> Study
Detailed Notes
Full theory with derivations, worked examples, and JEE-level problem sets. For first-read study.
Browse chapter notes →Free Chemistry study material · JEE Main & Advanced 2026 · No login
JEE Chemistry — detailed notes, short notes, formula sheets & PYQs for every chapter.
22 chapters of JEE Chemistry live across Physical, Inorganic, and Organic — from Mole Concept to Biomolecules. Study a chapter fully with detailed notes, revise it in 15 minutes using short notes, scan every formula and named reaction on the formula sheet, and drill chapter-wise PYQs. Free, no login.
- CHAPTERS
- 30
- NOTES LIVE
- 22
- PAGE TYPES
- 4
- COST
- ₹0
> WHAT YOU GET
Four page types for every chapter
Each chapter has four separate pages. One for deep study. One for fast revision. One for formulas. One for past questions. Search for any chapter directly and land on exactly what you need.
> Revise
Short Notes
Key concepts, important results, and common traps — no derivations. Revise a full chapter in 15–20 minutes.
Pick a chapter →> Learn
Formula Sheet
All formulas grouped by subtopic, each with a one-line "use when" note. Print-friendly.
Pick a chapter →> Solve
Chapter-wise PYQs
Past questions tagged by year and paper (Mains/Advanced), click-to-reveal answers and brief solution approach.
Pick a chapter →> CHEMISTRY
JEE Chemistry Notes — Chapter-wise
22 chapters live across Physical, Inorganic, and Organic Chemistry — the most formula-dependent subject in JEE, so short notes and formula sheets here are built to save you hours of scanning textbooks.
Physical Chemistry
10 chapters · ~35% JEE weightage
CH·01~3h read
Some Basic Concepts of Chemistry
Mole concept, Dalton's atomic theory, laws of chemical combination, stoichiometry, limiting reagent, percentage yield. 1–2 guaranteed questions every JEE Main paper.
Basic Concepts notes →CH·02~4h read
Atomic Structure
Bohr model, quantum numbers, electronic configuration, photoelectric effect, de Broglie wavelength, Heisenberg uncertainty. High JEE Main weightage.
Atomic Structure notes →CH·03~3h read
States of Matter
Gas laws, ideal gas equation, kinetic theory of gases, van der Waals equation for real gases, critical constants, liquefaction.
States of Matter notes →CH·04~4h read
Chemical Thermodynamics
First and second laws, enthalpy, entropy, Gibbs free energy, Hess's law, Born-Haber cycle, spontaneity conditions.
Thermodynamics notes →CH·05~3h read
Chemical Equilibrium
Law of mass action, Kp and Kc, Le Chatelier's principle, factors affecting equilibrium. 1–2 questions per JEE Main paper.
Chemical Equilibrium notes →CH·06~4h read
Ionic Equilibrium
Acids and bases, pH and pOH, buffer solutions, Henderson-Hasselbalch equation, solubility product, common ion effect, hydrolysis of salts.
Ionic Equilibrium notes →CH·07~3h read
Redox Reactions
Oxidation number, balancing redox equations (half-reaction and oxidation number methods), disproportionation, redox titrations.
Redox Reactions notes →CH·08~4h read
Electrochemistry
Galvanic cells, Nernst equation, electrolysis, conductance, batteries and fuel cells. Consistently asked in JEE Main and Advanced.
Electrochemistry notes →CH·09~4h read
Chemical Kinetics
Rate of reaction, order and molecularity, integrated rate laws, Arrhenius equation, activation energy, collision theory.
Chemical Kinetics notes →CH·10~3h read
Surface Chemistry
Adsorption, catalysis, colloids, emulsions, Tyndall effect, Brownian movement. Short chapter, easy marks in JEE Main.
Surface Chemistry notes →Inorganic Chemistry
4 chapters live · 10 chapters target · ~30% JEE weightage
CH·11~3h read
Periodic Classification
Modern periodic law, periodic trends — atomic radius, ionization energy, electron affinity, electronegativity. NCERT-heavy chapter.
Periodic Table notes →CH·12~4h read
Chemical Bonding
Lewis structures, VSEPR theory, hybridization, molecular orbital theory, bond parameters, hydrogen bonding. Very high JEE weightage.
