. Why is it important to study NCERT syllabus class 11 Chemistry?

NCERT Syllabus for class 11 Chemistry is important to study for students who have science as their major because it forms the foundation for higher studies. It helps students to learn basic concepts and how things around us work.

4. What is the most effective way to study class 11 NCERT Chemistry syllabus?

To study effectively students must create a systematic and realistic study schedule, students should stay focused and organised, they must emphasize on understanding the concept rather than rote learning. Solving numerical problems regularly and revising periodically are some ways to effectively study Class 11 NCERT chemistry.

5. Is it important to complete the entire class 11 Chemistry NCERT syllabus?

It is advisable to complete the entire syllabus for NCERT Class 11 Chemistry but the main focus of the students must be on understanding the core concept. Students must prioritize topics whose weightage is more in exam syllabus.

Also Read

NCERT Solutions for Class 11 Biology Chapter 1 The Living World

NCERT Solutions for Class 11 Maths Chapter 1 Sets

NCERT Solutions for Class 11 Maths Chapter 2 Relations And Functions

NCERT Solutions for Class 11 Biology Chapter 21 Neural Control and Coordination

NCERT Solutions for Class 11 Biology Chapter 17 Breathing and Exchange of Gases

NCERT Solutions for Class 11 Biology Chapter 22 Chemical Coordination and Integration

NCERT Exemplar Class 11 Physics solutions Chapter 5 Work Energy and Power

NCERT Exemplar Class 11 Maths Solutions Chapter 12 Introduction to Three Dimensional Geometry

NCERT Exemplar Class 11 Maths Solutions Chapter 10 Straight Lines

NCERT Exemplar Class 11 Maths Solutions Chapter 6 Linear Inequalities

NCERT Exemplar Class 11 Maths Solutions Chapter 16 Probability

NCERT Exemplar Class 11 Maths Solutions Chapter 14 Mathematical Reasoning

NCERT Class 11 Chemistry Chapter 4 Notes Chemical Bonding and Molecular Structure - Download PDF

Hydrogen Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 9 Notes - Download PDF

The S-Block Elements Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 10 Notes - Download PDF

The P-Block Elements Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 11 Notes - Download PDF

NCERT Class 11 Chemistry Chapter 13 Notes Hydrocarbons - Download PDF

Environmental Chemistry Class 11th Notes - Free NCERT Class 11 Chemistry Chapter 14 Notes - Download PDF

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Popular Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms^-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1) $0.34\; J$	Option 2) $0.16\; J$
Option 3) $1.00\; J$	Option 4) $0.67\; J$

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up ? Fat supplies 3.8×10⁷J of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g = 9.8 ms⁻² :

Option 1)

2.45×10⁻³ kg

Option 2)

6.45×10⁻³ kg

Option 3)

9.89×10⁻³ kg

Option 4)

12.89×10⁻³ kg

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1) $2,000 \; J - 5,000\; J$	Option 2) $200 \, \, J - 500 \, \, J$
Option 3) $2\times 10^{5}J-3\times 10^{5}J$	Option 4) $20,000 \, \, J - 50,000 \, \, J$

A particle is projected at 60⁰ to the horizontal with a kinetic energy $K$ . The kinetic energy at the highest point

Option 1) $K/2\,$	Option 2) $\; K\;$
Option 3) $zero\;$	Option 4) $K/4$

In the reaction,

$2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}$

Option 1) $11.2\, L\, H_{2(g)}$ at STP is produced for every mole $HCL_{(aq)}$ consumed	Option 2) $6L\, HCl_{(aq)}$ is consumed for ever $3L\, H_{2(g)}$ produced
Option 3) $33.6 L\, H_{2(g)}$ is produced regardless of temperature and pressure for every mole Al that reacts	Option 4) $67.2\, L\, H_{2(g)}$ at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, $Mg_{3}(PO_{4})_{2}$ will contain 0.25 mole of oxygen atoms?

Option 1) 0.02	Option 2) 3.125 × 10^-2
Option 3) 1.25 × 10^-2	Option 4) 2.5 × 10^-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1) decrease twice	Option 2) increase two fold
Option 3) remain unchanged	Option 4) be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1) Molality	Option 2) Weight fraction of solute
Option 3) Fraction of solute present in water	Option 4) Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol^-1) is

Option 1) twice that in 60 g carbon	Option 2) 6.023 × 10²²
Option 3) half that in 8 g He	Option 4) 558.5 × 6.023 × 10²³

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t²) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m² , the number of rotations made by the pulley before its direction of motion if reversed, is