JEE Main Syllabus 2025: The syllabus for JEE Main 2025 has been released with official notification. The National Testing Agency (NTA) publishes JEE Main syllabus...

JEE Main Correction Window 2025 (Closed): Key Details for Aspirants
March 18, 2025JEE Main 2025 Chemistry Syllabus: The National Test Agency (NTA), the conducting body of JEE Main 2025, prescribes the JEE Main Chemistry syllabus. The JEE Main 2025 chemistry syllabus is released along with the official JEE notification but candidate should refer to previous year syllabus for now. Students are suggested to download the JEE Main 2025 Chemistry topic-wise syllabus to get the weightage of the sections. The JEE Main 2025 Session 2 exam will be conducted from April 01 to 08, 2025.
In JEE Main 2025, Chemistry is one of the most scoring subjects. So, we have provided the complete JEE Mains 2025 Chemistry syllabus in this article. The JEE Main syllabus includes topics from Inorganic Chemistry, Organic Chemistry and Physical Chemistry. Scroll through to get detailed information on various branches of JEE Main Chemistry syllabus and start learning them to score more marks.
JEE Mains Latest Updates:
— NTA has released the JEE Main Session 2 Application form. Candidates can fill their application form till February 25, 2025.
— Attempt JEE Mains 2025 Mock Tests to achieve dream success in exam.
Candidates can strategise their JEE preparation plan and leave a buffer time for practising the JEE Main mock tests after completing the syllabus. Here is the detailed Chemistry JEE Mains 2025 syllabus:
Candidates will be asked a total of 25 questions in Chemistry. Section A and section B will have 20 and 5 questions respectively. It is important for candidates to know the Chemistry syllabus thoroughly so that they are able to answer a maximum number of questions correctly.
The experts at Embibe have analysed the previous years’ JEE Main papers and concluded that the questions asked in JEE Main Chemistry section are of easy to moderate difficulty. However, the complete JEE Chemistry syllabus 2025 is quite lengthy. This is why we advise candidates to focus on the basics and prepare well for the topics with high weightage. They can also go through the JEE Main important chapters.
Here we have provided the topic-wise JEE Main chemistry syllabus 2025.
Topic | Sub-Topics |
---|---|
Unit 1: Some Basic Concepts of Chemistry | Matter and Its Nature, Dalton’s Atomic Theory; Concept of Atom, Molecule, Element and Compound; Physical Quantities and Their Measurements in Chemistry, Precision and Accuracy, Significant Figures, S.I. Units, Dimensional Analysis; Laws of Chemical Combination: Atomic and Molecular Masses, Mole Concept, Molar Mass, Percentage Composition, Empirical and Molecular Formulae; Chemical Equations and Stoichiometry. |
Unit 2: States of Matter | Classification of Matter Into Solid, Liquid and Gaseous States. Gaseous State:- Measurable Properties of Gases; Gas Laws – Boyle’s Law, Charle’s Law, Graham’s Law of Diffusion, Avogadro’s Law, Dalton’s Law of Partial Pressure; Concept of Absolute Scale of Temperature; Ideal Gas Equation; Kinetic Theory of Gases (Only Postulates); Concept of Average, Root Mean Square and Most Probable Velocities; Real Gases, Deviation From Ideal Behaviour, Compressibility Factor and Van Der Waals Equation. Solid State:- Classification of Solids: Molecular, Ionic, Covalent and Metallic Solids, Amorphous and Crystalline Solids (Elementary Idea); Bragg’s Law and Its Applications; Unit Cell and Lattices, Packing in Solids (Fee, Bec and Hep Lattices), Voids, Calculations Involving Unit Cell Parameters, an Imperfection in Solids; Electrical and Magnetic Properties. Liquid State:- Properties of Liquids – Vapour Pressure, Viscosity and Surface Tension and Effect of Temperature on Them (Qualitative Treatment Only). |