Chemical Bonding notes →CH·13~3h read
d and f Block Elements
Electronic configuration, oxidation states, magnetic and colour properties, lanthanoid contraction, actinoids. 1–2 questions per JEE Main.
d & f Block notes →CH·14~4h read
Coordination Compounds
Werner's theory, nomenclature, isomerism, valence bond and crystal field theory, stability constants. Among the highest-scoring inorganic chapters.
Coordination Compounds notes →Organic Chemistry
8 chapters live · 10 chapters target · ~35% JEE weightage
CH·15~4h read
General Organic Chemistry (GOC)
Inductive effect, resonance, hyperconjugation, carbocation stability, acidic and basic strength order. The foundation for all of organic chemistry.
GOC notes →CH·16~3h read
IUPAC Nomenclature
Word root, suffix, prefix, functional group priority order, naming alkanes, alkenes, alkynes, bicyclic and aromatic compounds.
IUPAC notes →CH·17~4h read
Hydrocarbons
Alkanes, alkenes, alkynes, aromatic hydrocarbons, Markovnikov and anti-Markovnikov addition, ozonolysis, Friedel-Crafts reactions.
Hydrocarbons notes →CH·18~3.5h read
Haloalkanes and Haloarenes
SN1 vs SN2 mechanisms, E1/E2 elimination, Saytzeff rule, preparation and properties of alkyl and aryl halides.
Haloalkanes notes →CH·19~3.5h read
Alcohols, Phenols & Ethers
Classification, preparation (Grignard, hydroboration, Dow process), reactions, acidic character of phenols, ether synthesis.
Alcohols & Phenols notes →CH·20~4h read
Aldehydes, Ketones & Carboxylic Acids
Nucleophilic addition, aldol condensation, Cannizzaro, haloform, HVZ reaction, acidic strength of carboxylic acids. Big JEE Main presence.
Carbonyl notes →CH·21~3h read
Amines
Preparation (Gabriel, Hofmann), basic strength order, carbylamine and Hinsberg tests, diazonium salts.
Amines notes →CH·22~3h read
Biomolecules
Carbohydrates, amino acids, proteins, enzymes, vitamins, DNA/RNA, nucleotides. Quick revision chapter for JEE Main.
Biomolecules notes →> WEIGHTAGE
JEE Chemistry Weightage Analysis
Focus on high-weightage topics for maximum marks in JEE Main and Advanced.
PHYSICAL
35%
10 chapters target
INORGANIC
30%
10 chapters target
ORGANIC
35%
10 chapters target
> HOW TO USE
Complete JEE Chemistry Preparation Guide 2026
Why Choose Our Chemistry Notes?
Chemistry is the most formula- and reaction-dependent subject in JEE, so every chapter here packs three things: detailed theory for a first read, short notes that compress a chapter into 15 minutes, and a formula sheet that lists every formula and named reaction with a one-line "use when" note — plus a PYQ page with past questions tagged by year and paper.
High-scoring chapters like Chemical Bonding, Coordination Compounds, Electrochemistry, and Aldehydes-Ketones carry extra solved examples because that is where JEE Main and Advanced consistently award marks.
Chapter-wise JEE Weightage
Physical and Organic Chemistry each carry roughly 35% of JEE Main Chemistry, with Inorganic at about 30%. Within Physical, Chemical and Ionic Equilibrium are the most consistent; within Organic, GOC and named reactions dominate; within Inorganic, Coordination Compounds and Periodic Table are the highest-scoring.
Inorganic Chemistry is the most NCERT-driven part of the paper — most JEE Main inorganic questions come directly from NCERT theory and reactions, so line-by-line revision pays off.
How to Use These Chemistry Notes Effectively?
- Start with Mole Concept, then Atomic Structure, then Chemical Bonding — they set up the entire syllabus.
- Complete one chapter before moving on; leave revision skips for the final months.
- In Organic, master GOC first — inductive effect, resonance, and hyperconjugation explain most reactions.
- Memorise named reactions and mechanisms chapter by chapter, and revise them every week.
- Make your own formula sheet from the chapter sheet and scan it before every mock test.
