NEET Chemistry Syllabus 2026: Complete Chapter-Wise Topics

Chemistry is one of the three core subjects in the NEET UG examination, contributing 45 questions and 180 marks to the total score of 720. The NEET 2026 Chemistry syllabus is drawn from the Class 11 and Class 12 NCERT Chemistry textbooks as prescribed by the National Medical Commission (NMC). Chemistry is widely regarded as the most balanced and scoring section in NEET, as it combines fact-based Inorganic Chemistry questions that reward careful NCERT reading, concept-based Organic Chemistry questions that test reaction mechanisms and named reactions, and numerical Physical Chemistry questions that require formula application.

The Chemistry syllabus for NEET 2026 spans 30 chapters: 14 from Class 11 and 16 from Class 12. It is divided into three broad areas that together cover the complete scope of undergraduate chemistry: Physical Chemistry (covering atomic structure, thermodynamics, equilibrium, electrochemistry, kinetics, and solutions), Organic Chemistry (covering bonding, reactions, and functional group chemistry), and Inorganic Chemistry (covering periodic table trends, s-block, p-block, d-block, f-block elements, and coordination compounds).

This page provides the complete NEET 2026 Chemistry syllabus with every chapter broken down into all key topics, approximate question weightage based on analysis of NEET papers from 2016 onwards, chapter-wise study strategies, a reference table of important named reactions, and a comprehensive FAQ section for Chemistry preparation.

NEET Chemistry 2026: Quick Facts

NEET 2026 Chemistry Paper Structure

The Chemistry section of NEET 2026 is split into Section A (35 compulsory questions) and Section B (15 questions, attempt any 10). This structure applies identically to Physics and Biology as well. Candidates should read the instructions on the question paper carefully before beginning this section.

Chemistry Divided: Physical, Organic, and Inorganic

The NEET Chemistry syllabus is best understood by dividing it into its three principal branches. Each branch has a distinct preparation strategy and question pattern.

NEET Chemistry Class 11 Syllabus: All Chapters and Topics

Class 11 Chemistry forms the conceptual foundation of the NEET Chemistry syllabus. It covers the building blocks of all three branches: atomic theory, chemical bonding, states of matter, thermodynamics, equilibrium, redox reactions, and the introduction to organic chemistry. These chapters establish the principles that all Class 12 Chemistry chapters build upon.

Chapter 1: Some Basic Concepts of Chemistry

This chapter establishes the quantitative language of chemistry. The mole concept is tested directly in numerical problems and indirectly in stoichiometry questions across several other chapters.

•        Importance of Chemistry; nature of matter; states of matter

•        Properties of matter and their measurement; SI units

•        Uncertainty in measurement; significant figures

•        Laws of chemical combination: Lavoisier, Proust, Dalton, Gay-Lussac

•        Atomic and molecular masses; mole concept; Avogadro's number

•        Percentage composition; empirical and molecular formula

•        Chemical reactions and stoichiometry; limiting reagent

•        Concentration terms: molarity, molality, mole fraction, normality, ppm

Chapter 2: Structure of Atom

Atomic structure is a medium-weightage chapter that provides the basis for periodic properties and chemical bonding. Bohr's model calculations, quantum number rules, and electronic configurations are regularly tested.

•        Discovery of electron (Cathode rays), proton, neutron

•        Thomson's atomic model; Rutherford's nuclear model; alpha scattering experiment

•        Atomic number, mass number; isotopes, isobars, isotones

•        Bohr's model: postulates, radii, energy levels; limitations

•        Dual nature of electromagnetic radiation; Planck's quantum theory

•        Photoelectric effect; hydrogen spectrum; Lyman, Balmer, Paschen, Brackett, Pfund series

•        de Broglie relation; Heisenberg's uncertainty principle

•        Quantum mechanical model; quantum numbers (n, l, m, s)

•        Orbitals: shapes of s, p, d orbitals

•        Electronic configuration: Aufbau principle, Hund's rule, Pauli exclusion principle

Chapter 3: Classification of Elements and Periodicity in Properties

Periodic table questions are largely factual and NCERT-based. Trends in atomic radius, ionisation energy, and electronegativity are tested both conceptually and through comparison questions.

•        Mendeleev's periodic table; modern periodic law and present form of periodic table

•        Nomenclature of elements with Z > 100

•        Periodic trends in properties: atomic radius, ionic radius

•        Ionisation enthalpy; electron gain enthalpy; electronegativity

•        Valency; metallic and non-metallic character

•        Anomalous properties of second-period elements (Li, Be, B, C, N, O, F, Ne)

Chapter 4: Chemical Bonding and Molecular Structure

Chemical Bonding is one of the highest-weightage chapters in Class 11 and is tested regularly with three to four questions. VSEPR theory, hybridisation, and bond parameters are the most frequently tested topics.

