Important Topics and Chapters in Chemistry for JEE Main 2024 Session 2

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Important topics in Chemistry for JEE Main 2024: Chemistry is significant in engineering entrance exams, often influencing students’ ranks. Unlike the more calculation-intensive Physics and Mathematics sections, Chemistry questions are more theoretical, making it comparatively easier to score well. Adequate preparation involves reviewing past question papers and strengthening all topics.

The JEE Main Chemistry section hinges on crucial chapters that profoundly impact a candidate’s score and rank. Mastering these topics is vital for success. Aspiring JEE Main candidates should prioritize these key chapters, investing ample time and effort to understand concepts thoroughly and solve associated problems. This article provides detailed information on Important topics in Chemistry for JEE Main 2024 that are essential for enhancing the prospects of success in this competitive exam.

JEE Main 2024

JEE Main 2024 is an important engineering entrance exam for undergraduate programs in India. It covers Physics, Chemistry, and Mathematics with multiple-choice and numerical questions. To prepare, candidates must know the syllabus, practice consistently, and manage time well. Many use coaching and mock tests. The goal of JEE Main 2024 is to evaluate candidates’ knowledge and skills for admission to leading engineering institutions.

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Most Important Topics in Chemistry for JEE Main 2024

Addressing the Chemistry section of the Joint Entrance Examination (JEE) can be challenging, especially when dealing with complex topics. These areas necessitate thorough practice and dedicated preparation for proficiency. Exam questions often become complicated, involving numerical intricacies and integrating 2-3 concepts. Below, we outline the most critical topics that require specific attention.

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Chapters	Key Topics Covered
Organic Compounds Containing Oxygen	General preparation methods, properties, reactions, and uses.
Alcohols, Phenols, And Ethers	Alcohols: Identification of primary, secondary, and tertiary alcohols; mechanism of dehydration. Phenols: Acidic nature, electrophilic substitution reactions, halogenation, nitration, sulphonation, Reimer-Tiemann reaction. Ethers: Structure.
Carboxylic Acids	Acidic strength and factors affecting it.
Equilibrium	Meaning of equilibrium, the concept of dynamic equilibrium. – Equilibria involving physical and chemical processes.
Ionic equilibrium	Weak and strong electrolytes, ionization of electrolytes, various concepts of acids and bases, pH scale, common ion effect, hydrolysis, solubility products, buffer solutions.
Chemical Kinetics	Rate of a chemical reaction, factors affecting the rate, order, molecularity, rate law, temperature effects, Arrhenius theory, activation energy, collision theory.
Transition Elements (D and F Block)	General introduction, electronic configuration, occurrence, and characteristics. Trends in properties of first-row transition elements, catalytic behavior, magnetic properties, complex formation. Inner Transition Elements: Lanthanoids – Electronic configuration, oxidation states, and lanthanoid contraction. Actinoids Electronic configuration and oxidation states.
Chemical Bonding and Molecular Structure	Kossel-Lewis approach, ionic and covalent bonds, factors affecting ionic bond formation. Covalent bonding: electronegativity, Fajan’s rule, dipole moment. Quantum mechanical approach, valence bond theory, hybridization, resonance. Molecular Orbital Theory: LCAOs, sigma and pi-bonds, bond order. Metallic bonding, hydrogen bonding.
Some Basic Principles of Organic Chemistry	Tetravalency of carbon, shapes of simple molecules, hybridization, Homologous series. Isomerism: structural and stereoisomerism. – Nomenclature (Trivial and IUPAC). Covalent bond fission: free radicals, carbocations, carbanions, stability, electrophiles, nucleophiles. Organic reactions: Substitution, addition, elimination, rearrangement.
Coordination Compounds	Introduction to coordination compounds, Werner’s theory. – Ligands, coordination number, denticity, chelation. IUPAC nomenclature, isomerism, bonding theories. Importance in qualitative analysis, extraction of metals, and biological systems.
Chemical Thermodynamics	Fundamentals: System, surroundings, extensive and intensive properties. The first law of thermodynamics: Work, heat, internal energy, enthalpy. Heat capacities, Hess’s law. The second law of thermodynamics: Spontaneity, entropy, Gibbs energy, equilibrium constant.

Easy Chapters of Chemistry in JEE Main 2024

Effectively navigating the Chemistry section of the Joint Entrance Examination (JEE) Main is crucial for success. It is advisable to focus on topics with a higher chance of scoring well to enhance performance. Here, we highlight the easy topics in the JEE Main Chemistry paper, recognized for their straightforward questions that require minimal time and calculations for accurate answers.

