-IIT JEE Chemistry Syllabus 2024 Decoded: Your Complete Guide to Ace the Exam and Get into IIT

Introduction to IIT JEE Chemistry Syllabus 2024

The Joint Entrance Examination (JEE) is one of the most competitive engineering entrance exams in India, conducted by the National Testing Agency (NTA). It is the gateway for admission into premier engineering institutes like IITs, NITs, and IIITs across the country.  The JEE Main exam consists of two papers - Paper 1 for admission to B.E/B. Tech courses and Paper 2 for admission to B.Arch/B.Planning courses. Paper 1 has three subjects - Physics, Chemistry, and Mathematics. Understanding the JEE Main chemistry syllabus and having a well-strategized preparation plan is crucial to scoring high in the exam. The JEE Main 2024 exam is fast approaching and NTA has revised the syllabus for all subjects this year, including some key changes in the chemistry portion. Hence, aspirants need to know the latest JEE Main Chemistry syllabus 2024 to organize their study schedule accordingly.  This article provides a comprehensive look at the revised JEE Main Chemistry syllabus 2024 - the topics covered, the weightage of each section, important chapters to focus on, downloadable PDFs, and expert tips to revise the syllabus in 3 months. Read on to learn all about the chemistry portion of JEE Main 2024 syllabus.

Revised JEE Main Chemistry Syllabus 2024: What's New and What Remains Unchanged

The JEE Main 2024 chemistry syllabus has undergone some key revisions compared to previous years. Here are the main changes:

New Topics Added

• The concept of hybridization added to the chemical Bonding chapter
• Metallurgy chapter expanded to include Newer methods of Iron and Steel Production
• Coordination Compounds section expanded with more details on CFSE and applications
• The biomolecules section was enhanced with details on Proteins and Nucleic Acids

Topics Removed 

• Earlier topics like the Anomalous behavior of Water have been removed
• Certain atomic models like Rutherford’s model are no longer included

Change in Weightage

• Inorganic Chemistry weightage reduced from 30% to 25% 
• Organic Chemistry weightage increased from 30% to 35%
• More weightage is given to chapters like Biomolecules, Polymers, Chemistry in Everyday Life
• So in summary, the revised JEE Main Chemistry syllabus for 2024 covers all important concepts but is now more streamlined and focused on core topics. Students should align their preparation accordingly.

Physical Chemistry Topics

Physical chemistry is an important part of the JEE Main chemistry syllabus and accounts for around 30-35% of the total weightage. Some of the key physical chemistry topics that JEE aspirants need to focus on are:

• Mole Concept
• Kinetic Theory 
• Thermodynamics
• Chemical Equilibrium
• Ionic Equilibria
• Chemical Kinetics
• Electrochemistry
• Surface Chemistry 
• Nuclear Chemistry
• Thermochemistry
• Chemical Bonding

Mole Concept

This topic covers Avogadro's law, ideal gas equation, empirical formula, molecular formula, percentage composition, stoichiometry, and calculations based on stoichiometry. Key concepts include molar mass, density, volume, limiting reagent, and theoretical yield.   

Kinetic Theory

Understand the postulates of the kinetic theory of gases, root mean square speed, collision frequency, collision diameter, pressure exerted by a gas, kinetic interpretation of temperature, law of equipartition of energy, mean free path, and viscosity of gases.  

Thermodynamics 

Cover the first law, second law, and third law of thermodynamics, zeroth law, internal energy, enthalpy, heat capacity, work, heat, reversible and irreversible processes, Carnot cycle, and thermodynamic relations.   

Chemical Equilibrium

Learn about the equilibrium constant, Le Chatelier's principle, relationships between equilibrium constants, ionic equilibrium, solubility product, phase equilibria, and eutectic mixtures.   

Ionic Equilibria

Key topics are strong and weak electrolytes, degree of ionization, ionization of polybasic acids, acid strength, pH scale, common ion effect, hydrolysis of salts, buffer solutions, Henderson Equation, and solubility of sparingly soluble salts.  

Chemical Kinetics

Understand the rate of a reaction, rate law, rate constant, order of reaction, molecularity, activation energy, catalysis, collision theory, Arrhenius equation, enzyme kinetics, and integrated rate laws.   

Electrochemistry

Study redox reactions, conductance, electrolysis, commercial electrolysis, EMF of a galvanic cell, standard electrode potential, Nernst equation, electrochemical cell, and battery concepts.  

