What Are the Important Chapters of Chemistry for JEE Main Examination

JEE Main is a tough exam, and Chemistry plays a big role in it. To do well, you need to follow a good strategy for JEE Main preparation. Chemistry has many chapters, but not all carry the same weight. So, you must focus on the ones that matter most. In this article, you'll learn which Chemistry chapters to prioritize and why they’re important.

Major Chemistry Chapters to Focus On

Knowing what to study can save time. Below are the key chapters you should cover during your JEE Main prep. Each one is explained in a simple way so you can focus better.

Physical Chemistry

This part deals with how chemicals behave physically.

It includes:

• Thermodynamics: how energy moves in chemical systems.
• Chemical Kinetics: how fast reactions happen.
• Electrochemistry: how electricity works in chemical reactions.

You must know the rules and how to apply them in questions.

Inorganic Chemistry

This section is about elements and compounds that don’t have carbon.

Important topics are:

• The Periodic Table: helps predict element behavior.
• Chemical Bonding: shows how atoms join together.
• Coordination Compounds: explains complex atom groups.

These basics are often asked in the exam.

Organic Chemistry

This part is all about carbon-based compounds.

Key areas include:

• Alkanes, Alkenes, Alkynes: types of hydrocarbons.
• Functional Groups: parts that define compound behavior.

If you get the basics right, this part becomes easier.

Analytical Chemistry

Analytical Chemistry is about finding out what’s in a substance.

You’ll see questions from:

• Acid-Base Titrations: used to measure strength of acids and bases.
• Gravimetric Analysis: involves weighing substances.
• Spectrophotometry: uses light to study chemical amounts.

You must know how to do simple calculations here.

Biochemistry

This part explains the chemicals inside living things.

Topics to know:

• Carbohydrates: sugars and energy providers.
• Lipids: fats and oils.
• Proteins: body-building chemicals.
• Nucleic Acids: DNA and RNA.

These topics show up in both direct and application-based questions.

Environmental Chemistry

This area talks about chemistry in nature.

Be clear on:

• Air Pollution: caused by harmful gases.
• Water Pollution: caused by waste in water.
• Soil Pollution: comes from chemicals in farming and waste.

This is an easy-scoring topic if you understand the basics.

Chapter-Wise Weightage in JEE Main 2026 – Chemistry

You can score better if you know which chapters carry more marks. Here's how different chapters have weighed in recent exams:

Chapters With 1 Question Each (3.3% Weightage)

• Mole Concept
• Redox Reactions
• Electrochemistry
• Chemical Kinetics
• Solution & Colligative Properties
• General Organic Chemistry
• Stereochemistry
• Hydrocarbon
• Alkyl Halides
• Carboxylic Acids & Derivatives
• Carbohydrates, Amino Acids & Polymers
• Aromatic Compounds

Each of these topics usually gets one question. They are short but crucial.

Chapters With 2 Questions Each (6.6% Weightage)

• Atomic Structure
• Chemical Bonding
• Chemical & Ionic Equilibrium
• Solid-State & Surface Chemistry
• Nuclear & Environmental Chemistry
• Thermodynamics & Gaseous State

These topics offer more marks. Practice them well.

Chapters With 3 Questions Each (9.9% Weightage)

• Transition Elements & Coordination Compounds
• Periodic Table & p-Block Elements

These chapters are heavily weighted. They often appear in both theory and calculation-based problems.

Final Strategy for JEE Main Preparation

Here’s how you should plan your study:

• Focus first on chapters with more weight.
• Don’t skip the easy ones. They help you score quickly.
• Practice mock tests to spot weak areas.
• Revise regularly to keep formulas and concepts fresh.
• Stay calm and follow a schedule.

FAQs

Which part of Chemistry is easiest for JEE Main?

Inorganic Chemistry is usually considered easier due to its memory-based questions.

Can I skip low-weightage chapters?

It’s better to cover all chapters, but focus more on high-weight ones.

How many Chemistry questions come in JEE Main?

There are typically 30 questions—20 are single correct and 10 are numerical.

Disclaimer: The information provided in this blog is for general guidance only. Readers are advised to verify facts independently before making any decisions.