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NEET Chemistry Syllabus 2023: Check Weightage of Important Topics, and Best Books for Preparation

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Sachin Gupta

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NEET Chemistry syllabus 2023 is based on the syllabus of subjects studied in Class 11 and 12. Last year no changes were made in the syllabus and this year also, the syllabus is expected to remain the same. NEET Chemistry syllabus covers a total of 14 & 16 units from class 11 and 12 respectively. For better understanding of chemistry syllabus, candidates are advised to divide the syllabus into Physical, Organic and Inorganic Chemistry. Read How to Prepare for NEET Chemistry?

In NEET 2023, a total of 50 questions will be asked from NEET Chemistry Syllabus. Candidates will have to attempt a total of 45 sections, 35 from section A and any 10 from section B. Some of the important topics from NEET Chemistry Syllabus based on previous year question papers analysis are Chemical Bonding, p-block, Coordination Compounds etc. Download NEET Previous Year Question Papers

Before appearing in the entrance exam, candidates must be aware of all the units of the chemistry syllabus. In this article, details on chapter-wise NEET Chemistry Syllabus 2023 on the basis of 10+2 level are mentioned. Along with the topics, we included some other sections like weightage of questions, difficulty level of the topics and so on. Check NEET Chemistry Exam Pattern

 
NEET Chemistry Syllabus Highlights

NEET Chemistry Syllabus 2023 Highlights

Total weightage 25% of NEET Syllabus
Subcategory Physical, Organic, and Inorganic Chemistry
Number of questions asked Section A: 35, Section B: 15 (attempt only 10 from sec B)
Marks allotted for each question 4 marks for correct answer
Negative marking 1 marks will be reduced for wrong answer
Total marks for Biology 180 out of 720 marks

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NEET Chemistry Syllabus: Class XI

NEET Chemistry Syllabus 2023: Class XI

In the below section, unit and topic wise NEET Chemistry Syllabus for class 11 are tabulated.

Unit 1

Topic Sub-topics
Some Basic Concepts of Chemistry
  • General Introduction: Important and scope of chemistry.
  • Laws of chemical combination, Dalton’s atomic theory: concept of elements, atoms and molecules.
  • Atomic and molecular masses. Mole concept and molar mass; percentage composition and empirical and molecular formula; chemical reactions, stoichiometry and calculations based on stoichiometry.

Unit 2

Topic Sub-topics
Structure of Atom
  • Atomic number, isotopes and isobars. Concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbital, quantum numbers, shapes of s,p and d orbitals, rules for filling electrons in orbitals- Aufbau principle, Pauli exclusion principles and Hund’s rule, electronic configuration of atoms, stability of half filled and completely filled orbitals.

Unit 3

Topic Sub-topics
Classification of Elements and Periodicity in Properties
  • Modern periodic law and long form of periodic table, periodic trends in properties of elementsatomic radii, ionic radii, ionization enthalpy, electron gain enthalpy, electrone gativity, valence.

Unit 4

Topic Sub-topics
Chemical Bonding and Molecular Structure
  • Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, valence bond theory, resonance, geometry of molecules, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only). Hydrogen bond.

Unit 5

Topic Sub-topics
States of Matter: Gases and Liquids
  • Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws of elucidating the concept of the molecule, Boyle’s law, Charle’s law, Gay Lussac’s law, Avogadro’s law, ideal behaviour of gases, empirical derivation of gas equation. Avogadro number, ideal gas equation. Kinetic energy and molecular speeds (elementary idea), deviation from ideal behaviour, liquefaction of gases, critical temperature.
  • Liquid State- Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).

Unit 6

Topic Sub-topics
Thermodynamics
  • First law of thermodynamics-internal energy and enthalpy, heat capacity and specific heat, measurement of U and H, 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 change for spontaneous and non-spontaneous process, criteria for equilibrium and spontaneity. • Third law of thermodynamics- Brief introduction.

Unit 7

Topic Sub-topics
Equilibrium
  • Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of chemical equilibrium, equilibrium constant, factors affecting equilibrium- Le Chatelier’s principle; ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of polybasic acids, acid strength, concept of pH., Hydrolysis of salts (elementary idea)., buffer solutions, Henderson equation, solubility product, common ion effect (with illustrative examples).

Unit 8

Topic Sub-topics
Redox Reactions
  • Concept of oxidation and oxidation and reduction, redox reactions oxidation number, balancing redox reactions in terms of loss and gain of electron and change in oxidation numbers.

Unit 9

Topic Sub-topics
Hydrogen
  • Occurrence, isotopes, preparation, properties and uses of hydrogen; hydridesionic, covalent and interstitial; physical and chemical properties of water, heavy water; hydrogen peroxide-preparation, reactions, uses and structure.

