JEE Main Chemistry

Physical, Inorganic and Organic Chemistry — chapter-wise notes for JEE Main.

1

Some Basic Concepts of Chemistry

Mole concept, empirical and molecular formula, stoichiometry, limiting reagent and concentration terms.

NCERT Class 11JEE Main: 1 Q 9 min read
2

Atomic Structure

Bohr model, hydrogen spectrum, de Broglie and Heisenberg, quantum numbers, orbitals and electronic configuration.

NCERT Class 11JEE Main: 1–2 Qs 8 min read
3

Chemical Bonding and Molecular Structure

Ionic and covalent bonds, VSEPR shapes, hybridisation, molecular orbital theory, dipole moment and hydrogen bonding.

NCERT Class 11JEE Main: 1–2 Qs 8 min read
4

Chemical Thermodynamics

First law, work and heat, enthalpy, Hess’s law, entropy, Gibbs energy and spontaneity.

NCERT Class 11JEE Main: 1–2 Qs 8 min read
5

Solutions

Henry’s and Raoult’s laws, ideal and non-ideal solutions, colligative properties and the van’t Hoff factor.

NCERT Class 12JEE Main: 1 Q 8 min read
6

Equilibrium

Kc and Kp, Le Chatelier’s principle, pH, weak acids and bases, buffers, hydrolysis and solubility product.

NCERT Class 11JEE Main: 1–2 Qs 8 min read
7

Redox Reactions and Electrochemistry

Oxidation numbers, balancing, cell potential, Nernst equation, conductance, Kohlrausch’s law and Faraday’s laws.

NCERT Class 11 & 12JEE Main: 1–2 Qs 9 min read
8

Chemical Kinetics

Rate law, order and molecularity, integrated rate equations, half-life and the Arrhenius equation.

NCERT Class 12JEE Main: 1 Q 7 min read
9

Classification of Elements and Periodicity

Modern periodic law, s/p/d/f blocks, trends in radius, ionisation enthalpy, electron gain enthalpy and electronegativity.

NCERT Class 11JEE Main: 1 Q 8 min read
10

p-Block Elements

Groups 13 to 18 — inert pair effect, diborane, oxoacids of P and S, halogens, interhalogens and xenon compounds.

NCERT Class 11 & 12JEE Main: 1–2 Qs 9 min read
11

d- and f-Block Elements

Transition metal properties, magnetic moment, colour, KMnO₄ and K₂Cr₂O₇, lanthanoid contraction and actinoids.

NCERT Class 12JEE Main: 1 Q 8 min read
12

Coordination Compounds

Werner’s theory, IUPAC naming, isomerism, valence bond theory, crystal field theory and metal carbonyls.

NCERT Class 12JEE Main: 1–2 Qs 8 min read
13

Organic Chemistry: Basic Principles (GOC)

Hybridisation, IUPAC names, isomerism, inductive, resonance and hyperconjugation effects, intermediates, acidity and basicity.

NCERT Class 11JEE Main: 2 Qs 8 min read
14

Hydrocarbons

Alkanes, alkenes, alkynes and aromatic hydrocarbons — preparation, conformations, Markovnikov addition and aromaticity.

NCERT Class 11JEE Main: 1 Q 7 min read
15

Haloalkanes and Haloarenes

SN1 and SN2 mechanisms, stereochemistry, elimination, named reactions and the low reactivity of aryl halides.

NCERT Class 12JEE Main: 1 Q 7 min read
16

Alcohols, Phenols, Ethers, Aldehydes, Ketones and Acids

Preparation and reactions, acidity, aldol and Cannizzaro, Reimer–Tiemann, Kolbe, and distinguishing tests.

NCERT Class 12JEE Main: 2–3 Qs 8 min read
17

Organic Compounds Containing Nitrogen

Amines — preparation, basicity, Hinsberg and carbylamine tests; diazonium salts and azo coupling.

NCERT Class 12JEE Main: 1 Q 8 min read
18

Biomolecules

Carbohydrates, amino acids and proteins, enzymes, vitamins and nucleic acids.

NCERT Class 12JEE Main: 1 Q 8 min read
19

Purification and Practical Chemistry

Purification methods, chromatography, Lassaigne’s test, quantitative estimation, titrations and salt analysis.

NCERT Class 11 & 12JEE Main: 1 Q 8 min read