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How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025 PDF Download

Chemistry plays a crucial role in JEE Mains Preparation, holding a significant weightage of one-third of the question paper. It stands on par with Physics and Mathematics in terms of importance.

How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025

  • To conquer the JEE Main exam, students need to develop effective strategies tailored to their needs. Despite being considered a student-friendly subject, Chemistry should not be underestimated or overlooked.
  • Unfortunately, many students make the mistake of neglecting Chemistry, assuming it is easier than the other subjects. However, this misconception can be detrimental. Giving Chemistry the same level of attention as the rest of the subjects will yield better scores and results.
  • Preparing for JEE Main Chemistry demands extensive practice of conversions, numerical problem-solving, and thorough theory revision. Compared to Physics and Mathematics, Chemistry offers more scoring opportunities.

Excel in Your Chemistry JEE Preparation With These Tips

The Chemistry section of the exam is divided into three parts: Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. It is essential for aspirants to thoroughly understand and master the concepts in these areas in order to achieve a higher score.
Below are some valuable tips to enhance your Chemistry preparation for the JEE Main. 

1. Clear your Basics through NCERT Textbooks

  • Understand the fundamentals through NCERT: One of the primary steps to excel in the Chemistry section of the JEE Main is to have a clear understanding of the fundamentals. A highly effective approach is to utilize the NCERT textbooks from Class 11th and 12th. 
  • Cover NCERT Flowcharts, diagrams and examples: NCERT books provide comprehensive insights into specific topics and chapters, accompanied by explanatory examples, flowcharts, and diagrams. After completing each chapter, test your knowledge by solving related multiple-choice questions (MCQs).
  • Do not overlook the highlighted section and exercises: Ensure that you do not overlook the highlighted sections and exercises provided at the end of each chapter, as they contain key points for understanding.

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2. Avoid Feeling Overwhelmed by the Abundance of Study Materials

  • Limit your Study Material: Many aspirants feel overwhelmed by using numerous books, leading to confusion and missing out on important topics. Select a limited number of recommended books to avoid information overload.
  • Recommended Books after NCERT for Chemistry JEE Preparation: NCERT books are considered standard for building conceptual knowledge during JEE preparation. Use them to establish a strong foundation before exploring additional study materials.
    How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025A. Physical Chemistry: 
    -  N Awasthi's Physical Chemistry
    B. Organic Chemistry:
    - O P Tandon's Organic Chemistry
    - Paula Bruice Yurkanis' Organic Chemistry
    - M.S. Chauhan's Organic Chemistry
    C. Inorganic Chemistry:
    - J.D Lee's Inorganic Chemistry

3. Familiarize Yourself with New Exam Pattern & Marking Scheme

To excel in the IIT JEE Chemistry exam, it is crucial to familiarize yourself with the new pattern and make appropriate preparations.
IIT JEE Chemistry Exam Details

  • Chemistry section of JEE Main comprises 30 Objective-type questions divided into three subtopics: Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. 
  • Out of these, students are required to answer 25 questions.
  • As per JEE Main Marking scheme, aspirants will be given 4 marks for every right answer, while 1 mark will be deducted for each incorrect answer. There is no negative marking for Numerical-value based questions.
  • Aspirants will be given a total of 3 hours duration to attempt 75 questions out of 90 questions.

Look at the new pattern of IIT JEE Chemistry and start preparing accordingly. 

How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025

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Make Sure to Prepare According to Weightage of Topics

Another Chemistry JEE preparation tip is to deploy a smart study plan to focus on high-weightage topics in this section once the entire syllabus is completed. It will help candidates secure the maximum marks in the exam.

Chemistry is divided into these three subjects:

  • Physical Chemistry
  • Inorganic Chemistry
  • Organic Chemistry
    Approximate Weightage of All Branches
    Approximate Weightage of All Branches

Here is the table containing important topics in all three parts of Chemistry:

Physical ChemistryInorganic ChemistryOrganic Chemistry
1. Basic Concepts of Chemistry
  • Laws of Chemical Combination
  • Mole concept & Stoichiometry

1. Classification of Elements

  • Modern periodic table and Electronic configuration of Elements
  • Periodic Trends in Properties of Elements

1. Basic Principles of Organic Chemistry

  • Structure and Nomenclature of Organic Compounds
  • Structural and Stereoisomerism in Organic Compounds
  • Electronic Displacement Effects in Covalent Bonds
 2. Atomic Structure 
  • Dual nature of Radiation
  • Atomic Spectra
  • Bohr’s Model for Hydrogen and Hydrogen-like species
  • Quantum Mechanical Model: Orbitals and Quantum Numbers

