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NEET Chemistry Syllabus 2023: Chapterwise Weightage and Topics


NEET Chemistry Syllabus 2023: National Eligibility Entrance Test, known as NEET, is a qualifying exam through which students can take admissions in medical courses like MBBS and BDS in several medical and dental colleges in India. NEET is conducted by National Test Agency (NTA).

A candidate must pass Physics, Chemistry, and Biology/Biotechnology as their compulsory subjects in classes11th and 12th to be eligible for NEET 2023. Knowing the syllabus quite in advance of every subject helps students prepare well for the NEET exam. Students must thoroughly download the NEET Chemistry syllabus to prepare for the NEET 2023 exam and score good marks. NEET Chemistry syllabus contains topics after considering various state boards, like CBSE, NIOS, COBSE and ICSE. Therefore, all the candidates must check the syllabus, which chapters hold more weightage from the NEET 2023 Chemistry syllabus in the NEET 2023 exam.

Watch: NEET 2023 Chemistry Important Chapters

NEET Chemistry syllabus 2023 – Class-wise

NEET Chemistry syllabus contains chapters from both classes 11 and 12 Chemistry. The list of chapters from class 11th and class 12th are listed below:

Class 11th Syllabus Class 12th Syllabus
Some basic concepts of Chemistry Solid state
Structure of atom Solutions
Classification of Elements and Periodicity in Properties Electrochemistry
Chemical Bonding and Molecular structure Chemical Kinetics
States of Matter: Gases and liquids Surface Chemistry
Thermodynamics General principles and Processes of Isolation of Elements
Equilibrium P block elements
Redox reactions D and F block elements
Hydrogen Coordination compounds
s-Block elements (Alkali and Alkaline earth metals) Haloalkanes and Haloarenes
Organic Chemistry – Some basic principles and techniques Aldehydes, Ketones and Carboxylic Acids
Hydrocarbons Organic compounds containing Nitrogen
Environmental chemistry Biomolecules, Polymers, and Chemistry in everyday life

NEET Chemistry syllabus 2023 – Chapter-wise

NEET Chemistry 2023 syllabus is divided according to the chapters. The candidates must prepare specific topics of the chapters from class 11th and 12th Chemistry for their preparation. The list of topics according to the chapters are listed below:

Class 11th chapter-wise NEET Chemistry syllabus

Unit 1 – Some basic concepts of Chemistry
General Introduction – Importance and Scope of chemistry Laws of chemical combination, Dalton’s atomic theory Atomic and molecular masses. Mole concept and molar mass, stoichiometry

Unit 2 – Structure of Atom
Atomic number, isotopes and isobars, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, shapes of s,p, and d orbitals, Aufbau principle, Pauli exclusion principles and Hund’s rule, electronic configuration of atoms

Unit 3 – Classification of elements and periodicity in properties
Modern periodic law and long term form of periodic table, periodic trends in properties of elements

Unit 4 – Chemical Bonding and molecular structure
Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, valence bond theory, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, hydrogen bond

Unit 5 – States of matter – Gases and Liquids
Three states of matter, Boyle’s law, Charle’s Law, Gay Lussac’s law, Avogadro’s law, ideal behaviour of gases, Avogadro number, ideal gas equation. Kinetic energy and molecular speeds(elementary idea) Liquid state – Vapour pressure, viscosity and surface tension

Unit 6 – Thermodynamics
First law of thermodynamics, Hess’s law of constant heat summation, enthalpy of: bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution Introduction of entropy as state function, Second law of thermodynamics, Gibbs energy for spontaneous and non-spontaneous process, criteria for equilibrium and spontaneity. Third law of thermodynamics

Unit 7 – Equilibrium
Equilibrium in Physical and chemical processes, law of chemical equilibrium, equilibrium constant, Le Chatelier’s principle, ionic equilibrium, hydrolysis of salts, buffer solutions, Henderson equation, solubility product, common ion effect

Unit 8 – Redox reactions
Concept of oxidation and oxidation and reduction, redox reactions oxidation number

Unit 9 – Hydrogen
Occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic, covalent and interstitial, heavy water; hydrogen peroxide-preparation