Unit 10

Topic Sub-topics
s-Block Elements (Alkali and Alkaline earth metals)
  • Group I and group 2 elements:
  • General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens; uses.
  • Preparation and Properties of Some important Compounds:
  • Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogencarbonate, biological importance of sodium and potassium.
  • Industrial use of lime and limestone, biological importance of Mg and Ca.

Unit 11

Topic Sub-topics
Some p-Block Elements
  • General Introduction to p-Block Elements.
  • Group 13 elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group; Boron, some important compounds: borax, boric acids, boron hydrides. Aluminium: uses, reactions with acids and alkalies.
  • General 14 elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first element. Carbon, allotropic forms, physical and chemical properties: uses of some important compounds: oxides.
  • Important compounds of silicon and a few uses: silicon tetrachloride, silicones, silicates and zeolites, their uses.

Unit 12

Topic Sub-topics
Organic Chemistry- Some Basic Principles and Techniques
  • General introduction, methods of purification qualitative and quantitative analysis, classification and IUPAC nomenclature of organic compounds.
  • Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyper conjugation.
  • Homolytic and heterolytic fission of a covalent bond: free radials, carbocations, carbanions; electrophiles and nucleophiles, types of organic reactions.

Unit 13

Topic Sub-topics
Hydrocarbons
  • Alkanes- Nomenclature, isomerism, conformations (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis.
  • Alkanes-Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation: chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.
  • Alkynes-Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of- hydrogen, halogens, hydrogen halides and water.
  • Aromatic hydrocarbons- Introduction, IUPAC nomenclature; Benzene; resonance, aromaticity; chemical properties: mechanism of electrophilic substitution-Nitration sulphonation, halogenation, Friedel Craft’s alkylation and acylation; directive influence of functional group in mono-substituted benzene; carcinogenicity and toxicity.

Unit 14

Topic Sub-topics
Environmental Chemistry
  • Environmental pollution: Air, water and soil pollution, chemical reactions in atmosphere, smogs, major atmospheric pollutants; acid rain ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming-pollution due to industrial wastes; green chemistry as an alternative tool for reducing pollution, strategy for control of environmental pollution.

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NEET Chemistry Syllabus: Class XII

NEET Chemistry Syllabus 2023: Class XII

Unit and topic wise NEET Chemistry Syllabus for the class 12 are given below in a table format.

Unit 1

Topic Sub-topics
Solid State
  • Classification of solids based on different binding forces; molecular, ionic covalent and metallic solids, amorphous and crystalline solids (elementary idea), unit cell in two dimensional and three dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties, Band theory of metals, conductors, semiconductors and insulators.

Unit 2

Topic Sub-topics
Solutions
  • Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, colligative properties- relative lowering of vapour pressure, Raoult’s law, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties abnormal molecular mass. Van Hoff factor.

Unit 3

Topic Sub-topics
Electrochemistry
  • Redox reactions, conductance in electrolytic solutions, specific and molar conductivity variation of conductivity with concentration, kohlrausch’s Law, electrolysis and Laws of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic cells; lead accumulator, EMF of a cell, standard electrode potential, Relation between Gibbs energy change and EMF of a cell, fuel cells; corrosion

Unit 4

Topic Sub-topics
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, integrated rate equations and half life (only for zero and first order reactions); concept of collision theory ( elementary idea, no mathematical treatment). Activation energy, Arrhenious equation

Unit 5

Topic Sub-topics
Surface Chemistry
  • Adsorption-physisorption and chemisorption; factors affecting adsorption of gases on solids, catalysis homogeneous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: distinction between true solutions, colloids and suspensions; lyophillic, lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsions- types of emulsions

Unit 6

Topic Sub-topics
General Principles and Processes of Isolation of Elements
  • Principles and methods of extraction- concentration, oxidation, reduction electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron

Unit 7

Topic Sub-topics
p- Block Elements
  • Group 15 elements: General introduction, electronic configuration, occurrence, oxidation states, trends in physical and chemical properties; preparation and properties of ammonia and nitric acid, oxides of nitrogen (structure only); Phosphorous- allotropic forms; compounds of phosphorous: preparation and properties of phosphine, halides (PCI3, PCI5) and oxoacids (elementary idea only)
  • Group 16 elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; dioxygen: preparation, properties and uses; classification of oxides; ozone. Sulphur – allotropic forms; compounds of sulphur: preparation, preparation, properties and uses of sulphur dioxide; sulphuric acid: industrial process of manufacture, properties and uses, oxoacids of sulphur (structures only)
  • Group 17 elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; compounds of halogens: preparation, properties and uses of chlorine and hydrochloric acid, interhalogen compounds oxoacids of halogens (structures only)
  • Group 18 elements: General introduction, electronic configuration, occurrence, trends in physical and chemical properties, uses