Unit 3: Atomic Structure | Thomson and Rutherford Atomic Models and Their Limitations; Nature of Electromagnetic Radiation, Photoelectric Effect; The spectrum of Hydrogen Atom, Bohr Model of Hydrogen Atom – Its Postulates, Derivation of the Relations for Energy of the Electron and Radii of the Different Orbits, Limitations of Bohr’s Model; Dual Nature of Matter, De-broglie’s Relationship, Heisenberg Uncertainty Principle. Elementary Ideas of Quantum Mechanics, Quantum Mechanical Model of Atom, Its Important Features. Concept of Atomic Orbitals as One Electron Wave Functions; Variation of T|/ And |/2 With R for Is and 2S Orbitals; Various Quantum Numbers (Principal, Angular Momentum and Magnetic Quantum Numbers) And Their Significance; Shapes of S, P and D – Orbitals, Electron Spin and Spin Quantum Number; Rules for Filling Electrons in Orbitals – Aufbau Principle, Pauli’s Exclusion Principle and Hund’s Rule, Electronic Configuration of Elements, Extra Stability of Half-filled and Completely Filled Orbitals. |
Unit 4: Chemical Bonding and Molecular Structure | Covalent Bonding: Concept of Electronegativity, Fajan’s Rule, Dipole Moment; Valence Shell Electron Pair Repulsion (VSEPR) Theory and Shapes of Simple Molecules. Kossel – Lewis Approach to Chemical Bond Formation, the Concept of Ionic and Covalent Bonds. Ionic Bonding: Formation of Ionic Bonds, Factors Affecting the Formation of Ionic Bonds, Calculation of Lattice Enthalpy. Quantum Mechanical Approach to Covalent Bonding: Valence Bond Theory – Its Important Features, the Concept of Hybridization Involving S, P and D Orbitals; Resonance. Molecular Orbital Theory – Its Important Features, Lcaos, Types of Molecular Orbitals (Bonding, Antibonding), Sigma and Pi-bonds, Molecular Orbital Electronic Configurations of Homonuclear Diatomic Molecules, the Concept of Bond Order, Bond Length and Bond Energy. Elementary Idea of Metallic Bonding. Hydrogen Bonding and Its Applications. |
Unit 5: Chemical Thermodynamics | Fundamentals of Thermodynamics: System and Surroundings, Extensive and Intensive Properties, State Functions, Types of Processes. First Law of Thermodynamics – Concept of Work, Heat Internal Energy and Enthalpy, Heat Capacity, Molar Heat Capacity; Hess’s Law of Constant Heat Summation; Enthalpies of Bond Dissociation, Combustion, Formation, Atomization, Sublimation, Phase Transition, Hydration, Ionization and Solution. Second Law of Thermodynamics: Spontaneity of Processes; As of the Universe and AG of the System as Criteria for Spontaneity, AG” (Standard Gibbs Energy Change) And Equilibrium Constant. |
Topic | Sub-topics |
---|---|
Unit 11: Classification of Elements and Periodicity in Properties | Modern Periodic Law and the Present Form of the Periodic Table. S, P, D and F Block Elements. Periodic Trends in Properties of Elements Atomic and Ionic Radii, Ionisation Enthalpy. Electron Gain Enthalpy, Valence, Oxidation States and Chemical Reactivity. |
Unit 12: General Principles and Process of Isolation of Metals | Modes of Occurrence of Elements in Nature, Minerals, Ores. Extraction of Metals: Concentration, Reduction (Chemical and Electrolytic Methods) And Refining With Special Reference to the Extraction of Al, Cu, Zn, and Fe. Thermodynamic and Electrochemical Principles Are Involved in the Extraction of Metals. |
Unit 13: Hydrogen | The Position of Hydrogen in Periodic Table, Isotopes, Preparation, Properties, and Uses of Hydrogen. Physical and Chemical Properties of Water and Heavy Water. Structure, Preparation, Reactions, and Uses of Hydrogen Peroxide. Classification of Hydrides: Ionic, Covalent and Interstitial. Hydrogen as a Fuel. |