•        Kossel-Lewis approach; ionic bond: formation and lattice energy

•        Born-Haber cycle; properties of ionic compounds

•        Covalent bond; Lewis structures; octet rule; formal charge

•        VSEPR theory: geometry and shape of molecules (AXn types)

•        Hybridisation: sp, sp2, sp3, sp3d, sp3d2, sp3d3

•        Molecular orbital theory: bonding and antibonding MOs, bond order

•        Resonance structures; resonance energy

•        Valence bond theory (VBT): overlapping of orbitals; sigma and pi bonds

•        Dipole moment; polar and non-polar covalent bonds

•        Hydrogen bond: intermolecular and intramolecular; effects on properties

Chapter 5: States of Matter: Gases and Liquids

This chapter covers gas laws and the kinetic theory of gases. It is a low-to-medium weightage chapter but provides direct marks through straightforward numerical questions.

•        Intermolecular forces; thermal energy; gaseous state

•        Boyle's law, Charles' law, Gay-Lussac's law, Avogadro's law

•        Ideal gas equation: PV = nRT; Dalton's law of partial pressures

•        Kinetic theory of gases: postulates; derivation of PV = 1/3 mnc2

•        RMS speed, average speed, most probable speed

•        Real gases: deviation from ideal behaviour; van der Waals equation

•        Compressibility factor Z; Boyle temperature; liquefaction of gases

•        Liquid state: vapour pressure, viscosity, surface tension

Chapter 6: Thermodynamics

Thermodynamics is a medium-to-high weightage chapter tested in both Physical and Organic Chemistry contexts. Gibbs energy and spontaneity, Hess's law, and enthalpy calculations are the most frequently tested concepts.

•        System, surroundings; types of systems (open, closed, isolated)

•        State functions; thermodynamic processes (isothermal, adiabatic, etc.)

•        First law of thermodynamics: DU = q + w; internal energy

•        Enthalpy H; relationship H = U + PV; enthalpy change

•        Heat capacity at constant volume and pressure; Cp and Cv

•        Enthalpies of reactions: formation, combustion, atomisation, sublimation

•        Bond enthalpy; enthalpy of solution and hydration; lattice energy

•        Hess's law of constant heat summation; applications

•        Second law of thermodynamics; entropy; spontaneity

•        Gibbs free energy G = H - TS; DG and spontaneity; DG = -nFE

•        Third law of thermodynamics (qualitative)

Chapter 7: Equilibrium

Equilibrium is a high-weightage chapter that contributes three to four questions consistently. Both chemical equilibrium (Kp, Kc, Le Chatelier) and ionic equilibrium (pH, buffers, Ksp) are tested in NEET.

•        Equilibrium in physical and chemical processes

•        Law of chemical equilibrium; equilibrium constant Kc and Kp; relationship between Kp and Kc

•        Factors affecting equilibrium: Le Chatelier's principle

•        Ionic equilibrium; ionisation of acids and bases; strong and weak electrolytes

•        Degree of ionisation; Ka, Kb; relationship Ka x Kb = Kw

•        Buffer solutions: Henderson-Hasselbalch equation; buffer action

•        Hydrolysis of salts; pH of salt solutions

•        Solubility product Ksp; common ion effect; applications

•        Concept of acids and bases: Arrhenius, Bronsted-Lowry, Lewis

Chapter 8: Redox Reactions

Redox Reactions is a low-to-medium weightage chapter but provides the foundation for Electrochemistry in Class 12. Balancing redox equations and assigning oxidation numbers are the core skills tested.

•        Classical idea of oxidation and reduction

•        Oxidation number: rules for assigning oxidation numbers

•        Redox reactions in terms of electron transfer

•        Oxidising agents and reducing agents; activity series

•        Balancing redox equations: oxidation number method

•        Balancing redox equations: half-reaction (ion-electron) method

•        Redox reactions in acidic and basic media

Chapter 9: Hydrogen

Hydrogen is a low-weightage chapter. Questions from this chapter typically focus on the properties of hydrogen peroxide or water, or on hydrogen's position in the periodic table.