Chapters	Key Topics Covered
Some basic concepts in chemistry	Empirical Formula And Molecular Formula Mole concept and molar mass Stoichiometry Stoichiometric Calculations And Limiting Reagent Reactions in Solutions
States of matter	The Gas Laws – Boyle’s Law Intermolecular Forces Ideal Gas Equation Dalton’s Law of Partial Pressure Graham’s Law of Diffusion
Atomic Structure	Photoelectric effect Line spectrum of hydrogen Bohr’s orbital properties Debroglie wavelength Heisenberg’s uncertainty principle
Chemical Thermodynamics	Path, State Function, Types Of Process Reversible, Irreversible, Polytropic Process First Law Of Conservation Of Energy Isothermal Reversible And Isothermal Irreversible Adiabatic Reversible And Isothermal Irreversible Expansion
Redox Reaction and Electrochemistry	Balancing of Redox Reactions Oxidation Number and Oxidation State Types of Redox Reactions Balancing of Disproportionation Redox Reaction Ion Electrode Method
General Principle and process of Isolation of metals	Froth Floatation Process Leaching: Chemical Method Conversion of ore into oxide Calcination and Roasting Electrolytic Refining Vapour Phase Refining
S – Block Elements (Alkali and Alkaline Earth Metals)	Chemical Properties of Alkali Metals Anomalous Behaviour of Lithium Halides of Alkali Metals Sodium Chloride and Sodium Hydroxide
d – and f – Block Elements	Screening Effect and Lanthanoid Contraction Atomic Size/Radii Ionisation Energy Oxidation State Magnetic Properties and Character
Co-ordination Compounds	Addition Compounds or Molecular Compounds Terminologies Related to Coordination Compounds Types of Ligands – Oxidation Number Coordination Number
Purification and Characterization of Organic Compounds	Sublimation and Crystallisation Distillation under reduced pressure and Steam distillation Chromatography Test for Halogens Duma’s Method
Some Basic Principles of Organic Chemistry	Functional Group IUPAC Nomenclature Carbocations – Carbanions – Alkyl Free Radicals
Organic Compounds containing Halogens	Nature of C-X bond and Physical Properties Reaction with PCl5, PCl3, SOCl2 and HX Strong and Weak bases SN2 Reaction – SN1 Reaction
Organic Compounds containing Oxygen	Grignard Reagent 1 – Reduction by LiAlH4 and NaBH4 Acylation and Oxidation of Alcohols Reaction of Phenols with dil. HNO3 Preparation of Aldehydes
Chemistry in Everyday Life	Analgesics Antibiotics Preservatives
Principles Related to Practical Chemistry	Preliminary Test with Dilute Sulphuric Acid (Systematic Analysis of Anions): Analysis of Cations
Chemical Bonding and Molecular Structure	Lewis Representation of Simple Molecules (Lewis Structure) Limitations of The Octet Rule Bond Parameters: length, angle, energy, strength Fazan’s Rule and Covalent Character in Ionic Bond p-p and p-d bonding
Classification of Elements and Periodic table	Long form of Modern periodic table Classification of Elements: s-block – Atomic Radius of Elements Variation of Atomic Radii and ionic radii Ionisation Enthalpy or Ionisation Potential

Chemistry Chapters Weightage Analysis in JEE Main 2024

The topics listed below are arranged according to their relevance in terms of JEE Main marks over the past five years. Note that each question in the exam carries a weightage of 4 marks.

Also Check: JEE Main 2024 Chapter Wise Weightage

Units	Questions	Weightage (in %)
Transition Elements & Coordination Compounds	3	9.9
Periodic table, s and p-Block Elements	3	9.9
Thermodynamics & the Gaseous State	2	6.6
Atomic Structure	2	6.6
Chemical Bonding	2	6.6
Chemical and Ionic Equilibrium	2	6.6
Solid-State and Surface Chemistry	2	6.6
Nuclear & Environmental Chemistry	2	6.6
Mole Concept	1	3.3
Redox Reactions	1	3.3
Electrochemistry	1	3.3
Chemical Kinetics	1	3.3
Solution & Colligative Properties	1	3.3
General Organic Chemistry	1	3.3
Stereochemistry	1	3.3
Hydrocarbon	1	3.3
Alkyl Halides	1	3.3
Carboxylic Acids & Their Derivatives	1	3.3
Carbohydrates, Amino Acids, and Polymers	1	3.3
Aromatic Compounds	1	3.3

Tips to Prepare Important topics in Chemistry for JEE Main 2024

Success in JEE Mains Chemistry demands strategic planning. Understand the syllabus, prioritize critical chapters, and build a solid conceptual foundation. Regular practice, referring to NCERT, and solving previous papers are essential. Engage in mock tests, analyze performance and revise consistently. Focus on numerical problem-solving and maintain a positive approach. These strategies will enhance your preparation and confidence for the Chemistry section in JEE Mains. The detailed plan to prepare Important topics in Chemistry for JEE Main 2024 is as follows.

Know Your Syllabus: Familiarize yourself with what you must study for JEE Main Chemistry Syllabus and focus on the essential parts.
Focus on Key Chapters: Spend more time on more critical chapters for the exam.
Understand Basics: Ensure you understand each chapter’s basic ideas. If you need clarification, ask for help from teachers or online resources.
Practice Regularly: Solve different problems regularly to get better at solving them and feel more confident.
Use NCERT Books: NCERT textbooks are essential for JEE Main Chemistry, so read them well.
Suitable Study Materials: Use reference books and study materials made for JEE Main Chemistry.
Look at Past Papers: Practice with old question papers to understand the types of questions that might arise and what the exam is like.
Take Practice Tests: Do full-length practice tests often to get used to the exam conditions and improve time management.
See How You Did: After each practice test, look at how you did it and find what you need to improve.
Study Again: Review important chapters regularly to remember the ideas and formulas.
Focus on Numbers: JEE Main Chemistry often has questions involving numbers, so practice solving them.
Stay Positive and Keep Going: Keep positive and work regularly. It helps you to stabilize your mind and maintain motivation till the exam.

Note: Common Mistakes that Every Student Should Avoid in JEE Main 2024

Frequently Asked Questions (FAQs)

What are the crucial chapters in JEE Main Chemistry?

Key chapters include Chemical Bonding, Coordination Compounds, Electrochemistry, and Organic Chemistry.

Why are specific chapters important in JEE Main Chemistry?

They hold significant weightage, influencing your overall rank in the exam.

How should I prioritize studying these essential chapters?

Allocate more time for understanding and practicing problems in these chapters, maintaining a balanced approach overall.

JEE Main 2024 Important Topics and Chapters in Chemistry