Surface Chemistry

Key topics are adsorption, absorption, homogenous & heterogeneous catalysis, colloids, electrophoresis, coagulation, emulsion, adsorption isotherms, and applications of colloids.

Nuclear Chemistry 

Cover mass defect, binding energy, nuclear fission & fusion, radioactivity, nuclear models, radioactive decay laws, carbon dating, and elementary reactions.  

Thermochemistry

Understand endothermic & exothermic processes, standard enthalpy of formation, Hess's law, heat of reaction, state function, adiabatic process, calorimeters, and temperature dependence of enthalpy changes.   

Chemical Bonding

Learn about ionic, covalent, and coordinate covalent bonding, VSEPR theory, hybridization, resonance structures, molecular orbital theory, hydrogen bonding, metallic bonding, and bond parameters.  

Inorganic Chemistry Topics

Inorganic chemistry is an important part of the JEE Main chemistry syllabus and accounts for around 15-20% of the paper. Some of the key inorganic chemistry topics that students should focus on are:

• Atomic Structure
• Chemical Bonding
• Coordination Compounds 
• Redox 
• Electrochemistry
• Chemical Equilibrium
• Thermodynamics
• Chemical Kinetics
• Mole Concept
• Periodic Table & Periodic Properties
• s-block and p-block Elements
• States of Matter 
• Nuclear Chemistry
• Metallurgy

Atomic Structure includes concepts such as quantum numbers, electronic configuration, hydrogen spectrum, and shapes of s,p & d orbitals.    Chemical Bonding and Molecular Structure covers ionic bonds, covalent bonds, VSEPR theory, hybridization, molecular orbital theory, hydrogen bonds, metallic bonds, etc.   Coordination Compounds include bonding theories, stability, naming, isomerism, and the importance of coordination compounds.    Periodic Tables and periodic Properties involve periodic trends, anomalies, effective nuclear charge, and more.   Chemical Equilibrium covers the law of mass action, Le Chatelier's principle, ionic equilibrium, and factors affecting equilibrium.   Thermodynamics deals with zeroth law, first law, second law, third law, spontaneity, and Gibbs free energy.    Chemical Kinetics involves the rate of reaction, order of reaction, molecularity, catalysis, and theories of reaction rates.   Mole Concepts and stoichiometry cover Avogadro's law, molar mass, empirical formula, balancing chemical equations, etc.   States of Matter deals with gases, liquids, solids, and their intermolecular interactions.    Solutions cover concentration terms, solubility, colligative properties, and abnormal molar masses.   Electrochemistry involves redox, conductance, electrolysis, batteries, and corrosion.   Nuclear Chemistry covers natural radioactivity, nuclear reactions, nuclear fission & fusion.    p-Block Elements deals with the detailed study of groups 13-18 elements.   Metallurgy involves ore concentration, extraction techniques, alloy formation, etc.  

Organic Chemistry Topics

Organic chemistry is one of the most important sections in JEE Main and accounts for around 30% weightage. Going through the organic chemistry syllabus and topics is crucial for students to score high in this section. Here is a list of all the key organic chemistry topics that students need to focus on: Alkanes, Cycloalkanes  Alkenes, Alkynes Aromatic Compounds  Halogen Derivatives Alcohols, Phenols, Ethers Aldehydes, Ketones  Carboxylic Acids and Derivatives Amines Polymers Biomolecules - Carbohydrates, Proteins, Vitamins Stereochemistry  Organic Compounds Containing Nitrogen Haloalkanes and Haloarenes Alkyl and Aryl Halides SN1 and SN2 Reactions Elimination Reactions   Addition Reactions Substitution Reactions Oxidation and Reduction Reactions This covers the key organic reactions, compounds, stereochemistry concepts, and biomolecules that students should thoroughly revise as per the JEE Main chemistry syllabus. Having conceptual clarity on all these topics is important to answer questions correctly.

Weightage of Topics in JEE Main 2024 Chemistry

The weightage of topics in the JEE Main 2024 Chemistry syllabus is as follows: Physical Chemistry - 30%   Physical chemistry topics like thermodynamics, chemical kinetics, surface chemistry, nuclear chemistry, etc. carry around 30% weightage in the JEE Main Chemistry paper. Students must focus on understanding the concepts thoroughly in physical chemistry. Inorganic Chemistry - 25%   Inorganic chemistry topics such as coordination compounds, p-block elements, d and f-block elements, mole concepts, redox reactions, etc. comprise around 25% of the JEE Main Chemistry syllabus. Questions are often asked from inorganic chemistry topics like the chemistry of elements, atomic structure, chemical bonding, etc. Organic Chemistry - 45%   Organic chemistry topics including hydrocarbons, haloalkanes, alcohols, phenols, aldehydes, ketones, carboxylic acids, amines, biomolecules, etc. cover close to 45% of the entire JEE Main Chemistry syllabus. Organic chemistry questions usually test a student's understanding of fundamental concepts, reaction mechanisms, structures, etc.