Unit 8

Topic Sub-topics
d and f Block Elements
  • General introduction, electronic configuration, characteristics of transition metals, general trends in properties of the first row transition metals- metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation. Preparation and properties of K2Cr2O7 and KMnO4
  • Lanthanoids- electronic configuration, oxidation states, chemical reactivity, and lanthanoid contraction and its consequences
  • Actinoids: Electronic configuration, oxidation states and comparison with lanthanoids

Unit 9

Topic Sub-topics
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 (in qualitative analysis, biological systems)

Unit 10

Topic Sub-topics
Haloalkanes and Haloarenes
  • Haloalkanes: Nomenclature, nature of C –X bond, physical and chemical properties, mechanism of substitution reactions. Optical rotation
  • Haloarenes: Nature of C-X bond, substitution reactions (directive influence of halogen for monosubstituted compounds only) Uses and environment effects of – dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT

Unit 11

Topic Sub-topics
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
  • Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols
  • Ethers: Nomenclature, methods of preparation, physical and chemical properties uses

Unit 12

Topic Sub-topics
Aldehydes, Ketones and Carboxylic Acids
  • Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties; and mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes; uses
  • Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses

Unit 13

Topic Sub-topics
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- will be mentioned at relevant places.
  • Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.

Unit 14

Topic Sub-topics
Biomolecules
  • Carbohydrates- Classification (aldoses and ketoses), monosaccharide (glucose and fructose), D.L. configuration, oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen): importance.
  • Proteins- Elementary idea of – amino acids, peptide bond, polypeptides, proteins, primary structure, secondary structure, tertiary structure and quaternary structure (qualitative idea only), denaturation of proteins; enzymes.
  • Hormones- Elementary idea (excluding structure).
  • Vitamins- Classification and function.
  • Nucleic Acids: DNA and RNA

Unit 15

Topic Sub-topics
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

Topic Sub-topics
Chemistry in Everyday Life
  • Chemicals in medicines- analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines.
  • Chemicals in food- preservatives, artificial sweetening agents, elementary idea of antioxidants.
  • Cleansing agents- soaps and detergents, cleansing action.
NEET Chemistry Syllabus: Study Notes

NEET Chemistry Syllabus 2023: Study Notes

NEET Chemistry Syllabus - Weightage of Important Topics

In NEET 2023, the question paper will contain 50 questions in total. The Chemistry question paper contains 3 sections such as organic, inorganic and physical chemistry. The three papers carry the same weightage. In the below table, topic wise weightage are mentioned.

Inorganic Chemistry: Some of the most important topics of the section of inorganic chemistry are Hydrogen elements, p, d, and f block elements, Periodic table, Periodicity, etc. The overall weightage of all the questions is approx. 34%.

Topic Number of Questions
Chemical Bonding 4
p-block 3
Coordination Compounds 3
Periodic Table & Periodicity in Properties 2
d-block & f-block Elements 2
Hydrogen 1
s-block 1
Metallurgy 1
Qualitative Analysis 1

Organic Chemistry: Organic chemistry can be defined as a unit of the subject chemistry that includes the structure, properties and reactions of all the organic compounds. Some of the most important topics from this section are Hydrocarbons, Haloalkane, etc. The overall weightage of objective type questions framed from organic chemistry is around 34%. A tabular format for topic wise number of questions from the previous year are given below.

Topic Number of Questions
Aromatic Compounds 3
IUPAC & Isomerism 2
Chemistry in Everyday Life 2
Organic Compounds containing nitrogen 2
Carbonyl Compounds 2
Biomolecules 2
Alkyl Halide, Alcohol & Ether 2
Aldehydes, Ketones and Carboxylic Acids 2
Hydrocarbons 2
General Organic Chemistry 2
Haloalkane & Polymer 2
Environmental chemistry & Practical Organic Chemistry 2

Physical Chemistry: Physical chemistry contains the concept of macroscopic objects, the basics of physics such as energy, motion, force, time, etc. From this section, some of the most important topics are Ionic Equilibrium, Chemical Kinetics, Solutions, etc. The overall weightage of all the questions framed from this section is 32%.

Topic Number of Questions
Ionic Equilibrium 2
Mole Concept 2
Chemical Kinetics 2
Solution & Colligative Properties 2
Surface Chemistry 1
Solid State 1
Electrochemistry 1
Thermodynamics and Thermochemistry 1
Gaseous State 1
Redox Reactions 1
Atomic Structure & Nuclear Chemistry 1
Chemical Equilibrium 1

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Best Books for NEET Chemistry Syllabus

Best Books for NEET Chemistry Syllabus

To prepare for the entrance exam, candidates need to go through NCERT books of 10+2 level that are considered as the best source for the preparation of the examination. In the section below, some books are recommended in a table.

