NEET 2021 Chemistry paper analysis
NEET 2021 had 50 Chemistry questions tagged by Edurack, 23% of the 218 tagged questions in the paper. They came from 26 of the 31 Chemistry chapters.
The chapters that asked the most were Aldehydes, Ketones and Carboxylic Acids (4), Hydrocarbons (4), Amines (3).
That is 11 questions fewer than NEET 2020 (61).
Across the 8 papers in 2020–2026, Chemistry ranged from 45 to 61 questions, and this paper ranks #3 of 8 by Chemistry count.
Questions
50
Chemistry in NEET 2021
Share of paper
23%
of 218 tagged questions
Chapters asked
26/31
5 had no question
vs NEET 2020
-11
61 then, 50 now
Chemistry chapters and topics asked in NEET 2021
Chapters are ranked by questions in this paper. Under each chapter are the topics that were asked; “new” marks a topic with no question in any earlier paper.
Aldehydes (Methods of Preparation) · Chemical Reactions of Aldehydes and Ketones (Addition of Grignard… · Miscellaneous/Mixed Reactions new · Chemical Reactions of Aldehydes and Ketones (Oxidation and Reduction… new
General Characteristics of Alkenes (Chemical Properties) · Preparation of Alkanes · Preparation of Alkenes (Preparation Methods) · Alkanes (Conformations) new
Chemical Reactions (Basic Character of Amines) new · Diazonium Salts (Chemical Reactions) new · Chemical Reactions (Reaction with Aryl Sulphonyl Chloride) new
Valence Shell Electron Pair Repulsion (VSEPR) Theory (Postulates,… new · Dipole Moment (Applications of Dipole moment) · Hybridisation (Types of Hybridization by Using and Orbitals) new
Applications of Radioactivity (In Industries) new · Temperature Dependence of the Rate of Reaction (Arrhenius Equation) new
Magnetism new · Chelation and Denticity new
Kohlrausch's Law new · Measurement of Conductance and Conductivity of Ionic Solutions new
Acids, Bases and Salts (Arrhenius concept of Acids and Bases) ×2 new
Extraction of Iron · Electrochemical Principles of Metallurgy (Extraction of Aluminium… new
Chemical Properties new · Nature of C-X Bond new
Nomenclature of Organic Compounds (I.U.P.A.C System of Nomenclature) new · Types of Isomerism (Structural Isomerism, Stereoisomerism) new
Colligative Properties (Osmosis and Osmotic Pressure) new · Vapour Pressure of Liquid Solutions (Vapour Pressure of… new
Ideal Gas Equation new · The Gas Laws (Boyle's Law (Pressure-Volume Relationship)) new
Bohr's Model for Hydrogen Atom (Energy of Electron) new · Isoelectronic Species new
Some Applications of and f-Block Elements · General Characteristics and Comparison with Lanthanides (General… new
Group - 2 Elements: Alkaline Earth Metals (Chemical Properties) · Group - 2 Elements: Alkaline Earth Metals (Anomalous Behaviour of… new
Voids new · Crystal Lattice or Space Lattice new
Change in Thermodynamics Properties in Expansion or Contraction of Gas · Relationship Between Cp and Cv (Relationship Between Heat of… new
Vitamins (Important Vitamins, their Sources and the Diseases…) new
Drugs and their Classification (On the Basis of Pharmacological… new
Gaseous Air Pollutants (Oxides of Sulphur) new
Types of Polymerisation Reactions (Addition Polymerisation or Chain… new
Types of Redox Reactions (Displacement Reactions) new
Empirical and Molecular formula new
Colloids (Application of Colloids) new
Group 18 Elements (Occurrence) new
What changed from NEET 2020
- Biggest rise: Amines went from 1 to 3 questions.
- Biggest drop: The p-Block Elements went from 6 to 0 questions.
Chemistry topics asked for the first time in NEET 2021
- 1Acids, Bases and Salts (Arrhenius concept of Acids and Bases) · Equilibrium · Chemistry2 Qs
- 2Miscellaneous/Mixed Reactions · Aldehydes, Ketones and Carboxylic Acids · Chemistry1 Qs
- 3Chemical Reactions of Aldehydes and Ketones (Oxidation and Reduction of… · Aldehydes, Ketones and Carboxylic Acids · Chemistry1 Qs
- 4Alkanes (Conformations) · Hydrocarbons · Chemistry1 Qs
- 5Chemical Reactions (Basic Character of Amines) · Amines · Chemistry1 Qs
- 6Diazonium Salts (Chemical Reactions) · Amines · Chemistry1 Qs
- 7Chemical Reactions (Reaction with Aryl Sulphonyl Chloride) · Amines · Chemistry1 Qs
- 8Valence Shell Electron Pair Repulsion (VSEPR) Theory (Postulates, Applications… · Chemical Bonding and Molecular Structure · Chemistry1 Qs
- 9Hybridisation (Types of Hybridization by Using and Orbitals) · Chemical Bonding and Molecular Structure · Chemistry1 Qs
- 10Applications of Radioactivity (In Industries) · Chemical Kinetics · Chemistry1 Qs
Chemistry chapters with no question in NEET 2021
Alcohols, Phenols and Ethers, Classification of Elements and Periodicity in Properties, The p-Block Elements, Hydrogen, Principles of Qualitative Analysis
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Chemistry across the 8 papers
NEET 2021 in the other subjects
Frequently asked questions
How many Chemistry questions were in NEET 2021?
Edurack tagged 50 Chemistry questions from NEET 2021, 23% of the 218 tagged questions in that paper.
Which Chemistry chapter had the most questions in NEET 2021?
Aldehydes, Ketones and Carboxylic Acids and Hydrocarbons had the most, with 4 questions each.
Which Chemistry chapters were not asked in NEET 2021?
5 of the 31 Chemistry chapters had no question, including Alcohols, Phenols and Ethers, Classification of Elements and Periodicity in Properties, The p-Block Elements, Hydrogen, Principles of Qualitative Analysis.
Which Chemistry topics were new in NEET 2021?
Topics with no question in any earlier paper included Acids, Bases and Salts, Miscellaneous/Mixed Reactions, Chemical Reactions of Aldehydes and Ketones.
How did Chemistry change from NEET 2020 to NEET 2021?
Amines rose from 1 to 3, while The p-Block Elements fell from 6 to 0.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask. Counts cover 2020–2026.