Unit 10 – s-Block elements(Alkali and alkaline earth metals)
Group 1 and group 2 elements: Electronic configuration, occurrence, anomalous properties of the first element of each group, preparation and properties of some important compounds Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogen carbonate, industrial use of lime and limestone, biological importance of Mg and Ca

Unit 11 – Some p-block elements
General introduction to p-Block elements Group 13 elements: Electronic configuration, occurrence, variation of properties, oxidation of states, trends in chemical reactivity, important compounds: borax, boric acids, boron hydrides, aluminium General 14 elements: Electronic configuration, occurrence, variation of properties, oxidation of states, trends in chemical reactivity, anomalous behaviour of first element, carbon Important compounds of silicon

Unit 12 – Organic Chemistry- Some Basic Principles and Techniques
Methods of purification qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds, electronic displacements in a covalent bond, homolytic and heterolytic fission of a covalent bond

Unit 13 – Hydrocarbons
Alkanes, alkenes, alkynes, aromatic hydrocarbons

Unit 14 – Environmental Chemistry
Environmental pollution – Air, water and soil pollution

Class 12th chapter-wise NEET Chemistry syllabus

Unit 1 – Solid state
Classification of solids based on different binding forces; band theory of metals, conductors, semiconductors and insulators

Unit 2 – Solutions
Types of solutions, expression of concentration of solutions of solids in liquids, the solubility of gases in liquids, solid solutions, colligative properties

Unit 3 – Electrochemistry
Redox reactions, conductance in electrolytic solutions, specific and molar conductivity variation of conductivity with concentration, lead accumulator, EMF of a cell, standard electrode potential, relation between Gibbs energy change and EMF of a cell, fuel cells; corrosion

Unit 4 – Chemical Kinetics
Rate of a reaction(average and instantaneous), factors affecting rates of reaction; concentration, temperature, catalyst; order and molecularity of a reaction; rate law and specific rate constant, activation energy, Arrhenius equation

Unit 5 – Surface Chemistry
Adsorption, distinction between true solutions, colloids and suspensions; lyophilic, lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsions

Unit 6 – General principles and processes of isolation of elements
Principles and methods of extraction – concentration, oxidation, reduction electrolytic methods and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron

Unit 7 – p-Block elements
Group 15 elements, Group 16 elements, Group 17 elements, Group 18 elements

Unit 8 – d and f Block elements
General introduction, electronic configuration, characteristics of transition metals, general trends in properties of the first row transition metals, preparation and properties of K2Cr2O7 and KMnO4, lanthanide, actinides

Unit 9 – Coordination Compounds
Coordination compounds – Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds, isomerism (structural and stereo) bonding, Werner’s theory VBT,CFT; importance of coordination compounds

Unit 10 – Haloalkanes and Haloarenes
Haloalkanes, haloarenes, dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT - Nomenclature, methods of preparation, physical and chemical properties

Unit 11 – Alcohols, Phenols and Ethers
Alcohols – Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only); identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special reference to methanol and ethanol, phenol, ethers

Unit 12 – Aldehydes, ketones and carboxylic acids
Aldehydes and ketones, carboxylic acids - Nomenclature, methods of preparation, physical and chemical properties

Unit 13 – Organic compounds containing Nitrogen
Amines – nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary secondary and tertiary amines, cyanides and isocyanides, diazonium salts

Unit 14 – Biomolecules
Carbohydrates – Classification (aldoses and ketoses), monosaccharide (glucose and fructose), D.L. configuration, oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen): importance, proteins, hormones, vitamins, nucleic acids – DNA and RNA

Unit 15 – Polymers
Classification – natural and synthetic, methods of polymerization (addition and condensation), copolymerization. Some important polymers: natural and synthetic like polyesters, Bakelite; rubber, biodegradable and non-biodegradable polymers

Unit 16 – Chemistry in Everyday life
Chemicals in medicines, chemicals in food – preservatives, artificial sweetening agents, elementary idea of antioxidants, cleansing agents