•        Position of hydrogen in periodic table; isotopes of hydrogen

•        Preparation, properties, and uses of dihydrogen

•        Hydrides: ionic, covalent, and interstitial hydrides

•        Water: structure; physical and chemical properties; hard and soft water

•        Heavy water: preparation and properties

•        Hydrogen peroxide: preparation, structure, properties, uses

•        Hydrogen as a fuel: hydrogen economy

Chapter 10: s-Block Elements (Alkali and Alkaline Earth Metals)

s-Block Elements is a medium-weightage chapter. Questions frequently compare properties of Group 1 and Group 2 metals and test knowledge of important industrial compounds.

•        Group 1 elements: alkali metals — electronic configuration, general properties, anomalous behaviour of Li

•        Reactions of alkali metals: with water, oxygen, hydrogen

•        Important compounds: NaOH (caustic soda), Na2CO3 (washing soda), NaHCO3 (baking soda), NaCl

•        Group 2 elements: alkaline earth metals — electronic configuration, general properties, anomalous behaviour of Be

•        Reactions of alkaline earth metals: with water, oxygen, hydrogen, halogens

•        Important compounds: CaO (quicklime), Ca(OH)2 (slaked lime), CaCO3 (limestone), CaSO4 (plaster of Paris), cement

•        Diagonal relationship between Li-Mg and Be-Al

Chapter 11: Some p-Block Elements (Groups 13 and 14)

This chapter covers the first two groups of the p-block. Questions frequently test properties of boron compounds and carbon allotropes.

•        Group 13: Boron family — electronic configuration, occurrence, properties, trends

•        Borax, orthoboric acid, boron hydrides (diborane): structure and properties

•        Aluminium: reactions, uses; alums

•        Group 14: Carbon family — electronic configuration, occurrence, properties, trends

•        Allotropes of carbon: diamond, graphite, fullerenes — structure and properties

•        Silicon dioxide; silicones; silicates structure; zeolites

•        Carbides; compounds of carbon: CO, CO2; carbonates and bicarbonates

Chapter 12: Organic Chemistry — Some Basic Principles and Techniques

This chapter is the gateway to all organic chemistry in NEET. IUPAC nomenclature, isomerism types, and electronic effects (inductive, resonance, hyperconjugation) form the foundation for every subsequent organic chapter.

•        General introduction to organic compounds; classification

•        IUPAC nomenclature: rules for naming organic compounds

•        Isomerism: structural isomerism (chain, position, functional group, metamerism, tautomerism)

•        Stereoisomerism: geometric (cis-trans) and optical isomerism (enantiomers, diastereomers, meso)

•        R/S configuration; chirality; chiral centre

•        Electronic displacement effects: inductive, mesomeric (resonance), hyperconjugation

•        Electrophiles and nucleophiles; homolytic and heterolytic bond cleavage

•        Types of organic reactions: addition, substitution, elimination, rearrangement

•        Reaction intermediates: carbocation, carbanion, free radical, carbene

•        Purification techniques: distillation, crystallisation, chromatography

•        Qualitative analysis of organic compounds: detection of N, S, halogens

Chapter 13: Hydrocarbons

Hydrocarbons is a medium-to-high weightage chapter that covers alkanes, alkenes, alkynes, and aromatic compounds. Markovnikov's rule, addition reactions, and electrophilic aromatic substitution are frequently tested.

•        Classification of hydrocarbons: saturated, unsaturated, aromatic

•        Alkanes: IUPAC nomenclature, isomerism, conformations (ethane)

•        Alkane reactions: free radical halogenation; combustion; pyrolysis

•        Alkenes: IUPAC nomenclature; isomerism; methods of preparation

•        Alkene reactions: addition (HX, H2, Br2, H2O); Markovnikov's rule; ozonolysis; oxidation; polymerisation

•        Alkynes: IUPAC nomenclature; preparation; acidic nature; reactions

•        Benzene: Kekule structure; aromaticity; Huckel's rule

•        Electrophilic aromatic substitution (EAS): nitration, sulfonation, halogenation, Friedel-Crafts alkylation and acylation

•        Directive effects of substituents in EAS: activating and deactivating groups

•        Hazards of hydrocarbons

Chapter 14: Environmental Chemistry

Environmental Chemistry is a low-weightage chapter that provides easy, factual marks. Questions focus on types and sources of pollution and specific chemical pollutants.

