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Most Important Chapters for JEE Main 2025, Check Subject Wise Key Topics to Ace JEE 2025

NTA will conduct JEE Main 2025 in January. To ace the examination, aspirants can check the Most Important Chapters for JEE Main 2025, along with topic-wise weightage of marks on this page. 
authorImagePratibha Bohra15 Sept, 2024
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Most Important Chapters for JEE Main 2025

Most Important Chapters for JEE Main 2025: Preparing for JEE Main 2025 can be a challenging journey, especially with the vast syllabus that needs to be covered. Focusing on the most important chapters can make this journey more efficient and effective. Certain topics consistently carry more weightage in the examination, and mastering these can significantly boost an applicant's overall score.

In this article, we will highlight the most important chapters for JEE Main 2025, helping aspirants improve their study plan and maximize their chances of succeeding in the Joint Entrance Exam (Main).

Important Topics For JEE Main 2025

For an exam like JEE Main, aspirants are always looking for strategies to score high marks and secure admission to top NITs, IIITs, etc. A common question that arises during preparation is which chapters and topics are most important for JEE Main 2025. While covering the entire JEE Main Syllabus 2025 is essential, focusing on the key chapters can make a significant difference. The most important chapters for JEE Main 2025 highlighted below are recommended by subject experts based on a thorough analysis of previous years' JEE Main question papers. So keep reading to learn more.

Most Important Chapters for JEE Main 2025

The National Testing Agency (NTA) is expected to announce the JEE Main 2025 Exam Dates soon. Session 1 of the JEE Main 2025 exam is likely to take place in the last week of January, while Session 2 is scheduled for the first week of April 2025. To perform well in Session 1, aspirants are encouraged to include the Most Important Chapters for JEE Main 2025 in their study plan for more effective preparation.

Chemistry Most Important Chapters for JEE Main 2025

While it is important to include the Chemistry Most Important Chapters for JEE Main 2025 in the study plan, covering the detailed JEE Main Chemistry Syllabus 2025 is equally crucial. A thorough understanding of the entire syllabus ensures that aspirants are well-prepared for any question type that may appear on the exam. Focusing on both the key chapters and the complete syllabus helps in building a solid foundation, boosts confidence, and increases the chances of securing a high score in the Chemistry section of the JEE Main 2025. Check out the JEE Main 2025 Important Topics along with low-weightage ones for Chemistry outlined in the table below.
Most Important Chapters for JEE Main 2025 in Chemistry
JEE Main Chemistry High Weightage Chapters
Atomic Structure Gaseous and Liquid State
Chemical Kinetics Nuclear & Surface Chemistry
Chemical Bonding d-Block Elements
Co-ordination Compounds Solid State
Thermodynamics General Organic Chemistry
Isomerism Aldehydes and Ketones
Carboxylic Acids and Its Derivatives
JEE Main Chemistry Low Weightage Chapters
Chemical Equilibrium Alkyl Halides
Redox & Volumetric Analysis Aromatic Compounds
Electrochemistry s-Block Elements
Solutions Periodic Classification
Metallurgy p-Block Elements
Qualitative Analysis Classification and Nomenclature
Hydrocarbons Alcohol & Ether
Mole Concept Nitrogen Compounds and Aliphatic Amines
Ionic Equilibrium Biomolecules and Polymers
Based on the previous year's JEE Main examinations, the most important chapters for JEE Main 2025 in Chemistry are provided in the table below, covering their weightage in the examinations.

JEE Main Chemistry Topic wise Weightage

Topic Number of Questions Weightage Marks
Stereochemistry 1 4
Thermodynamics and Gaseous State 2 8
Chemical Bonding 2 8
Carbohydrates, amino acid and Polymers 1 4
Alkyl Halides 1 4
Carboxylic Acid and Their Derivatives 1 4
Electrochemistry 1 4
General Organic Chemistry 1 4
Aromatic Compound 1 4
Redox Reaction 1 4
Mole Concept 1 4
Solution and Colligative Properties 1 4
Nuclear Chemistry and Environment 2 8
The Periodic Table and Representative Elements 3 12
Hydrocarbon 1 4
Chemical Kinetics 1 4
Solid-State and Surface Chemistry 2 8
Chemical and Ionic Equilibrium 2 8
Atomic Structure 2 8
Transition Elements and Coordination Chemistry 3 12