Topics with High Weightage in JEE Main Chemistry

Some topics in the JEE Main chemistry syllabus carry more weight than others. Gaining proficiency in these key topics can significantly boost your chances of scoring well. Here are some of the sure-shot topics with the highest weightage: Thermodynamics Chemical Equilibrium  Coordination Compounds Electrochemistry Mole ConceptAtomic Structure Chemical Kinetics p-Block Elements Organic Compounds with Functional Groups  Biomolecules Focus your chemistry preparation efforts on thoroughly understanding concepts, principles, and applications related to these high-weightage JEE topics. Solve as many questions as possible from previous years' JEE Main papers on these chapters. Having strong fundamental knowledge and practical problem-solving skills for these topics will help you maximize your overall chemistry score. Download the IIT JEE Chemistry Syllabus PDF  The official IIT JEE chemistry syllabus PDF can be downloaded from the official website of the Joint Entrance Examination (JEE) Main. Follow the steps below to download the latest 2024 chemistry syllabus PDF:

1. Go to the official JEE Main website - [jeemain.nta.nic.in](https://jeemain.nta.nic.in)

2. On the homepage, click on the 'Syllabus' tab 

3. Under the Syllabus section, click on the 'Chemistry' subject 

4. The PDF will open containing the detailed chemistry syllabus for JEE Main 2024

5. Download and save this PDF to your device

This is the most authentic source to get the latest JEE Main chemistry syllabus. Having the syllabus PDF will help you plan your preparation better and know which topics are included and their weightage. Make sure to thoroughly go through the syllabus before starting your exam preparation.

Best Books for JEE Chemistry Preparation

JEE aspirants should refer to the best books for chemistry to excel in the exam. Here is a list of the recommended books for all key topics in JEE Main Chemistry:

Physical Chemistry

NCERT Textbooks (Class 11 and 12)  Physical Chemistry by OP Tandon Concepts of Physical Chemistry by P Bahadur

Inorganic Chemistry

NCERT Textbooks (Class 11 and 12) Concise Inorganic Chemistry by JD Lee  Problems in Inorganic Chemistry by VK Jaiswal

Organic Chemistry 

NCERT Textbooks (Class 11 and 12)  Organic Chemistry by Morrison Boyd Organic Chemistry by OP Tandon Problems in Organic Chemistry by MS Chouhan

Objectives Books

Disha Objective Books for Chemistry Arihant Objective Books for JEE Main Apart from these, you can also refer to previous years' question papers and mock tests to better understand the JEE Main Chemistry syllabus and examination pattern. Consistent practice is key to scoring high on the exam.

Tips to Revise JEE Chemistry Syllabus in 3 Months

Revising the vast JEE Main chemistry syllabus effectively in a short time can be challenging. Here are some useful tips to revise the JEE chemistry syllabus in 3 months:

Follow a systematic approach 

Make a realistic timetable and revision schedule covering all topics in the syllabus. Give more time to high-weightage topics. Stick to the schedule diligently. Solve topic-wise JEE chemistry questions to test your understanding. Identify weak areas and spend more time revising them. Solve JEE Main and Advanced previous year papers to get exam experience and assess your preparation level.

Focus on understanding concepts

Don't just mug up. Understand the concepts, principles, reactions, and derivations thoroughly. Clarity of concepts is very important. Learn to apply concepts to solve problems. Master theorems, laws, and important formulae. Revise summary notes, and make cheat sheets for quick revision before exams.

Attempt mock tests  

Take regular mock tests on each topic as well as full syllabus tests. Analyze your performance to find improvement areas. Appear for reputed Online/Offline mock test series to build speed, and accuracy and get a real exam feel. Revise thoroughly one last time a week before JEE Main & Advanced as per your revised schedule. Following a systematic approach, focusing on concept clarity, and taking ample mock tests will help you revise the vast syllabus effectively in 3 months. Stay motivated!