•        Environmental pollution: definition; types

•        Atmospheric pollution: tropospheric — carbon oxides, sulphur dioxide, nitrogen oxides, photochemical smog, acid rain

•        Stratospheric pollution: ozone layer and its depletion; ozone hole; harmful effects of UV radiation

•        Water pollution: causes (sewage, industrial effluents, fertilisers, pesticides); BOD

•        Soil pollution: pesticides; solid waste; eutrophication

•        Strategies to control environmental pollution

•        Green chemistry: principles and applications

NEET Chemistry Class 12 Syllabus: All Chapters and Topics

Class 12 Chemistry covers the advanced branches of all three areas and contributes more questions to NEET than Class 11, particularly through Organic Chemistry (functional group chapters), Inorganic Chemistry (coordination compounds, d-block elements), and Physical Chemistry (electrochemistry, solutions, kinetics). These chapters together account for approximately 55 to 60 percent of the total Chemistry questions in NEET.

Chapter 1: Solid State

Solid State is a conceptual Physical Chemistry chapter. Packing efficiency, Bragg's equation, and crystal defects are the most predictable NEET question types.

•        Classification of solids: crystalline and amorphous

•        Unit cells: types (primitive, face-centred, body-centred)

•        Crystal systems: cubic, tetragonal, orthorhombic, rhombohedral, hexagonal, monoclinic, triclinic

•        Packing efficiency: simple cubic (52.4%), BCC (68%), FCC/CCP (74%)

•        Number of atoms per unit cell: primitive (1), BCC (2), FCC (4)

•        Voids: tetrahedral and octahedral voids; radius ratio rule

•        Crystal defects: Frenkel and Schottky defects; metal excess and metal deficiency defects

•        Electrical properties: conductors, semiconductors, insulators; p-type and n-type semiconductors

•        Magnetic properties: diamagnetic, paramagnetic, ferromagnetic, ferrimagnetic, antiferromagnetic

Chapter 2: Solutions

Solutions is a high-weightage Physical Chemistry chapter with multiple numerical questions in NEET. Colligative properties, Raoult's law, and van't Hoff factor calculations are the most tested areas.

•        Types of solutions; concentration units: molarity, molality, mole fraction, ppm

•        Henry's law: solubility of gases in liquids

•        Vapour pressure of solutions; Raoult's law for ideal solutions

•        Ideal and non-ideal solutions: positive and negative deviations from Raoult's law

•        Colligative properties: definition; relative lowering of vapour pressure

•        Elevation of boiling point: DT_b = Kb x m; calculation of Kb

•        Depression of freezing point: DT_f = Kf x m; cryoscopic constant

•        Osmosis; osmotic pressure: pi = MRT (van't Hoff equation)

•        Abnormal molar mass; van't Hoff factor i; association and dissociation

Chapter 3: Electrochemistry

Electrochemistry is a critical chapter for NEET with three to four questions annually. Nernst equation calculations, cell EMF, and Kohlrausch's law applications are tested regularly.

•        Electrochemical cells: electrolytic and galvanic cells; redox reactions

•        Cell notation; electrode potential; standard electrode potential

•        Standard hydrogen electrode (SHE); electrochemical series

•        EMF of a cell; Nernst equation: E = E° - (RT/nF) ln Q

•        Relationship between EMF and Gibbs energy: DG = -nFE

•        Electrolytic conductance; specific conductance; molar conductance

•        Kohlrausch's law: molar conductance at infinite dilution; applications

•        Faraday's laws of electrolysis: first and second laws; calculations

•        Products of electrolysis; electrolysis of water, NaCl solution, CuSO4

•        Batteries: primary (dry cell) and secondary (lead storage, nickel-cadmium)

•        Fuel cells: hydrogen-oxygen fuel cell

•        Corrosion: electrochemical explanation; prevention methods

Chapter 4: Chemical Kinetics

Chemical Kinetics is tested with two to three questions in most NEET papers. Order of reaction, rate constant units, and Arrhenius equation calculations are the most reliable question types.

•        Rate of reaction: average rate and instantaneous rate

•        Rate law and rate constant; order of reaction; units of k

•        Molecularity; elementary and complex reactions

•        Integrated rate equations: zero order (t = [A]0/k), first order (t = 2.303/k log[A]0/[A])

•        Half-life of reactions: t1/2 = 0.693/k (first order)

•        Pseudo-first order reactions

•        Effect of temperature on rate: Arrhenius equation k = A e(-Ea/RT)

•        Activation energy Ea; Arrhenius factor A (frequency factor)

•        Collision theory of chemical reactions; threshold energy

Chapter 5: Surface Chemistry

Surface Chemistry provides one to two reliable factual marks in NEET. Questions focus on types of adsorption, properties of colloids, and the Tyndall effect.

