Important IIT-JEE Chemistry Topics to Practice for Exam Success

Author at PW
July 31, 2025
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IIT-JEE Chemistry Important Topics:- Preparing for the IIT-JEE Chemistry 2025 section requires a strategic approach, focusing on key topics that are frequently tested and carry significant weight in the examination. Chemistry, being one of the core subjects, demands a thorough understanding of its fundamental concepts and their application in solving complex problems. 

Success in IIT JEE Chemistry Syllabus necessitates not only memorization but also a deep comprehension of the underlying principles. As the whole IIT JEE Chemistry Syllabus is quite vast, aspirants should prefer the IIT JEE Chemistry Important Topics given below.

IIT-JEE Chemistry 

Chemistry plays a crucial role in engineering entrance exams in IIT JEE and often influences students' overall rankings. Unlike Mathematics and Physics, Chemistry questions in JEE exams are more theoretical, offering students an opportunity to excel without heavy calculations. 

The IIT JEE Chemistry section includes a wide array of chapters, varying in significance and difficulty, reflecting the broad spectrum of chemical research. However, certain JEE Chemistry chapters hold particular importance for the JEE 2025 examination. Highlighting these key chapters, which significantly impact the exam outcome, faculty from PhysicsWallah have identified the highest-scoring topics in Chemistry for JEE Main preparation. To perform well in the JEE Main 2025 exam, students must focus on covering these easy and scoring chapters thoroughly. 

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IIT-JEE Important Topics for Physical Chemistry

Preparing for the IIT-JEE in Physical Chemistry means paying extra attention to certain important topics. Physical Chemistry is all about understanding how chemicals behave and react. From how heat affects reactions to how fast reactions occur, these are the things you need to know well. Check out the IIT-JEE Important Topics for Physical Chemistry below:- 

Chapter Name

Most Scoring Topics

Chemical Kinetics

Effect of Temperature on Rate of Reaction: Accurate Dependency of K on T, First Order Reaction, Half Life of First Order Reaction

Equilibrium

Solubility and Solubility Product, Types of Equilibrium Constant, pH of solution/mixture, Relation between Kp and Kc, Characteristics of Equilibrium Constant

Atomic Structure

Radius, velocity and the energy of nth Bohr orbital, Quantum Numbers, Photoelectric effect, Debroglie wavelength, Line spectrum of hydrogen, Radial nodes and planar nodes, Electronic configuration of any element

Redox Reaction And Electrochemistry

Balancing of Redox Reaction: Oxidation Number Method, Nernst Equation, Feasibility and Gibbs Free Energy of Reaction, Quantitative Aspect of Electrolytic Cell: Faraday's First Law, Nernst Equation for Full Cell

Solutions

Concentration Terms, Depression in Freezing Point, van't Hoff factor(i) or Abnormal Colligative Property, Elevation in Boiling Point, Vapour Pressure of Solution Containing Non-Volatile Solute, Osmosis and Osmotic Pressure, Solubility and Henry's Law

Some Basic Concepts In Chemistry

Stoichiometry, Stoichiometric Calculations And Limiting Reagent, Law of Equivalence, MOLE CONCEPT AND MOLAR MASS, Percentage Composition And Equivalent Weight, Reactions in Solutions

IIT-JEE Important Topics for Organic Chemistry

When it comes to cracking the IIT-JEE, Organic Chemistry holds a crucial place. But don't worry, it's not just about memorizing long lists of compounds! Organic Chemistry is all about understanding how carbon-based molecules interact and transform. Go through the IIT-JEE Important Topics for Organic Chemistry below:- 

Chapter Name

Most Scoring Topics

Biomolecules

Disaccharides and Polysaccharides, Amino Acids - 1, Proteins

Hydrocarbons

Aromaticity, Dehydration of Alcohol by Conc. H2SO4, Markonikov and Anti-markonikov Reaction, Friedel craft alkylation

Organic Compounds Containing Halogens

Nucleophilic Substitution, SN1 Reaction

Organic Compounds Containing Nitrogen

Reaction with NaNO2 + HCl, Azo-Coupling Reaction, Hoffmann Bromamide Reaction, Test for Amines, Alkylation and Acylation of Amines, Methods of Preparation of Amines, Basicity of Aromatic Amines, Basicity of Aliphatic Amines

Organic Compounds Containing Oxygen

Reduction and Oxidation Reaction, Nucleophilic Addition Reaction, Haloform Reaction, Properties of Phenols, Chemical Properties of Carboxylic Acids, Methods of Preparation of Carboxylic Acids, Grignard Reagent - 1, Grignard Reagent - 2, Reduction by LiAlH4 and NaBH4, Acidity in Carboxylic Acids

Principles Related To Practical Chemistry

Wet Tests for Identification of Cations, Purification And Characterisation Of Organic Compounds, Chromatography, Carius Method (Halogen and Sulphur)

