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Chemistry

JEE Formulas & Theorems PDF

Get the full formula sheet compiled by our expert mentors — a must-have for quick revision before the exam.

p-Block Elements (Groups 13-18)

p-Block Elements (Groups 13-18)

JEE - p-Block Elements (Groups 13-18)

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d and f-Block Elements

d and f-Block Elements

JEE - d and f-Block Elements

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Hydrocarbons - Alkenes

Hydrocarbons - Alkenes

JEE - Hydrocarbons - Alkenes

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Chemical Thermodynamics

Chemical Thermodynamics

JEE - Chemical Thermodynamics

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Purification & Characterisation

Purification & Characterisation

JEE - Purification & Characterisation

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Practical Organic Chemistry

Practical Organic Chemistry

JEE - Practical Organic Chemistry

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Periodic Table & Periodicity

Periodic Table & Periodicity

JEE - Periodic Table & Periodicity

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Organic Compounds with Halogens

Organic Compounds with Halogens

JEE - Organic Compounds with Halogens

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Nitrogen-Containing Compounds

Nitrogen-Containing Compounds

JEE - Nitrogen-Containing Compounds

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Hydrocarbons - Aromatic

Hydrocarbons - Aromatic

JEE - Hydrocarbons - Aromatic

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Hydrocarbons - Alkynes

Hydrocarbons - Alkynes

JEE - Hydrocarbons - Alkynes

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Hydrocarbons - Alkanes

Hydrocarbons - Alkanes

JEE - Hydrocarbons - Alkanes

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Coordination Compounds

Coordination Compounds

JEE - Coordination Compounds

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Chemical Bonding & Molecular Structure

Chemical Bonding & Molecular Structure

JEE - Chemical Bonding & Molecular Structure

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Basic Principles of Organic Chemistry

Basic Principles of Organic Chemistry

JEE - Basic Principles of Organic Chemistry

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Basic Concepts in Chemistry

Basic Concepts in Chemistry

JEE - Basic Concepts in Chemistry

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Aldehydes & Ketones

Aldehydes & Ketones

JEE - Aldehydes & Ketones

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Alcohols, Phenols & Ethers

Alcohols, Phenols & Ethers

JEE - Alcohols, Phenols & Ethers

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To get into top IITs, NITs, and IIITs, aspirants must practise JEE Chemistry Questions that are very important for achieving a high score in the exam. Chemistry in JEE essentially tests the conceptual clarity, factual recall, and problem-solving ability of the candidate across Physical, Organic, and Inorganic Chemistry. Some of the most important topics include Electrochemistry, Chemical Bonding, Organic Reaction Mechanisms, Coordination Compounds, and Thermodynamics. Chemistry is also important for other engineering entrance examinations such as BITSAT, VITEEE, MET, SRMJEEE, and WBJEE. We advise you to check the entire list of JEE Chemistry questions with solutions PDF.

How to Prepare for JEE Chemistry Questions?

The aspirant needs to be consistent across the course of preparation. Our JEE toppers advise you to do the following:

Clear Your Basics First

JEE Chemistry essentially tests conceptual clarity as much as factual knowledge. The candidate must get the fundamentals right before attempting advanced-level questions. In Physical Chemistry, this means mastering mole concept, equilibrium constants, and thermodynamic state functions before moving to applications. In Organic Chemistry, a thorough understanding of inductive effects, resonance, and reaction mechanisms (SN1, SN2, E1, E2, electrophilic addition) is essential — without them, named reactions become meaningless memorisation. In Inorganic Chemistry, understanding why periodic trends occur (effective nuclear charge, shielding, ionic radius) makes it far easier to reason through unfamiliar questions rather than relying purely on memory.

Maintain a Formula and Reaction Book

You must maintain a separate book for formulas, key equations, and important reactions that you encounter throughout your preparation. In Physical Chemistry, prioritise: Nernst equation, Arrhenius equation, van't Hoff factor, Raoult's law, integrated rate laws, and all four colligative property formulas. In Organic Chemistry, compile named reactions chapter-wise (Aldol condensation, Cannizzaro, Sandmeyer, Kolbe, Reimer-Tiemann, Clemmensen, Wolff-Kishner, Hofmann bromamide) along with their reagents and products in a single reference table. In Inorganic Chemistry, maintain a table of exceptions — anomalous behaviour of Li, Be, B, N, O, F and diagonal relationships. Revising this book weekly ensures instant recall under JEE exam pressure.

Practice is the Key

You must solve as many questions as you can. Solve all the questions from JEE Previous Papers where you will get a clear understanding of the type of questions being asked across years. JEE Chemistry question patterns are highly predictable — Electrochemistry Nernst equation calculations, VSEPR and hybridisation questions from Chemical Bonding, aldehyde-ketone distinction tests, and KMnO₄ reaction medium questions repeat in every session. Topic-wise practice helps identify weak areas early, while full-length JEE Mock Tests build the exam stamina and time management skills needed to attempt 25 Chemistry questions in 60 minutes.

JEE Chemistry Topic-wise Weightage

JEE Mains Chemistry is divided into three equally important sections: Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Physical Chemistry contributes questions from Mole Concept, Atomic Structure, Chemical Bonding, Thermodynamics, Chemical Equilibrium, Electrochemistry, Chemical Kinetics, and Solutions & Colligative Properties. Organic Chemistry questions come from General Organic Chemistry (GOC), Hydrocarbons, Alcohols-Phenols-Ethers, Aldehydes & Ketones, Carboxylic Acids, Amines, Biomolecules, and Polymers. Inorganic Chemistry covers the Periodic Table, s-Block, p-Block, d & f Block Elements, and Coordination Compounds. The numbers below represent the average number of questions per section, averaged across all sessions conducted in that year.

JEE Mains Topic Cluster (Avg across sessions)

2026

2025

2024

2023

2022

2021

2020

Physical Chemistry

9

9

9

9

9

9

9

Organic Chemistry

8

8

8

8

8

8

8

Inorganic Chemistry

8

8

8

8

8

8

8

Total (per paper)

25

25

25

25

25

25

25

Note: JEE Mains Chemistry has 25 questions per paper (20 MCQs + 5 numerical value type). The figures above are averages across all sessions conducted in each year. All three sections together account for the full 25 questions, with Physical Chemistry consistently the largest contributor. Chemistry is widely regarded as the most scoring section in JEE Mains for well-prepared aspirants, making it critical for JEE 2027 rank improvement. 2026 figures reflect the January and April 2026 session averages.

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