•        Adsorption: physisorption and chemisorption; factors affecting adsorption

•        Adsorption isotherms: Freundlich and Langmuir isotherms

•        Catalysis: homogeneous and heterogeneous catalysis

•        Enzyme catalysis: specificity and mechanisms

•        Shape-selective catalysis by zeolites

•        Colloids: colloidal state; classification (lyophilic and lyophobic)

•        Preparation of colloids; Tyndall effect; Brownian motion

•        Charge on colloidal particles; coagulation; peptisation

•        Emulsions: types, preparation, properties; micelles

Chapter 6: General Principles and Processes of Isolation of Elements

This chapter is low-weightage but provides easy marks through questions on extraction principles and specific processes for iron, copper, zinc, and aluminium.

•        Occurrence of metals; minerals and ores

•        Steps in metallurgy: concentration, extraction, refining

•        Concentration of ores: hydraulic washing, froth flotation, magnetic separation, chemical leaching

•        Extraction of crude metal: smelting, calcination, roasting

•        Thermodynamic principles: Ellingham diagram; Gibbs energy and extraction

•        Electrochemical principles of metallurgy

•        Extraction of iron: blast furnace; pig iron, cast iron, wrought iron, steel

•        Extraction of copper: from copper pyrite

•        Extraction of zinc: from zinc blende

•        Refining methods: distillation, liquation, electrolytic refining, vapour phase refining, zone refining

Chapter 7: The p-Block Elements (Groups 15–18)

p-Block Elements (Class 12) is a high-weightage Inorganic chapter contributing three to five questions. Important compounds of nitrogen, sulphur, halogens, and their properties and reactions are tested extensively.

•        Group 15 (Nitrogen family): electronic configuration; general properties; allotropic forms

•        Nitrogen: preparation, properties, uses; ammonia synthesis (Haber's process); structure of NH3

•        Oxides of nitrogen: N2O, NO, N2O3, NO2, N2O4, N2O5 — structures and properties

•        Nitric acid: Ostwald process; properties; reactions with metals and non-metals

•        Phosphorus: allotropes (white, red, black); phosphine; halides (PCl3, PCl5); oxyacids

•        Group 16 (Oxygen family): general properties; allotropes of oxygen; ozone — formation and reactions

•        Sulphur: allotropes; sulphuric acid — manufacture (Contact process), properties, uses

•        Oxides of sulphur: SO2, SO3; oxoacids of sulphur

•        Group 17 (Halogen family): general properties; preparation and properties of fluorine and chlorine

•        Interhalogen compounds: types and properties

•        Oxoacids of halogens; bleaching powder

•        Group 18 (Noble gases): general properties; uses; xenon compounds (XeF2, XeF4, XeF6, XeOF2)

Chapter 8: The d- and f-Block Elements

d and f Block Elements is tested with two to four questions. Properties of transition metals, oxidation states, and important compounds (KMnO4 and K2Cr2O7) are the key areas.

•        Transition elements: electronic configuration; general properties; variable oxidation states

•        Magnetic properties; colour; catalytic properties of transition metals

•        Interstitial compounds; alloy formation

•        Potassium permanganate KMnO4: preparation, structure, properties; reactions in acidic and basic medium

•        Potassium dichromate K2Cr2O7: preparation, structure, oxidising property; reactions

•        f-Block elements: lanthanides — electronic configuration, oxidation states, lanthanide contraction

•        Actinides — electronic configuration, oxidation states; comparison with lanthanides

Chapter 9: Coordination Compounds

Coordination Compounds is one of the highest-weightage Inorganic Chemistry chapters, contributing three to five questions in most NEET papers. IUPAC nomenclature, isomerism, and crystal field theory are the most tested topics.

•        Introduction to coordination compounds; Werner's theory

•        Ligands: types (monodentate, bidentate, polydentate, ambidentate); chelates

•        Coordination number; oxidation state; coordination entity

•        IUPAC nomenclature of coordination compounds

•        Isomerism in coordination compounds: structural isomerism (linkage, ionisation, hydration, coordination) and stereoisomerism (geometric: cis-trans; optical)

•        Bonding theories: VBT — inner and outer orbital complexes

•        Crystal Field Theory (CFT): splitting of d-orbitals in octahedral and tetrahedral fields

•        CFSE; high spin and low spin complexes; colour of coordination compounds

•        Biological importance: haemoglobin, chlorophyll, vitamin B12

•        Applications of coordination compounds in medicine (cisplatin) and extraction

Chapter 10: Haloalkanes and Haloarenes

This chapter is tested with two to three questions, focusing on SN1 vs SN2 mechanisms, reactivity order, and environmental impacts of halogenated compounds.