NEET 2023 Chemistry Chapterwise Weightage

Class Chemistry Section Weightage (approximate)
11 Inorganic Chemistry 13%
Organic Chemistry 11%
Physical Chemistry 22%
12 Inorganic Chemistry 16%
Organic Chemistry 22%
Physical Chemistry 16%


No. of Questions asked in Chemistry in last 12 years


Chapter Name

Grand Total


Chemical Bonding and Molecular Structure









Organic Chemistry : Some Basic Principles and Techniques



The p-Block Elements (Group 15-18)



Coordination Compounds



Aldehydes, Ketones and Carboxylic Acids






Structure of Atom



The d and f-Block Elements






Chemical Kinetics



The s-Block Elements



Alcohols, Phenols and Ethers






States of Matter






The Solid State



Some Basic Concepts of Chemistry



The p -Block Elements (Group 13 & 14)






Surface Chemistry






Redox Reactions



General Principles and Processes of Isolation of Elements



Haloalkanes and Haloarenes



Chemistry in Everyday Life



Classification of Elements and Periodicity in Properties



Environmental Chemistry






NEET Chemistry Important Topics
As per the NEET 2023 Syllabus released by the National Testing Agency (NTA), Physical Chemistry, Organic Chemistry, and Inorganic Chemistry are the three important sections on which students need to focus more. Most of the students who appeared for the NEET exams in the past have said that Chemistry is the most scoring section compared to NEET Physics and NEET Biology. As per the NEET exam pattern, out of a total of 720 marks (180 questions), the Chemistry section comprises 180 marks (45 Questions). Therefore, students are advised to prepare well for the NEET Chemistry section to ace their exams. Here are some of the important concepts and topics you should focus on

Laws of Chemical Combination Atomic Number and Mass Number Hunds Rule
Difference Between Molecules and Compounds Atomic Number and Mass Number Isotopes and Isobars Periodic Classification of Elements
Difference Between Atom and Molecule Electron Configuration Modern Periodic Table and Its Significance
Mole Concept Aufbau Principle Pauli S Exclusion Principle Hund S Rule Difference Between Sigma Bond and Pi Bond
118 Element Their Symbols and Atomic Numbers Aufbau Principle Lewis Dot Structure
Valence Bond Theory Gay Lussac Law Homogeneous Equilibrium
Hybridization Heat Capacity Cp Cv Relation Heterogeneous Equilibrium
Charle S Law Enthalpy Change Reducing Agents
Oxidation and Reduction    


NEET 2023 Related Links

NEET Chemistry Paper Analysis 2023

NEET Physics Paper Analysis 2023

NEET 2023 Cut Off

NEET Biology Paper Analysis 2023

NEET Preparation

NEET Rank Predictor 2023

NEET 2023 Paper Analysis 

NEET Dress Code

NEET 2023 Counselling

Frequently Asked Questions on NEET Chemistry syllabus

Ques 1: What is the weightage of class 11th and class 12th syllabus in NEET Chemistry syllabus?
There is no such specific number to denote the weightage of class 11th and class 12th NEET Chemistry syllabus. According to some subject experts, class 12th holds a slightly higher weightage than class 11th.

Ques 2: Is it necessary to give mock tests before appearing for the NEET exam?
Mock tests are very helpful to score outstanding marks in NEET 2023. Students must give mock tests like a real exam. This will speed up the accuracy and concepts and help manage the time while taking the real NEET exam.

Ques 3: Which books are the best to prepare for the NEET Chemistry syllabus?
NCERT books contain all the topics and concepts that are important for the NEET 2023 exam. Therefore, students must thoroughly go through chapters and revise every concept before the NEET exam.

Ques 4: Can we skip some topics from the NEET Chemistry syllabus?
No, students must not leave any topic from the NEET Chemistry syllabus to score good marks. Instead, prepare all the topics according to the NEET syllabus for every subject.

Ques 5: How are NEET mock tests beneficial for the NEET exam?
Mock tests are very helpful to score outstanding marks in NEET 2023. Students must give mock tests like a real exam. This will speed up the accuracy and concepts and help manage the time while taking the real NEET exam.

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