How to Prepare JEE Main 2025 Most Important Chapters in Chemistry

To excel in the Chemistry section of JEE Main 2025, it is necessary to focus on the most important chapters from Physical, Organic, and Inorganic Chemistry. Prioritizing these key areas and adopting effective study strategies will help applicants maximize their scores. Here are some of the best tips to consider while tackiling these important topics: Focus on Physical Chemistry: Maintain a diary for quick revision of formulas related to key topics like atomic structure, solid-state, ionic equilibrium, electrochemistry, and thermochemistry.
  • Understand where these formulas cannot be directly applied and make extra efforts on these critical chapters, as they often carry more weight in the exam.
  • Memorize important values such as log 2 (0.3010) and log 3 (0.4771), which are frequently required in calculations.
Master Organic Chemistry: Concentrate on key name reactions (for instance, Ozonolysis, Aldol, Cannizzaro, Perkin, and Hoffmann) and understand their mechanisms.
  • Focus on General Organic Chemistry (GOC), especially the stability of reaction intermediates, and solve questions related to acidity and basicity.
  • Study topics like isomerism and organic compounds containing oxygen in detail and memorize the tests for various functional groups.
Prioritize Inorganic Chemistry: Keep notes for recording trivial facts such as the formulas of ores and the composition of alloys, which are common in objective tests.
  • Focus on key chapters like chemical bonding, p-block elements, and coordination chemistry, as these are frequently tested.

Physics Most Important Chapters for JEE Main 2025

When preparing for the Physics section of JEE Main 2025, focusing on the most important chapters can enhance the overall preparation of aspirants. With a wide range of topics covered in the JEE Main Physics Syllabus 2025 , understanding which chapters carry more marks and require deeper understanding is important. Prioritizing the Physics Most Important Chapters for JEE Main 2025 will not only help aspirants manage their study time more effectively but also enhance their problem-solving skills, enabling them to take the exam with confidence. This section outlines the most important chapters for JEE Main 2025 Physics subject to help applicants enhance their preparation strategically.

Physics Most Important Chapters for JEE Main 2025

High Weightage JEE Main Physics Chapters
Electromagnetic Induction and Alternating Current Heat and Thermodynamics
Rotation Ray Optics
Kinematics Electromagnetic Waves
Electrostatics Semiconductors
Current Electricity and Capacitors Error & Instrument Analysis
Properties of Matter Gravitation
Magnetic Effects of Current and Magnetism Wave Optics
Bohr’s Atomic Model Photoelectric Effect
Waves & Sound Oscillations
Low Weightage JEE Main Physics Chapters
Heat Transfer Dual Nature of Matter and Radiation
Fluids Circular Motion
Nuclear Physics and X-Rays Centre of Mass & Collisions
Work, Energy & Power Communication Systems
Units and Measurements Laws of Motion
For further understanding of the most important chapters for JEE Main 2025 in Physics, the topic-wise weightage of marks as per the past year's examination is given below.

JEE Main Physics Topic wise Weightage

Topics Number of Questions Weightage Marks
Waves 1 4
Work, Power and Energy 1 4
Electromagnetic Induction 1 4
Rotation 1 4
Magnetics 2 8
Solids and Fluids 1 4
Gravitation 1 4
Simple Harmonic Motion 1 4
Electrostatics 3 12
Optics 3 12
Modern Physics 5 20
Unit, Dimension and Vector 1 4
Kinematics 1 4
Laws of Motion 1 4
Centre of Mass, Impulse, and Momentum 1 4
Heat and Thermodynamics 3 12
Current Electricity 3 12

How to Prepare JEE Main 2025 Most Important Chapters in Physics

To excel in JEE Main 2025 Physics, aspirants need to focus on mastering both fundamental concepts and important topics that can significantly impact their scores. Special attention should be given to areas such as semiconductor devices, electromagnetic waves, and communication systems, which are often asked in the exam.
  • Familiarize with Units: Aspirants must u nderstand various units associated with physical quantities. Also, compile a list of units where confusion frequently occurs and study them regularly.
  • Focus on Key Topics: Paying special attention to important topics such as semiconductor devices, electromagnetic waves, and communication systems can be beneficial.
  • Utilize NCERT Textbooks: A strong grasp of concepts from NCERT textbooks is usually sufficient for solving related questions in JEE Main.
  • Master Vector Treatment: Ensure a good command of vector treatment techniques, as they are essential for various topics in Physics.
  • Understand Formula Limitations: Alongside memorizing standard formulas, understanding their limitations is also crucial. For example, kinematics equations apply to uniform acceleration only.