- Attempt chapter-wise PYQs after finishing the notes — untimed first, then timed.
> WHERE TO NEXT
Three honest starting points
Pick the one that matches where you are in your JEE 2026 prep.
PATH A · START
Build your foundation
Begin with Some Basic Concepts of Chemistry — Mole Concept sets up Physical, Organic, and Inorganic.
Start with Mole Concept →PATH B · REVISE
Revise a chapter fast
Jump to any chapter's short notes or formula sheet for a 15-minute revision pass.
Pick a chapter to revise →PATH C · PLAN
Plan your strategy
Do-or-die chapters, exam dates, registration guides, and high-weightage analysis for JEE Main & Advanced 2026.
Read the strategy blog →> SUBJECTS
Choose your subject
Every subject index lists chapters with completion status for each of the four page types.
P
Physics
Mechanics, electromagnetism, thermodynamics, optics, modern physics & more.
- Units & Dimensions, Kinematics, Laws of Motion
- Work-Energy, Rotation, Gravitation, Fluids
- Electrostatics, Capacitance, Current, Magnetism, EMI
- 25 chapters live
C
Chemistry
Physical, Organic, Inorganic — concepts, mechanisms, and reaction maps.
- Basic Concepts, Atomic Structure, States of Matter
- Thermodynamics, Chemical & Ionic Equilibrium
- Organic & Inorganic coverage rolling out
- 22 chapters live
M
Mathematics
Algebra, Calculus, Trigonometry, Coordinate Geometry, Vectors & 3D.
- Sets, Relations & Functions, Complex Numbers
- Quadratic, Sequences & Series, P&C
- Calculus, Coordinate Geometry, Trigonometry
- 6 chapters live
> ABOUT
About JEE Prep Guide
Most free JEE resources are either scattered PDFs with no structure, or full-chapter videos you have to scrub through to find one formula. JEE Prep Guide is built differently — every chapter has a dedicated notes page, a short notes page, a formula sheet, and a PYQ page, each at its own URL. You search for what you need and land directly on it.
Chemistry coverage is at 22 of 30 chapters — Physical Chemistry is complete, and Inorganic and Organic are being added through 2026. Short notes, formula sheets, and PYQ pages are being added to completed chapters throughout the year.
- No login, no paywall, no premium tier — the entire site is free.
- Ad-supported and kept light — ads never appear inside question or formula content.
- Mobile-first — built for students studying on phones, not just on desktops.
> FAQ
Frequently Asked Questions
How many chapters are there in JEE Chemistry?
JEE Chemistry consists of 30+ chapters across three major sections: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry. Each section carries roughly equal weightage in JEE Main.
Which is the highest weightage chapter in JEE Chemistry?
Organic Chemistry has the highest overall weightage (~35%) in JEE Chemistry. Within Physical Chemistry, Mole Concept, Thermodynamics, Electrochemistry, and Chemical Equilibrium are most important. In Inorganic, Coordination Compounds and Periodic Table are high-scoring.
Are these notes sufficient for JEE Advanced Chemistry?
Yes, our notes cover the complete JEE Advanced Chemistry syllabus with detailed theory, solved examples, reaction mechanisms, shortcuts, and previous year question analysis. Each chapter includes both JEE Main and Advanced level problems.
How long does it take to complete JEE Chemistry preparation?
With structured notes, dedicated students can complete the entire JEE Chemistry syllabus in 5–6 months with 3–4 hours of daily study. Revision and practice of reactions and mechanisms should continue for 6–8 months for better retention.
Which chapters should I study first in JEE Chemistry?
Start with Some Basic Concepts of Chemistry (Mole Concept), then Atomic Structure, followed by Chemical Bonding. In Organic, start with GOC (General Organic Chemistry) before specific named reactions. In Inorganic, begin with Periodic Table and Chemical Bonding.
Is NCERT enough for JEE Chemistry?
For Inorganic Chemistry, NCERT is nearly sufficient — most JEE Main Inorganic questions come directly from NCERT theory and reactions. For Physical Chemistry, NCERT concepts plus problem practice is needed. For Organic Chemistry, NCERT reactions must be memorised thoroughly, supplemented with mechanism practice.