Unit 14: S Block Elements (Alkali and Alkaline Earth Metals) | Group 1 and Group 2 Elements: General Introduction, Electronic Configuration and General Trends in Physical and Chemical Properties of Elements, Anomalous Properties of the First Element of Each Group, Diagonal Relationships. Preparation and Properties of Some Important Compounds: Sodium Carbonate, Sodium Chloride, Sodium Hydroxide and Sodium Hydrogen Carbonate. Industrial Uses of Lime, Limestone, Plaster of Paris and Cement. The Biological Significance of Na, K, Mg, and Ca. |
Unit 15: P Block Elements | Group 13 to Group 18 Elements: General Introduction, Electronic Configuration, General Trends in Physical and Chemical Properties of Elements Across the Periods and Down the Groups; Unique Behaviour of the First Element in Each Group. Groupwise Study of the P Block Elements. Group 13: Preparation, Properties, and Uses of Boron and Aluminium; Structure, Properties and Uses of Borax, Boric Acid, Diborane, Boron Trifluoride, Aluminium Chloride, and Alums. Group 14: Tendency for Catenation; Structure, Properties, and Uses of Allotropes and Oxides of Carbon, Silicon Tetrachloride, Silicates, Zeolites, and Silicones. Group 15: Properties and Uses of Nitrogen and Phosphorus; Allotropic Forms of Phosphorus; Preparation, Properties, Structure, and Ammonia, Nitric Acid, Phosphine and Phosphorus Halides (PCL3, PCL5); Structures of Oxides and Oxoacids of Nitrogen and Phosphorus. Group 16: Preparation, Properties, Structures and Uses of Dioxygen and Ozone; Allotropic Forms of Sulfur; Preparation, Properties, Structures, and Uses of Sulfur Dioxide, Sulphuric Acid (Including Its Industrial Preparation); Structures of Oxoacids of Sulfur. Group 17: Preparation, Properties, and Uses of Chlorine and Hydrochloric Acid; Trends in the Acidic Nature of Hydrogen Halides; Structures of Interhalogen Compounds and Oxides and Oxyacids of Halogens. Group 18: Occurrence and Uses of Noble Gases; Structures of Fluorides and Oxides of Xenon. |
Topic | Sub-topics |
---|---|
Unit 19: Purification and Characterisation of Organic Compounds | Purification: Crystallization, Differential Extraction, Sublimation, Distillation and Chromatography Principles and Their Applications. Qualitative Analysis: Detection of Halogens, Phosphorus, Nitrogen and Sulfur. Quantitative Analysis: Estimation of Carbon, Halogens, Sulphur, Hydrogen, Nitrogen and Phosphorus. Calculations of Empirical Formula and Molecular Formulae, Numerical Problems in Organic Quantitative Analysis. |
Unit 20: Some Basic Principles of Organic Chemistry | Tetravalency of Carbon; Shapes of Simple Molecules – Hybridisation (S and P). Nomenclature (Trivial and Iupac): Covalent Bond Fission Homolytic and Heterolytic: Radicals, Carbocations, and Carbanions; Stability of Carbocations and Radicals, Electrophiles and Nucleophiles. Classification of Organic Compounds Based on Functional Groups: -C = C- And Those Containing Halogens, Oxygen, Nitrogen, and Sulfur; Homologous Series. Isomerism: Structural and Stereoisomerism. Electronic Displacement in a Covalent Bond: Inductive Effect, Electromeric Effect, Resonance, and Hyperconjugation. Common Types of Organic Reactions: Substitution, Addition, Elimination, and Rearrangement. |