•        Classification and nomenclature of haloalkanes and haloarenes

•        Nature of C-X bond in haloalkanes

•        Methods of preparation: from alcohols, alkenes, alkanes (free radical halogenation), silver salts

•        Physical properties: boiling point, solubility, density

•        Chemical reactions: nucleophilic substitution (SN1 and SN2 mechanisms)

•        Optical activity in SN reactions; Walden inversion

•        Reactions of haloarenes: nucleophilic aromatic substitution; effect of electron-withdrawing groups

•        Di- and polyhalogen compounds: dichloromethane, chloroform, iodoform, CCl4, Freons, DDT — uses and harms

Chapter 11: Alcohols, Phenols and Ethers

Alcohols, Phenols, and Ethers is tested with two to three questions. Acidic nature of phenols, reactions of alcohols with oxidising agents, and ether reactions are tested regularly.

•        Classification and nomenclature of alcohols, phenols, ethers

•        Structures of alcohols; methods of preparation (from alkenes, aldehydes, esters)

•        Physical properties of alcohols; hydrogen bonding

•        Chemical reactions of alcohols: with Na, PCl5, SOCl2; oxidation; dehydration; esterification

•        Reaction with Lucas reagent; distinction between 1°, 2°, 3° alcohols

•        Phenols: preparation from chlorobenzene, cumene; physical properties

•        Acidic nature of phenols; reactions: with NaOH, FeCl3, bromine; Kolbe, Reimer-Tiemann

•        Ethers: preparation by Williamson synthesis; reactions

Chapter 12: Aldehydes, Ketones and Carboxylic Acids

This chapter is one of the highest-weightage Organic Chemistry chapters in NEET, contributing three to five questions. Nucleophilic addition reactions, named reactions, and acidity of carboxylic acids are central topics.

•        Nomenclature and structure of aldehydes and ketones

•        Preparation of aldehydes and ketones: from alcohols (oxidation), ozonolysis, acid chlorides

•        Physical properties; nucleophilic addition reactions: addition of HCN, NaHSO3, Grignard reagent, H2O

•        Aldol condensation; Cannizzaro reaction; cross-aldol condensation

•        Nucleophilic addition-elimination: with hydroxylamine, semicarbazide, phenylhydrazine, hydrazine

•        Oxidation of aldehydes: Tollens', Fehling's, Benedict's tests; distinction from ketones

•        Clemmensen and Wolff-Kishner reductions; MPV reduction

•        Nomenclature and structure of carboxylic acids; preparation

•        Acidity of carboxylic acids: effect of substituents; comparison with phenols and alcohols

•        Reactions: with PCl5, SOCl2, NH3; esterification (Fischer); reduction; Hell-Volhard-Zelinsky

Chapter 13: Organic Compounds Containing Nitrogen

This chapter contributes two to three questions in NEET. Basicity of amines, reactions of amines with nitrous acid, and synthetic applications of diazonium salts are the key topics.

•        Classification, nomenclature, and structure of amines

•        Methods of preparation of amines: reduction of nitro compounds, nitriles, amides; Hofmann rearrangement

•        Physical properties: boiling point, basicity; comparison of basicity (aliphatic vs aromatic amines)

•        Chemical reactions of amines: with HCl, acylation, benzoylation, carbylamine reaction

•        Reactions with nitrous acid: primary, secondary, tertiary amines

•        Diazonium salts: preparation from primary amines

•        Reactions of diazonium salts: Sandmeyer reaction, Balz-Schiemann, coupling reactions

•        Cyanides and isocyanides: preparation and chemical reactions

Chapter 14: Biomolecules

Biomolecules is a high-weightage chapter with three to four questions in most NEET papers. The structure and functions of carbohydrates, proteins, nucleic acids, and enzymes are tested in depth from the NCERT text.

•        Carbohydrates: classification (mono, di, oligosaccharides, polysaccharides)

•        Monosaccharides: D-glucose, D-fructose — open chain and ring structures; reducing and non-reducing sugars

•        Disaccharides: sucrose, maltose, lactose — linkage and reducing nature

•        Polysaccharides: starch, cellulose, glycogen — structure and function

•        Proteins: amino acids — structure, classification, essential amino acids

•        Peptide bond formation; di, tri, polypeptides

•        Protein structure: primary, secondary (alpha-helix, beta-sheet), tertiary, quaternary

•        Denaturation and renaturation; enzymes — mechanism of action; enzyme inhibition

•        Nucleic acids: DNA (double helix; Watson-Crick model) and RNA (types and functions)

•        Vitamins: classification, sources, deficiency diseases

•        Hormones: definition; examples and their physiological roles

Chapter 15: Polymers

Polymers is a low-to-medium weightage chapter providing one to two reliable marks. Questions focus on classification, specific polymer examples (nylon, Bakelite), and their types (addition vs condensation).

