NEET 2026 Chemistry — Hot Topics Analysis based on 2021–2025 paper trends. Chemistry carries 180 marks (45 questions), split nearly equally between Class 11 and Class 12 (roughly 50–55% Class 12, 45–50% Class 11). Three verticals — Physical, Inorganic, Organic — each get ~15 questions. Focus on these 20 chapters to cover 85%+ of likely questions.
NEET 2026 exam date: May 3, 2026. Total marks: 720. Negative marking: -1 per wrong answer.
Hot Topics Ranked by Weightage (2021–2025)
Coordination Compounds — 6.94% weightage (Class 12, Inorganic)
Key concepts: Werner’s theory, IUPAC nomenclature, isomerism, CFT, crystal field splitting, colour of complexes
Question pattern: Naming, geometry (tetrahedral/square planar/octahedral), magnetic moment. 3 questions typical.
Hydrocarbons — 6.63% weightage (Class 11, Organic)
Key concepts: Alkanes, alkenes, alkynes, aromatic compounds, Markovnikov rule, reactions of benzene
Question pattern: Reaction mechanisms, product prediction, electrophilic substitution. 3 questions.
Solutions — 6.33% weightage (Class 12, Physical)
Key concepts: Molarity, molality, Raoult’s law, colligative properties, van’t Hoff factor
Question pattern: Elevation in BP, depression in FP, osmotic pressure. 3 questions.
Chemical Bonding and Molecular Structure — 6.12% weightage (Class 11, Inorganic)
Key concepts: VSEPR, hybridisation, MO theory, bond parameters, hydrogen bonding
Question pattern: Shape/hybridisation prediction, bond order, dipole moment. 3 questions.
Classification of Elements and Periodicity in Properties — 5.57% weightage (Class 11, Inorganic)
Key concepts: Modern periodic law, trends in atomic radius, IE, EA, electronegativity
Question pattern: Trend-based comparisons, anomalous behaviour. 2-3 questions.
Organic Chemistry — Some Basic Principles and Techniques — 5.44% weightage (Class 11, Organic)
Key concepts: IUPAC nomenclature, inductive/resonance effects, reaction intermediates, types of reactions
Question pattern: Stability of carbocations, nomenclature, hyperconjugation. 2-3 questions.
Thermodynamics — 5.15% weightage (Class 11, Physical)
Key concepts: First law, enthalpy, entropy, Gibbs free energy, spontaneity
Question pattern: Hess’s law, bond enthalpy, ΔG calculations. 2-3 questions.
Structure of Atom — 5.12% weightage (Class 11, Physical)
Key concepts: Bohr model, quantum numbers, orbitals, Heisenberg principle, electronic configuration
Question pattern: Quantum numbers, shape of orbitals, Aufbau/Hund. 2-3 questions.
Chemical Kinetics — 4.73% weightage (Class 12, Physical)
Key concepts: Rate law, order, molecularity, Arrhenius equation, half-life
Question pattern: First-order reaction problems, activation energy. 2 questions.
Aldehydes, Ketones and Carboxylic Acids — 4.70% weightage (Class 12, Organic)
Key concepts: Preparation, nucleophilic addition, aldol, Cannizzaro, acidity of COOH
Question pattern: Product prediction, mechanism, distinguishing tests. 2-3 questions.
Haloalkanes and Haloarenes — 4.28% weightage (Class 12, Organic)
Key concepts: SN1, SN2, E1, E2 mechanisms, optical activity, aryl halides
Question pattern: Reactivity order, mechanism-based questions. 2 questions.
Alcohols, Phenols and Ethers — 4.28% weightage (Class 12, Organic)
Key concepts: Preparation, acidity of phenols, Kolbe, Reimer-Tiemann, Williamson synthesis
Question pattern: Acidity comparison, named reactions. 2 questions.
Equilibrium — 4.0% weightage (Class 11, Physical)
Key concepts: Kc, Kp, Le Chatelier, ionic equilibrium, pH, buffer, Ksp
Question pattern: Buffer pH, solubility product, degree of ionisation. 2 questions.
Organic Compounds Containing Nitrogen (Amines) — 3.8% weightage (Class 12, Organic)
Key concepts: Preparation, basicity, Hoffmann, Gabriel synthesis, diazonium salts
Question pattern: Basicity order, diazonium reactions. 2 questions.
d- and f-Block Elements — 3.5% weightage (Class 12, Inorganic)
Key concepts: Transition metals, lanthanide contraction, oxidation states, KMnO4, K2Cr2O7
Question pattern: Magnetic moment, colour, oxidising behaviour. 2 questions.
Biomolecules — 3.2% weightage (Class 12, Organic)
Key concepts: Carbohydrates, proteins, nucleic acids, enzymes, vitamins
Question pattern: Classification, structure-based questions. 1-2 questions.
p-Block Elements (Groups 15-18) — 3.2% weightage (Class 12, Inorganic)
Key concepts: Nitrogen family, oxygen family, halogens, noble gases — preparation and properties
Question pattern: Interhalogen compounds, acid strength, oxoacids. 2 questions.
Redox Reactions — 2.8% weightage (Class 11, Physical)
Key concepts: Oxidation number, balancing equations, disproportionation
Question pattern: Balancing, n-factor. 1 question.
Electrochemistry — 2.8% weightage (Class 12, Physical)
Key concepts: Galvanic cells, Nernst equation, conductance, electrolysis, batteries
Question pattern: EMF calculation, Faraday’s laws. 1-2 questions.
States of Matter — 2.5% weightage (Class 11, Physical)
Key concepts: Gas laws, kinetic theory, ideal gas equation, real gases
Question pattern: Gas law numerical, van der Waals. 1 question.
How to Use This Page
Every topic above has a unique anchor link. Our NEET 2026 prediction papers deep-link directly to these sections — click any topic from a prediction paper to jump to the exact concept explanation.