2. Chemical Bonding & Molecular Structure

  • Ionic and Covalent Bonding and Bond parameters
  • VSEPR Theory
  • Valence bond theory and Hybridization
  • Molecular Orbital theory

2. Hydrocarbons & Halides

  • Structure, Physical and Chemical Properties of Alkanes, Alkenes & Alkynes, Benzene, Haloalkanes & Haloarenes
3. States of Matter (Gases, Liquids & Solids)
  • Gas Laws
  • Kinetic Molecular Theory of Gases
  • Real Gas behavior and Liquefaction of gases
  • Crystal Lattice and Unit cells
  • Close packed structures and voids
  • Defects in Solids

3. Hydrogen & S Block Elements

  • Hydrides
  • Water and Hydrogen peroxide: structure and properties
  • General Characteristics of Compounds of S block elements
  • Anomalous Properties of the First Element
  • Important Compounds of S block elements

3. Oxygen-containing compounds

  • Alcohols, Phenols & Ether: Structure, Physical and Chemical Properties
  • Aldehydes and Ketones: Physical and Chemical Properties
  • Carboxylic acids and their derivatives: Structure & Chemical properties

4. Solutions

  • Solutions: Types and Concentration
  • Vapour Pressure of a solution and Raoult’s law
  • Colligative properties of Solutions & Van’t Hoff factor

4. P Block Elements

  • General Trends in Physical and Chemical Properties of Elements
  • General trends in the Properties of Compounds of P block elements
  • Important Compounds of Boron, Carbon and Silicon
  • Allotropes and Important Compounds of Nitrogen, Phosphorus and Sulphur
  • Important Compounds of Halogens and their properties

4. Nitrogen-containing compounds

  • Amines & Diazonium salts: Chemical properties

5. Thermodynamics & Thermochemistry

  • Enthalpy and Heat capacity
  • Enthalpy change of Various types of reactions
  • Gibb’s energy and Spontaneity

5. Extraction of Metals

  • Processes of extraction of Metals from their ores
  • Thermodynamic and Electrochemical principles of metallurgy

5. Biomolecules

  • Monosaccharides: Structure, Physical and Chemical properties
  • Proteins and Enzymes: Structure and properties
  • Nucleic Acids: Structure and properties

6. Equilibrium

  • Law of Chemical equilibrium and equilibrium constant
  • Factors affecting equilibrium: Le Chatelier’s Principle
  • Acids, Bases and Concept of pH
  • Hydrolysis of Salts and Buffer solutions
  • Solubility and Solubility product of sparingly soluble salts

6. D & F Block Elements

  • General Trends in Physical and Chemical Properties of the Transition Elements
  • Important compounds of Transition Elements

6. Polymers

  • Addition & Condensation Polymerisation: Mechanism and Examples
  • Commercial Polymers

7. Redox & Electrochemistry

  • Redox Reactions: Types and Concept of Oxidation Number
  • Galvanic Cells: features and Electrode Potential
  • Conductance of Electrolytic Solutions
  • Electrolytic cells and Products of electrolysis

7. Coordination Compounds

  • IUPAC Nomenclature and Isomerism of Coordination compounds
  • Werner’s theory, Valence bond theory & Crystal field theory

7. Chemistry in Everyday life

  • Drugs: Classification and therapeutic Action
  • Soaps and Detergents

8. Chemical Kinetics

  • Rate, Order and Molecularity of a reaction
  • Integrated rate equations and Half-life
  • Arrhenius Equation
  • Radioactivity and Nuclear Reactions (Fission & Fusion)

8. Practical Chemistry

  • Acids Bases and the Use of Indicators, Oxalic-Acid Vs KMnO₄, Mohr’s Salt Vs KMnO₄
  • Chemical Principles Involved in the Qualitative Salt Analysis
  • Qualitative and Quantitative analysis of Organic Compounds

8. Environmental Chemistry

  • Atmospheric pollution and Control
  • Water Pollution and Control

9. Surface Chemistry

  • Adsorption: Mechanism, Types and Isotherms
  • Catalysis
  • Colloids and Emulsions: Classification and Properties.

5. Solve Sample Papers, Mock Tests &

Previous Year Question Papers

  • Sample Papers to become familiar: Solve sample papers to become familiar with the types of questions asked in the JEE Main Chemistry exam. Understand the exam pattern, question distribution, and time constraints. Gain exposure to various question formats, such as multiple-choice and numerical-based questions asked in the exam. 
  • Simulate the Exam Environment with Mock Tests: Take mock tests that closely resemble the actual JEE Main Chemistry exam. Create an exam-like environment by adhering to time limits and exam conditions. Evaluate your performance, identify strengths and weaknesses, and adjust your study plan accordingly.
  • Understand the Exam Trends through Previous Year Question Papers: Solve previous year question papers to understand the recurring topics and question patterns. Analyze the weightage given to different topics and prioritize your study accordingly. Learn from the question-solving techniques and strategies employed in previous years.