•        Classification of polymers: natural and synthetic; linear, branched, cross-linked

•        Types of polymerisation: addition (chain growth) and condensation (step growth)

•        Natural rubber: structure; vulcanisation; synthetic rubber (neoprene, Buna-S, Buna-N)

•        Fibres: polyamide (nylon-6, nylon-6,6); polyester (Dacron); Orlon; Kevlar

•        Thermoplastic polymers: polythene, polystyrene, PVC, Teflon, Lucite

•        Thermosetting polymers: Bakelite, melamine-formaldehyde, urea-formaldehyde

•        Biodegradable polymers: PHBV; problems with non-biodegradable polymers

Chapter 16: Chemistry in Everyday Life

Chemistry in Everyday Life is a low-weightage chapter that can contribute one to two quick factual marks. Drug classification, antiseptics vs disinfectants, and detergent action are tested directly from NCERT.

•        Drugs: classification (analgesics, tranquilisers, antiseptics, disinfectants, antifertility, antihistamines, antimicrobials, antacids, antibiotic)

•        Drug-target interaction: receptors as drug targets

•        Therapeutic action of different classes of drugs

•        Chemicals in food: artificial sweeteners (saccharin, aspartame, alitame); food preservatives (sodium benzoate); antioxidants (BHA, BHT)

•        Soaps and detergents: structure; cleansing action; micelle formation; hard water and soap

•        Synthetic detergents: anionic, cationic, non-ionic detergents

NEET Chemistry Chapter-Wise Overview Table

The table below summarises all 30 chapters of the NEET 2026 Chemistry syllabus with their class, branch, approximate question weightage, and priority level.

NEET Chemistry: Important Named Reactions

Named reactions carry significant weight in the NEET Organic Chemistry section. Questions either ask for the product of a named reaction, the reagent used, or identify the name of a reaction from a given transformation. The following named reactions are the most frequently tested in NEET papers.

How to Prepare NEET Chemistry 2026: Branch-Wise Strategy

Chemistry is the most balanced section in NEET and rewards students who combine systematic NCERT reading with regular reaction practice. A well-prepared Chemistry student can reliably score 150 or above out of 180, which provides a strong competitive advantage in NEET.

Physical Chemistry: Daily Numerical Practice

Physical Chemistry contributes 14 to 18 questions to NEET Chemistry and is the most numerical branch. The core chapters are Electrochemistry, Solutions, Chemical Kinetics, and Equilibrium. For each chapter, first master all formulae and their derivations from NCERT, then solve at least 20 numerical problems from that chapter daily. Focus especially on Nernst equation calculations (Electrochemistry), colligative property calculations (Solutions), integrated rate law problems (Kinetics), and pH and Ksp problems (Equilibrium). The van't Hoff factor and its application to abnormal molar masses is a particularly reliable NEET question type.

Organic Chemistry: Mechanisms and NCERT Reactions

Organic Chemistry contributes the highest number of questions in Chemistry, with 16 to 20 questions in most NEET papers. The key insight for NEET Organic Chemistry is that NCERT reactions are sufficient for almost all questions. Rather than memorising reactions in isolation, students should understand the mechanism behind each reaction type (nucleophilic addition, electrophilic substitution, SN1, SN2) and then memorise the NCERT reaction examples. Aldehydes, Ketones and Carboxylic Acids and Organic Compounds Containing Nitrogen are the two highest-yielding chapters. The named reaction table above contains the most important reactions to memorise.

Inorganic Chemistry: NCERT Line by Line

Inorganic Chemistry contributes 12 to 16 questions in NEET Chemistry and is the most directly NCERT-dependent branch. Coordination Compounds and p-Block Elements (Class 12) are the highest-weightage Inorganic chapters. For Coordination Compounds, IUPAC nomenclature rules, crystal field theory d-orbital splitting diagrams, and isomerism types must be understood with clarity. For p-Block Elements, learn the structure and properties of important compounds (HNO3, H2SO4, ozone, interhalogen compounds, noble gas compounds) from NCERT. The key strategy for Inorganic Chemistry is to read the NCERT text for these chapters at least three times, making concise notes on facts, properties, and reactions.

