NEET 2020 Chemistry paper analysis

Chemistry chapters and topics asked in NEET 2020

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.

• The p-Block Elements

  6

  Compounds of Carbon (Carbon Monoxide) ×2 · Allotropes of Carbon and Uses (Amorphous Form) · Aluminium Compounds · Some Important Compounds of Aluminium (Aluminium Oxide or Alumina,… · Some Important Compounds of Boron (Boron Halide)

• The d and f-Block Elements

  5

  Some Applications of and f-Block Elements · The Inner Transition Elements · General Properties of Transition Elements (D-Block) (Alloy Formation) · General Properties of Transition Elements (D-Block) (Catalytic… · General Properties of Transition Elements (D-Block) (Trends in the…

• The s-Block Elements

  4

  Group - 2 Elements: Alkaline Earth Metals (Chemical Properties) ×2 · Alkali Metal (Chemical Properties) · Biological Importance of Magnesium and Calcium

• Aldehydes, Ketones and Carboxylic Acids

  3

  Aldehydes (Methods of Preparation) · Chemical Reactions of Aldehydes and Ketones (Addition of Grignard… · Chemical Reactions of Aldehydes and Ketones (Other Reactions)

• Biomolecules

  3

  Disaccharides (Properties) ×2 · Proteins (Classification of Amino Acids)

• General Principles and Processes of Isolation of Elements

  3

  Extraction of Iron · Extraction of Copper · Extraction of Metals and Non-Metals (General) (Pulverisation)

• Hydrocarbons

  3

  General Characteristics of Alkenes (Chemical Properties) · Preparation of Alkanes · Preparation of Alkenes (Preparation Methods)

• Hydrogen

  3

  Hydrogen Peroxide (H2O₂) (Structure) · Water (H₂O) (Chemical Properties) · Water (H₂O) (Degree of Hardness of Water)

• Chemical Bonding and Molecular Structure

  2

  Bond Parameters (Bond order) · Dipole Moment (Applications of Dipole moment)

• Chemical Kinetics

  2

  Activated Complex Theory · Numericals on Some Important First Order Reactions

• Coordination Compounds

  2

  Ligand Field Theory (π-Bonding and Sigma Bonding in Octahedral… · Substitution Reaction in Octahedral Complexes

• Electrochemistry

  2

  Quantitative Aspects of Electrolysis and Faraday's Laws (Faraday's… · Electrolysis (Mechanism and Product of Electrolysis)

• Equilibrium

  2

  Relationship Between Equilibrium Constant (K), Reaction Quotient (Q)… · Solubility Equilibria of Sparingly Soluble Salts (Constant of…

• Organic Chemistry: Some Basic Principles and Techniques

  2

  Reaction Intermediates (Carbocation) · Methods of Purification of Organic Compounds (Chromatography)

• Solutions

  2

  Ideal and Non-ideal Solutions (Ideal Solution and Non Ideal Solutions) · Colligative Properties (Depression in Freezing Point)

• Surface Chemistry

  2

  Colloids (Protection of Colloids) · Emulsions

• The p-Block Elements (XII)

  2

  Oxoacids of Sulphur · Group 17 Elements (Chemical Properties)

• Thermodynamics

  2

  Change in Thermodynamics Properties in Expansion or Contraction of Gas · Spontaneity: Second Law of Thermodynamics (Entropy and Spontaneity)

• Alcohols, Phenols and Ethers

  1

  Ethers (Chemical Properties)

• Amines

  1

  Chemical Reactions (Carbylamine Reaction (Isocyanide Test))

• Classification of Elements and Periodicity in Properties

  1

  Nomenclature of Elements With Atomic Number > 100

• Environmental Chemistry

  1

  Green House Effect

• Haloalkanes and Haloarenes

  1

  Reaction of Haloarenes (Electrophilic Aromatic Substitution Reactions)

• Polymers

  1

  Classification of Polymers (Classification Based on Source)

• Redox Reactions

  1

  Oxidation Number

• Some Basic Concepts of Chemistry

  1

  Atoms and Molecules

• States of Matter

  1

  Dalton's Law of Partial Pressures

• Structure of Atom

  1

  Bohr's Model for Hydrogen Atom (Limitations of Bohr's Model)

• The Solid State

  1

  Calculations for Unit Cell Dimensions (Radius Ratio)

Chemistry chapters with no question in NEET 2020

Chemistry in Everyday Life, Principles of Qualitative Analysis

Chemistry across the 8 papers

NEET 2020 in the other subjects

Frequently asked questions

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.