Unit 21: Hydrocarbons | Classification, Isomerism, Iupac Nomenclature, General Methods of Preparation, Properties and Reactions. Alkanes: Conformations; Sawhorse and Newman Projections (Of Ethane); Mechanism of Halogenation of Alkanes. Alkenes: Geometrical Isomerism; Mechanism of Electrophilic Addition: Addition of Hydrogen, Halogens, Water, Hydrogen Halides (Markownikoff’s and Peroxide Effect); Ozonolysis, Oxidation, and Polymerisation. Alkynes: Acidic Character; Addition of Hydrogen, Halogens, Water and Hydrogen Halides; Polymerization. Aromatic Hydrocarbons: Nomenclature, Benzene Structure and Aromaticity. Mechanism of Electrophilic Substitution: Halogenation, Nitration, Friedel Crafts Alkylation and Acylation, Directive Influence of the Functional Group in Monosubstituted Benzene. |
Unit 22: Organic Compounds Containing Halogens | General Methods of Preparation, Properties, and Reactions. Nature of C – X Bond. Mechanisms of Substitution Reactions. Uses, Environmental Effects of Chloroform, Iodoform, Freons, and Ddt. |
Unit 23: Organic Compounds Containing Oxygen | General Methods of Preparation, Properties, Reactions, and Uses. Alcohols: Identification of Primary, Secondary and Tertiary Alcohols; Mechanism of Dehydration. Phenols: Acidic Nature, Electrophilic Substitution Reactions: Halogenation, Nitration, and Sulphonation, Reimer Tiemann Reaction. Carboxylic Acids: Acidic Strength and Factors Affecting It. Ethers: Structure Aldehyde and Ketones: Nature of Carbonyl Group; Nucleophilic Addition to >C=O Group, Relative Reactivities of Aldehydes and Ketones. Important Reactions Such as Nucleophilic Addition Reactions (Addition of Hcn, NH3 and Its Derivatives), Grignard Reagent; Oxidation; Reduction (Wolff Kishner and Clemmensen); The Acidity of Hydrogen, Aldol Condensation, Cannizzaro Reaction, Haloform Reaction. Chemical Tests To Distinguish Between Aldehydes and Ketones. |
The JEE Main question paper comprises a wide range of topics from the Chemistry section. Therefore, it is important to check the topic-wise weightage of the Chemistry section from the table below.
Chapters | Number of Questions | Marks |
---|---|---|
Periodic table and Representative Elements | 3 | 12 |
Transition Elements and Coordination Chemistry | 3 | 12 |
Atomic Structure | 2 | 8 |
Thermodynamics and Gaseous State | 2 | 8 |
Chemical Bonding | 2 | 8 |
Experts advise attempting the Chemistry section first in the B. E. /B. Tech paper of JEE Main. The reasons are mentioned below:
Candidates can check the best JEE Mains Chemistry books from the table mentioned below:
Book | Author |
---|---|
Chemistry XI and XII | NCERT |
Chemistry XI, XII | NCERT |
Concept of Organic Chemistry | M. S. Chauhan |
General Chemistry | Ebbing |
Inorganic Chemistry | O.P. Tandon |
Candidate can follow the below-mentioned steps to attempt JEE Main mock test at Embibe:
Attempt JEE Main Mock Tests 2025
JEE Main Mock Test | JEE Main Mock Test |
JEE Main Physics Mock Test | JEE Main Mathematics Mock Test |
JEE Main Chemistry Mock Test |
Here we have answered some of the frequently asked questions related to JEE Mains Chemistry Syllabus 2025:
Ans: Candidates will be asked a total of 25 questions in Chemistry.
Ans: Candidates will be asked 20 questions in the Chemistry section from section A and 5 questions from section B.
Ans: Candidates can refer to Inorganic Chemistry by O.P. Tandon for their JEE Main exam to be conducted in 2025.
Ans: Candidates will be asked questions from Organic, Inorganic and Physical Chemistry in JEE Main examination 2025.
Ans: You can get JEE Main Chemistry practice questions at Embibe.
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Now that you know everything about the JEE Main Chemistry Syllabus, we hope that this article proves to be helpful for you. Complete the syllabus and give as many JEE Main mock test series as possible. This will help you know your preparation status, identify your weak areas, and work on them.
Stay tuned to Embibe for the latest news and updates on JEE Main 2025.