Author/Publisher Book
O.P. Tandon Physical Chemistry, Organic Chemistry and Inorganic Chemistry
Seema Saini and K.S. Saini Bull’s Eye Chemistry NEET Edition 2020
Sudhanshu Thakur 40 Days Chemistry for NEET
R.K. Gupta Objective Chemistry for NEET Vol. 1&2
Morrison and Boyd Organic Chemistry

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Preparation Tips for NEET Chemistry Paper

Preparation Tips for NEET Chemistry Paper

If we go through the paper analysis of previous year NEET chemistry papers then most of the test takers rated the subject to be easy in terms of difficulty. To get a high score in NEET 2023, candidates need to prepare for 3 sections such as Organic, Inorganic and Physical Chemistry. In the below section, some tips for the preparation of NEET Chemistry 2023 are given.

Tip 1: Practice Papers and Mock Tests:

  • By giving mock tests and practicing the questions from the previous year's paper, one can accelerate the speed and also can improve the accuracy level.
  • It is advised to all candidates to concentrate on the authenticity and also on the speed.
  • Through the mock test one can analyse their performance and also point out their strengths and flaws.

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Tip 2: Preparing Notes for Revision:

  • Candidates should prepare handwritten notes for revision.
  • Candidates must revise all the topics for a long span of time.
  • It is important for all candidates to take note of all the important formulas and do revise daily.

Tip 3: Managing your Time:

    • For this paper, candidates need to make a study plan in advance and follow this accordingly. Candidates always need to focus on their preparations.
    • In the time table, candidates need to include their break times.
  • Candidates are required to plan their monthly or weekly goals to complete the entire syllabus within a time frame. For instance, one needs to divide 8 topics into 2 topics a week. But to meet the goal one needs to stick to the time table.

Tip 4: Divide syllabus based on Difficulty Level:

Based on the difficulty level or the total number of questions for a specific section, candidates should divide the topic or the section accordingly.

  • High Priority Topics - Around 20 to 25 questions can be asked from these topics: General Organic Chemistry, Hydrocarbons, Alcohol, Aldehyde, Amines, Periodic Table, Metallurgy, Hydrogen, s, p, d, f-block, Surface Chemistry.
  • Medium Importance - Around 10 to 15 questions can be asked from these topics: Chemistry in everyday life, Environmental chemistry, Polymers, Some basic concepts, Solid states, Coordination.
  • A Few Questions - Around 1 to 5 questions can be asked from these topics: Thermodynamics, Chemical kinetics, Equilibrium, States of matter, Electrochemistry, Solution.

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NEET Chemistry Syllabus FAQs

NEET Chemistry Syllabus 2023 FAQs

Question: What are the changes in NEET Chemistry Syllabus 2023?

Ans. As per the official notification released by NTA, no changes for NEET Chemistry Syllabus 2023 have been made so far. It is advised to all candidates to browse through the entire syllabus.

Question: Is it required to give both importance and time to NEET Chemistry Syllabus of class 11?

Ans. All candidates are required to give equal importance and time for the preparation of NEET Chemistry Syllabus 2022 in class 11 and class 12 level. Every year, the total number of questions and weightage of the topic from class 11 and 12 varies. On the basis of the paper analysis of the previous year’s question paper, equal weightage is given to the syllabus of both the classes.

Question: What weightage does the chemistry paper carry in NEET 2023?

Ans. In NEET 2023, candidates need to mark a total of 45 questions in the chemistry paper. For every correct answer, candidates will be awarded 4 marks. On the other side, 1 mark will be deducted for each incorrect answer. The entrance test will be conducted through the offline mode. And the exam must be completed within 3 hours.

Question: What book do I need to follow for the preparation of the chemistry syllabus for NEET 2023?

Ans. Though the NCERT books of 10+2 level are one of the good sources for the preparation of the entrance exam, some books are mentioned below.

  • Physical Chemistry, Organic Chemistry and Inorganic Chemistry - By O.P Tandon
  • 40 Days Chemistry for NEET - By Sudhanshu Thakur

Question: What is the distribution of NEET Chemistry Syllabus 2023?

Ans. Based on the NEET Chemistry Syllabus of 11 and 12 level, a total of 14 units from class 11 and a total of 16 units from class 12 must be covered for the preparation of NEET 2023.

Question: As per the notification, CBSE board and some other state boards have relaxed the syllabus 10+2 level. Is there any chance for the reduction of NEET Chemistry Syllabus 2023?

Ans. No, NEET Chemistry Syllabus will not be reduced by the authorised body. As per the official notification by MoE the chemistry syllabus of NEET 2023 will remain the same.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.

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