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6. Assess Your Knowledge & Manage Time Effectively

  • Assess Your Knowledge and Identify Weak Areas: Analyze your performance while solving sample papers, mock tests, and previous year question papers. Identify topics or concepts where you face difficulties or make frequent mistakes. Recognize areas that require further study and improvement.
  • Develop Time Management Skills: Practice solving papers within the given time limit to enhance your speed and efficiency. Learn to allocate time strategically for different sections or question types. Focus on managing time effectively to complete the entire paper without rushing or leaving questions unanswered.
  • Keep a check on Speed and Accuracy: Speed and accuracy are the major determinants of your JEE Main rank. Accuracy is important as you would not like to get negative marks for doing silly mistakes. When practising with tests and previous year papers, check whether you are able to solve the problems and answer all the questions within a limited time. Improving the strike rate of your answers is also vital to score well in chemistry. You can cut down on mistakes by clearing your concepts and also by practising problem exercises.

7. Memorize All Important Formulas & Revise


  • Learn Formulas Thoroughly: Candidates must frequently memorise all the vital equations, reaction mechanisms, and formulas of Chemical Bonding, Kinetics, and Radioactivity. To remember better, write the formulas on sticky notes and keep them handy so you can look at them anytime. In addition, you can maintain a separate notebook for the formulas and keep revising them.
  • Continuous Revision is a Must: Continuous & frequent revision helps candidates retain concepts, equations, and formulas for a long. It is recommended to revise all the topics/chapters in Chemistry at least twice a week.
  • At the time of Revision: At the time of revision, it is necessary to divide your revision time efficiently among the three branches of Chemistry – Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Whereas Physical Chemistry doesn’t require much of memorization and contains more numerical type questions, and you get comfortable with Organic Chemistry with practice, you may need to spend most of your revision time on Inorganic Chemistry to learn all the reactions efficiently.

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Section-wise Preparation Guide for JEE Mains Chemistry

By following the section-wise approach provided below and dedicating ample time to each topic, you can enhance your preparation for the JEE Mains Chemistry exam. Remember to study the entire syllabus, allocate time wisely, and thoroughly understand the concepts to score well in the exam.

1. JEE Main Physical Chemistry Preparation Guide

We know that Physical chemistry deals with observing and understanding the physical and chemical properties of matter and our surroundings. It covers several basic, much-used concepts and covers at least 30-40% of the JEE exam paper and so, forms a big part.

How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025Chapter Wise Weightage for Physical Chemistry

  • Tackle topics like titration and stoichiometry, which frequently appear in questions. 
  • Give special attention to concepts related to electrochemistry, mole concept, and chemical equilibrium. 
  • Understand the principles, formulas, and calculations involved in these topics to answer questions effectively.
  • To have a good grasp of all the concepts of Physical Chemistry, make detailed notes about each topic. Topics like Mole Concept, Thermodynamics, Energy, Chemical Equilibrium, Chemical Bonding and Atomic structure are really important and require thorough understanding and learning of concepts and formulae. 
  • Also, never skip practising questions. JEE chemistry numerical can only be solved by regular practice.

2. JEE Main Organic Chemistry Preparation Guide

Organic chemistry comes across as a difficult part at first, since its not an easy task to remember the reactions, compounds, mechanisms and structures. But it’s essential to master this portion of JEE chemistry as it is highly scoring and if studied well, chances of negative marking are considerably less as the questions are generally not so twisted compared to other sections.

How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025Chapter Wise weightage for Organic Chemistry

  • Focus on stereochemistry and functional analysis as they are crucial topics in this section.
  • Dedicate sufficient time to understand and master organic reactions, mechanisms, and reactions involving functional groups.
  • While these topics are important, remember to cover the entire organic chemistry syllabus to ensure a well-rounded preparation.
  • Also, if revision is done properly, you can attempt this section in the least amount of time.

3. JEE Main Inorganic Chemistry Preparation Guide

Chemical bonding holds significant importance in inorganic chemistry. Prioritize topics such as p block, coordination compounds, s-block, hydrogen, and d and f block elements. However, it is essential to allocate time to study and understand all the topics mentioned in the JEE Mains syllabus.