Mathematics Most Important Chapters for JEE Main 2025

For JEE Main 2025, mastering Mathematics is important, as it plays a vital role in achieving a high score. Given the vast JEE Main Mathematics Syllabus 2025 , targeting the most important chapters can help enhance exam preparation. Identifying and concentrating on the key topics outlined below not only aids in effective time management but also ensures a thorough understanding of important Mathematical concepts.

Mathematics Most Important Chapters for JEE Main 2025

JEE Main 2025 Mathematics High Weightage Chapters
Limits, Continuity and Differentiability 3 Dimensional Geometry
Functions Vectors
Application of Derivatives Determinant and Matrices
Conic Sections Sequence & Series
Complex Number Straight Line
Quadratic Equation Circle
Binomial Theorem and  M. I. Probability Distribution (Binomial Mean and Variance)
Definite Integral and area under the Curve
JEE Main 2025 Mathematics Low Weightage Chapters
Height and Distance Differential Equation
Trigonometric Ratio and Functions Differentiation
Properties of Triangle Trigonometric Equation
Permutation and Combination Statistics
Indefinite Integral Mathematical Logic
Set and Relation
Applicants can also check the topic-wise weightage of marks for Mathematics in the table presented below for reference:

JEE Main Mathematics Topic wise Weightage

Topics Number of Questions Weightage Marks
Differential Equation 1 4
Differential Calculus 1 4
Sets, Relation and Function 1 4
Sequence and Series 1 4
Binomial Theorem and its Application 1 4
Permutation and Combinations 1 4
Three Dimensional Geometry 2 8
Complex Number and Quadratics 2 8
Statistics and Probability 2 8
Matrices and Determinants 2 8
Integral Calculus 3 12
Trigonometry 1 4
Mathematical Reasoning 1 4
Statics and Dynamics 1 4
Coordinate Geometry 3 12
Vector Algebra 2 8
Limits, Continuity and Differentiability 3 12

How to Prepare JEE Main 2025 Most Important Chapters in Mathematics

To excel in the Mathematics section of JEE Main 2025, aspirants should focus on mastering key chapters and concepts. A strategic approach to studying the most important topics will help boost preparation and improve problem-solving skills. Here’s how to effectively prepare for the Most Important Chapters for JEE Main 2025 in Mathematics:
  • Create a Personalized List of Formulae: Develop a personlized list of important formulae and key concepts for effective revision.
  • Focus on Coordinate Geometry: Review and compare formulae for similarities to aid in recall during the exam. Aspirants must include geometrical properties of straight lines and circles in their notes for a comprehensive understanding.
  • Organize Trigonometry Notes: Divide notes into four sections: basic formulae, trigonometric equations, inverse functions, and solutions of triangles. Also, emphasize commonly used results, as JEE Main questions often focus on these.
  • Combine Algebra Knowledge: Understand properties and transformations in quadratic equations and the theory of equations. Review complex numbers by interpreting formulae geometrically for better intuition, along with the Binomial Theorem, Permutations and Combinations, and Probability together, and practice tough questions to improve the problem-solving skills.

Study Material For JEE 2025 Preparation

Physics Wallah offers comprehensive study material for JEE 2025 Preparation , i ncluding well-structured video lectures, detailed notes, practice questions, and test series. The material covers all JEE Main Syllabus topics, ensuring a strong conceptual understanding and effective problem-solving skills.
Study Material For JEE 2025
Checkout IIT JEE Books from PW Store
Checkout JEE Modules from PW Store
Checkout JEE Previous Year Papers from PW Store
Checkout JEE Question Banks from PW Store
Checkout JEE Revision Books from PW Store
Checkout JEE Test series from PW Store
Checkout JEE Crash Course from PW Store

Most Important Chapters for JEE Main 2025 FAQs

Ques. What is the highest-scoring subject in JEE Main 2025?

Ans. Chemistry is often considered the most scoring subject in JEE Main 2025. Many students achieve their highest scores in this section. By thoroughly understanding concepts and targeting the most important chapters for JEE Main 2025 in Chemistry, applicants can significantly enhance their scores.

Ques. Where can I find the most important chapters for JEE Main 2025?

Ans. For the reference of applicants, the subject-wise most important chapters for JEE Main 2025 along with topic-wise marks weightage in past years are provided in the article above.

Ques. What are some of the most important chapters for JEE Main 2025 in Physics?

Ans. For JEE Main 2025, some of the most important chapters in Physics include Heat and Thermodynamics, Electromagnetic Waves, Ray Optics, and Semiconductors, among others.
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