Some Basic Principles Of Organic Chemistry

Mixed Questions

IIT-JEE Important Topics for Inorganic Chemistry

Unlike Organic Chemistry, which focuses on carbon compounds, Inorganic Chemistry deals with the properties and reactions of elements across the periodic table. Get the IIT-JEE Important Topics for Inorganic Chemistry below:- 

Chapter Name

Most Scoring Topics

Classification Of Elements And Periodic Table

Ionisation Enthalpy or Ionisation Potential, Variation of Atomic Radii and ionic radii

Co-ordination Compounds

Applications of CFT, Magnetic Moment(Based on VBT), Stereoisomerism, Crystal Field Splitting in Octahedral Field

D - And F - Block Elements

KMnO4, Oxidation State, Magnetic Properties and Character, K2Cr2O7, Chemical Properties of Lanthanoids

Chemical Bonding And Molecular Structure

How to Find Hybridisation, Shapes of Molecules, Energy Level Diagram for Molecules, Electronic Configuration for Molecules

IIT-JEE Chemistry Preparation Tips

  1. Conceptual Understanding: Prioritise understanding over memorization. Focus on understanding the underlying concepts of IIT JEE Chemistry topics rather than rote learning.

  2. Structured Study Plan: Develop a well-structured study plan that covers all the essential topics in IIT JEE Chemistry. Allocate dedicated time slots for each topic to ensure comprehensive coverage.

  3. Regular Practice: Practice solving a variety of IIT JEE Chemistry problems regularly to improve your problem-solving skills and familiarity with exam patterns.

  4. Focus on Important Topics: Identify high-weightage topics in IIT JEE Chemistry and give them extra attention during your preparation. Make sure to cover all topics, but prioritize those with greater significance.

  5. Effective Revision: Regularly revise previously covered topics in IIT JEE Chemistry to reinforce your understanding and retention. Create concise notes or flashcards for quick review.

  6. Clarify Doubts Promptly: Don't hesitate to look for clarification on challenging topics or questions from teachers, friends, or online resources to ensure a clear understanding.

  7. Utilise Quality Resources: Use recommended textbooks, IIT JEE study materials, and online resources specifically designed for IIT JEE Chemistry preparation to supplement your learning.

  8. Time Management Practice: Practice solving IIT JEE Chemistry problems under timed conditions to improve your time management skills and efficiency during the exam.

Books for IIT JEE Chemistry

Choosing the right books is important when you're preparing for IIT JEE Chemistry. Get the books for IIT JEE Chemistry from the below table:- 

Book Title

Edition

Price (Discounted)

Original Price

Rating

Sprint for JEE - Chemistry in 60 Days (Crash Course)

2023

₹199 (67% OFF)

₹600

5

Brahmastra for JEE Advanced Chemistry (2024 Exam)

2024

₹424 (15% OFF)

₹499

4.9

MIND MAPS FOR JEE 12th Physics, Chemistry & Mathematics (Softbound)

2023

₹497 (17% OFF)

₹599

5

MIND MAPS FOR JEE 12th Physics, Chemistry & Mathematics (Hardbound)

2023

₹499 (17% OFF)

₹599

4.9

MIND MAPS FOR JEE 11th Physics, Chemistry & Mathematics (Softbound)

2023

₹497 (17% OFF)

₹599

4.8

Brahmastra for JEE Advanced Physics, Chemistry & Mathematics

2024

₹960 (26% OFF)

₹1,297

5

JEE 5 Years (2019-2023) JEE Main Chemistry

2023

₹594 (15% OFF)

₹699

4.9

JEE 5 Years (2019-2023) JEE Main Physics, Chemistry, Mathematics

2023

₹1,450 (37% OFF)

₹2,297

4.9

46 Years Chemistry Chapterwise and Topicwise Solved Papers

2024

₹424 (15% OFF)

₹499

5

Physics, Chemistry Med Easy Handwritten Notes Combo Set of 2

2023

₹735 (30% OFF)

₹1,050

4.8

IIT-JEE Chemistry Important Topics FAQs

Q1. What is the syllabus of JEE Chemistry?

Ans. Matter and its properties, including Dalton's atomic theory: Understanding atoms, molecules, elements, and compounds: Exploring laws governing chemical combinations; Grasping concepts like atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulas: Learning about chemical equations and stoichiometry.

Q2. Is Chemistry tough in IIT?

Ans. While some JEE aspirants may perceive Chemistry as easier compared to Physics and Mathematics, neglecting it can be a mistake. To achieve high scores in Chemistry, students must thoroughly cover all topics outlined in the JEE Mains syllabus.

Q3. Is IIT harder than NEET?

Ans. Deciding which is harder, NEET or IIT, varies from person to person. While IIT exams might be tougher conceptually, NEET has more competition and higher cut-offs, so both tests are challenging in their own right.

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Important IIT-JEE Chemistry Topics to Practice for Exam Success