Chapter Wise Weightage for Inorganic ChemistryChapter Wise Weightage for Inorganic Chemistry

  • This is a favourite section to many students because it is easy and scoring section as well.
  • This is because it involves almost no problem solving or calculations or formulae.
  • The only important suggestion in inorganic chemistry is, don't spend more time on single question if you don't know an answer.
  • Questions from inorganic chemistry section are mainly conceptual. The major topics you need to focus on are – Chemical bonding,  Analytical chemistry, Periodic table, metallurgy, Chemical reactions, coordination chemistry.

An Overview: Topic/Chapter wise weightage for JEE Main Chemistry Syllabus
How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025

Similarly, here are the preparation tips and tricks for Physics and Maths for JEE:

How to Prepare for JEE Physics? 

How to Prepare for JEE Math? 

The document How to Prepare Chemistry for JEE? | Mock Tests for JEE Main and Advanced 2025 is a part of the JEE Course Mock Tests for JEE Main and Advanced 2025.
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FAQs on How to Prepare Chemistry for JEE? - Mock Tests for JEE Main and Advanced 2025

1. What is the weightage of Chemistry in JEE Mains?
Ans. The weightage of Chemistry in JEE Mains is approximately 25% of the total marks. It is divided into three sections: Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Each section carries equal weightage in the exam.
2. How should I prepare Chemistry for JEE?
Ans. Here are some steps to prepare Chemistry for JEE: 1. Understand the syllabus: Go through the JEE syllabus and understand the topics that need to be covered in Chemistry. 2. Study from reliable sources: Refer to textbooks recommended for JEE preparation, such as NCERT books, and also consult additional reference books for in-depth understanding. 3. Practice numerical problems: Chemistry involves a lot of numerical problems. Practice solving them regularly to enhance your problem-solving skills. 4. Solve previous years' question papers: Get familiar with the exam pattern and types of questions by solving previous years' question papers. This will also help you identify your weak areas. 5. Take mock tests: Regularly take mock tests to assess your preparation level and improve your time management skills. 6. Seek guidance if needed: If you are facing difficulties in understanding certain topics, seek guidance from teachers, mentors, or online platforms that provide JEE coaching.
3. What are the important topics in Physical Chemistry for JEE?
Ans. Some important topics in Physical Chemistry for JEE include: 1. Atomic Structure and Chemical Bonding: Understand concepts related to atomic structure, electronic configuration, chemical bonding, and molecular structure. 2. Thermodynamics: Study topics like first law of thermodynamics, entropy, enthalpy, Gibbs free energy, and chemical equilibrium. 3. Chemical Kinetics: Learn about the rate of chemical reactions, factors affecting reaction rate, and mechanisms of reactions. 4. Electrochemistry: Understand concepts of electrochemical cells, redox reactions, Faraday's laws, and electrolytic conductance. 5. Solutions and Colligative Properties: Study topics like ideal and non-ideal solutions, colligative properties (such as boiling point elevation and freezing point depression), and osmotic pressure.
4. How can I improve my understanding of Organic Chemistry for JEE?
Ans. To improve your understanding of Organic Chemistry for JEE, follow these tips: 1. Learn reaction mechanisms: Focus on understanding the mechanisms of organic reactions. This will help you predict the products and understand the underlying concepts. 2. Memorize important reactions: Organic Chemistry involves a large number of reactions. Make a list of important reactions and their mechanisms, and practice them regularly. 3. Understand functional groups: Familiarize yourself with different functional groups and their properties. Learn how they react and their characteristic reactions. 4. Practice drawing structures: Organic Chemistry often requires drawing complex structures. Practice drawing them accurately to avoid mistakes in reaction mechanisms and product formation. 5. Solve practice problems: Solve a variety of practice problems to strengthen your problem-solving skills and reinforce your understanding of concepts.
5. How should I approach Inorganic Chemistry for JEE?
Ans. Here are some tips to approach Inorganic Chemistry for JEE: 1. Understand periodic trends: Inorganic Chemistry heavily relies on the periodic table. Understand the periodic trends such as atomic size, ionization energy, electron affinity, and electronegativity. 2. Focus on coordination compounds: Coordination compounds are an important topic in Inorganic Chemistry. Understand their nomenclature, bonding, and isomerism. 3. Memorize important reactions and compounds: Inorganic Chemistry involves memorization of various reactions and compounds. Make flashcards or mnemonic devices to help remember them. 4. Practice solving numerical problems: Inorganic Chemistry also includes numerical problems related to redox reactions, stoichiometry, and equilibrium. Practice solving them to improve your problem-solving skills. 5. Read and revise regularly: Inorganic Chemistry requires regular reading and revision. Make sure to revise the topics frequently to reinforce your understanding and retain the information.
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