Biomolecules and Coordination: Highest Biology-Chemistry Overlap

Biomolecules (Chapter 14 of Class 12 Chemistry) has significant overlap with the Biology syllabus. Students who have already studied DNA structure, protein structure, and enzyme function in Biology will find this chapter considerably easier. Investing time in this chapter therefore benefits both Chemistry and Biology preparation simultaneously. Similarly, coordination compounds with biological significance (haemoglobin, chlorophyll, vitamin B12, cisplatin) are tested in both Chemistry and Biology sections of NEET.

Last 3 Months: Revision-Dominated Strategy

In the final three months before NEET, Chemistry preparation should shift from learning to revision and MCQ practice. Solve five to ten previous year NEET Chemistry questions from a single chapter each day, identify patterns in which topics repeat year after year, and consolidate your notes for all 30 chapters. Pay special attention to chapters where a single NCERT diagram or table has generated multiple NEET questions over the years, such as the Ellingham diagram in Metallurgy, the crystal packing diagrams in Solid State, and the structure of nucleotides in Biomolecules.

Frequently Asked Questions: NEET Chemistry Syllabus 2026

How many chapters are in the NEET 2026 Chemistry syllabus?

The NEET 2026 Chemistry syllabus comprises 30 chapters in total: 14 chapters from Class 11 Chemistry (covering Physical, Organic, and Inorganic branches) and 16 chapters from Class 12 Chemistry. Together these 30 chapters form the complete scope of the NEET Chemistry examination.

Which is the highest-weightage chapter in NEET Chemistry?

Based on analysis of NEET papers from 2016 to 2024, Coordination Compounds (3-5%), Aldehydes, Ketones and Carboxylic Acids (3-5%), Biomolecules (3-4%), Chemical Bonding (3-4%), Equilibrium (3-4%), and p-Block Elements Class 12 (3-4%) consistently carry the highest question weightage in Chemistry. Together these six chapters typically account for 16 to 24 questions in a single NEET Chemistry section.

Is Organic or Inorganic Chemistry more important for NEET?

Both branches are important, but Organic Chemistry tends to contribute marginally more questions (16-20) compared to Inorganic Chemistry (12-16). However, Inorganic Chemistry questions are generally faster to answer (fact-based, one to two sentences from NCERT), while Organic Chemistry questions may require more time for mechanism analysis. The most efficient NEET strategy is to maximise Inorganic Chemistry accuracy (quick marks) while ensuring thorough Organic Chemistry coverage for the highest question count.

Is NCERT enough for NEET Chemistry?

Yes, NCERT is sufficient for approximately 85 to 90 percent of NEET Chemistry questions. For Inorganic Chemistry specifically, NCERT is essentially the only resource required. For Organic Chemistry, understanding reaction mechanisms from a reference book (such as Morrison Boyd for theory or MS Chauhan for MCQ practice) supplements NCERT effectively. For Physical Chemistry, additional numerical practice beyond NCERT solved examples is recommended for Electrochemistry, Solutions, and Kinetics.

How should I divide my time between Physical, Organic, and Inorganic Chemistry?

A recommended time allocation is approximately 35 percent of Chemistry preparation time on Organic Chemistry, 35 percent on Physical Chemistry, and 30 percent on Inorganic Chemistry. Adjust this based on your individual strengths: students who find calculations difficult should allocate more time to Physical Chemistry numericals, while students who struggle with mechanism understanding should invest more in Organic Chemistry conceptual clarity.

What are the most important named reactions for NEET Chemistry?

The most frequently tested named reactions in NEET are Aldol Condensation, Cannizzaro Reaction, Markovnikov's Rule (and anti-Markovnikov addition with peroxides), Sandmeyer Reaction, Reimer-Tiemann Reaction, Kolbe Reaction, Williamson Synthesis, Hofmann Rearrangement, Clemmensen Reduction, and Hell-Volhard-Zelinsky Reaction. Students should know the reagents, conditions, and products for each of these reactions as they appear in the NEET named reactions table above.

How many marks should I target in NEET Chemistry?

Students targeting MBBS in government medical colleges should aim for 140 to 160 marks out of 180 in Chemistry. Since Chemistry is the most consistent high-scoring section when adequately prepared, students who invest equal preparation time in all three branches regularly achieve 150 or above. Scoring 160 or above in Chemistry provides a significant cushion to accommodate lower scores in Physics.

Are there topics removed from the NEET Chemistry syllabus in 2026?

The NMC rationalised the NEET syllabus in 2024 to align more closely with the NCERT curriculum, removing several topics that were previously included but went beyond NCERT scope. Students should verify their study materials against the current official NMC syllabus available on nta.ac.in to ensure no preparation time is spent on excluded topics.