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Chemistry Notes

NCERT Class 11 & 12 ยท NEET Aligned

30 chapters availableยท17 high-weightage chaptersยท100% Free

Class 11 Chapters

14 chapters
Ch. 1Medium Weightage

Some Basic Concepts of Chemistry

Quantitative chemistry foundation: laws of chemical combination, mole concept, stoichiometry, empirical and mo...

Ch. 2High Weightage

Structure of Atom

Atomic models (Thomson, Rutherford, Bohr), quantum mechanical model, quantum numbers, orbital shapes, electron...

Ch. 3Medium Weightage

Classification of Elements & Periodicity

Modern periodic law, periodic table blocks and periods, and periodic trends: atomic radius, ionic radius, ioni...

Ch. 4High Weightage

Chemical Bonding & Molecular Structure

Ionic and covalent bonding, Lewis structures, VSEPR theory for molecular geometry, hybridisation, MO theory (b...

Ch. 5Medium Weightage

States of Matter

Gas laws, ideal gas equation, kinetic molecular theory, real gases (van der Waals equation), and properties of...

Ch. 6High Weightage

Thermodynamics

Laws of thermodynamics, enthalpy, Hess's law, entropy, Gibbs free energy, and spontaneity criteria. NEET tests...

Ch. 7High Weightage

Equilibrium

Chemical and ionic equilibria: equilibrium constant expressions (Kc, Kp), Le Chatelier's principle, acids and ...

Ch. 8Medium Weightage

Redox Reactions

Oxidation states, oxidising and reducing agents, balancing redox equations (half-reaction and oxidation number...

Ch. 9Low Weightage

Hydrogen

Unique properties of hydrogen (resembles both alkali metals and halogens), isotopes, preparation, properties, ...

Ch. 10Medium Weightage

s-Block Elements

Group 1 (alkali metals: Li, Na, K, Rb, Cs) and Group 2 (alkaline earth metals: Be, Mg, Ca, Sr, Ba) properties,...

Ch. 11Medium Weightage

Some p-Block Elements

Group 13 (B, Al, Ga, In, Tl) and Group 14 (C, Si, Ge, Sn, Pb) trends, anomalous properties of B and C, borax, ...

Ch. 12High Weightage

Organic Chemistry โ€“ Some Basic Principles and Techniques

Hybridisation and carbon types, isomerism (structural and stereoisomerism), homologous series, electronic effe...

Ch. 13High Weightage

Hydrocarbons

Alkanes (free radical halogenation), alkenes (electrophilic addition, Markovnikov's rule, E/Z isomerism), alky...

Ch. 14Low Weightage

Environmental Chemistry

Atmospheric chemistry (tropospheric and stratospheric pollution), water pollution, soil pollution, industrial/...

Class 12 Chapters

16 chapters
Ch. 1Medium Weightage

Some Basic Concepts of Chemistry

Classification of solids, crystal lattices, unit cells, packing efficiency, density calculations, defects in s...

Ch. 2High Weightage

Solutions

Types of solutions, concentration units, Raoult's law, colligative properties (vapour pressure lowering, eleva...

Ch. 3High Weightage

Electrochemistry

Electrochemical cells (galvanic and electrolytic), electrode potentials (standard reduction potential), Nernst...

Ch. 4High Weightage

Chemical Kinetics

Rate of reaction, order and molecularity, rate laws, integrated rate equations, half-life, Arrhenius equation,...

Ch. 5Medium Weightage

States of Matter

Adsorption (physisorption vs chemisorption), Freundlich and Langmuir isotherms, colloids (preparation, propert...

Ch. 6Low Weightage

Thermodynamics

Ores, concentration methods, extraction (reduction of oxides), refining techniques, and thermodynamic principl...

Ch. 7High Weightage

Equilibrium

Group 15 (N, P, As, Sb, Bi): nitrogen family; Group 16 (O, S, Se, Te): chalcogens; Group 17 (F, Cl, Br, I): ha...

Ch. 8High Weightage

The d- and f-Block Elements

Transition elements (d-block, groups 3-12): characteristic properties, variable oxidation states, complex form...

Ch. 9High Weightage

Coordination Compounds

Werner's theory, nomenclature, structure, isomerism, valence bond and crystal field theory (CFT), colour, magn...

Ch. 10High Weightage

Haloalkanes and Haloarenes

Haloalkane preparation, properties, SN1 vs SN2 mechanisms, elimination reactions, Grignard reagent, haloarenes...

Ch. 11High Weightage

Alcohols, Phenols and Ethers

Classification, preparation, and reactions of alcohols (oxidation, dehydration, Lucas test), phenols (acidic c...

Ch. 12High Weightage

Aldehydes, Ketones and Carboxylic Acids

Preparation and reactions of aldehydes and ketones (nucleophilic addition, condensation), and carboxylic acids...

Ch. 13High Weightage

Amines

Classification, preparation, basicity of amines, reactions (diazotisation, Hinsberg test, Gabriel synthesis), ...

Ch. 14High Weightage

Biomolecules

Carbohydrates (monosaccharides, disaccharides, polysaccharides, reducing sugars), proteins (amino acids, pepti...

Ch. 15Medium Weightage

Solid State

Classification of polymers, addition polymers, condensation polymers, copolymers, biodegradable polymers, rubb...

Ch. 16Medium Weightage

Solutions

Drugs (analgesics, tranquilisers, antibiotics, antiseptics, antioxidants), soaps and detergents, food preserva...

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