JEE Main 2026 Chemistry — Hot Topics Analysis from 2021–2025 trends. Chemistry section: 30 questions, 100 marks. Organic and Physical Chemistry slightly outweigh Inorganic. Focus on these 20 chapters to cover 80%+ of likely questions.
JEE Main 2026 Session 1: Jan 21–29, 2026. Session 2: Apr 2–8, 2026.
Branch-wise Question Count (2025)
- Physical Chemistry: 176 questions (all sessions combined)
- Organic Chemistry: 169 questions
- Inorganic Chemistry: 130 questions
Hot Topics Ranked by Weightage (2021–2025)
Aldehydes, Ketones and Carboxylic Acids — 5.95% weightage (Class 12, Organic)
Key concepts: Nucleophilic addition, aldol, Cannizzaro, acidity of COOH, preparation methods
Question pattern: Mechanism, product prediction, distinguishing tests. 2-3 questions.
Coordination Compounds — 5.33% weightage (Class 12, Inorganic)
Key concepts: Werner’s theory, IUPAC nomenclature, isomerism, CFT, colour and magnetic properties
Question pattern: Geometry, CFSE, naming, magnetic moment. 2-3 questions.
d- and f-Block Elements — 4.69% weightage (Class 12, Inorganic)
Key concepts: Transition metal trends, lanthanide contraction, KMnO4, K2Cr2O7, oxidation states
Question pattern: Colour, oxidising behaviour, comparisons. 2 questions.
Solutions — 4.54% weightage (Class 12, Physical)
Key concepts: Molarity, molality, Raoult’s law, colligative properties, van’t Hoff factor
Question pattern: Elevation BP, depression FP, osmotic pressure. 2 questions.
Equilibrium — 4.44% weightage (Class 11, Physical)
Key concepts: Kc, Kp, Le Chatelier, ionic equilibrium, buffer, Ksp, pH
Question pattern: Buffer calculations, solubility, degree of ionisation. 2 questions.
Amines (Nitrogen-Containing Organic Compounds) — 4.40% weightage (Class 12, Organic)
Key concepts: Preparation, basicity, Hoffmann, Gabriel, diazonium chemistry
Question pattern: Basicity order, diazonium coupling. 2 questions.
s-Block Elements — 4.16% weightage (Class 11, Inorganic)
Key concepts: Alkali/alkaline earth metals, anomalous behaviour, biological importance
Question pattern: Trend-based questions, anomalous Li/Be. 1-2 questions.
Biomolecules — 3.99% weightage (Class 12, Organic)
Key concepts: Carbohydrates, proteins, nucleic acids, enzymes, vitamins
Question pattern: Classification, structure-based. 1-2 questions.
p-Block Elements (Groups 15-18) — 3.68% weightage (Class 12, Inorganic)
Key concepts: N family, O family, halogens, noble gases — preparation and properties
Question pattern: Oxoacids, interhalogens, acid strength. 2 questions.
Chemical Thermodynamics — 3.65% weightage (Class 11, Physical)
Key concepts: First law, enthalpy, entropy, Gibbs energy, bond enthalpy, Hess’s law
Question pattern: ΔH, ΔG, ΔS calculations. 1-2 questions.
Chemical Bonding and Molecular Structure — 3.5% weightage (Class 11, Inorganic)
Key concepts: VSEPR, hybridisation, MOT, bond order, H-bonding
Question pattern: Shape prediction, bond order, dipole moment. 2 questions.
Hydrocarbons — 3.4% weightage (Class 11, Organic)
Key concepts: Alkanes, alkenes, alkynes, aromatic, Markovnikov, electrophilic substitution
Question pattern: Mechanism, product prediction. 1-2 questions.
Chemical Kinetics — 3.3% weightage (Class 12, Physical)
Key concepts: Rate law, order, molecularity, Arrhenius, integrated rate laws, half-life
Question pattern: First-order problems, activation energy. 1-2 questions.
Electrochemistry — 3.2% weightage (Class 12, Physical)
Key concepts: Galvanic cells, Nernst, conductance, electrolysis, Faraday’s laws, batteries
Question pattern: EMF, Faraday’s law calculations. 1-2 questions.
Organic Chemistry — Basic Principles and Techniques — 3.1% weightage (Class 11, Organic)
Key concepts: IUPAC naming, electronic effects, intermediates, reaction types
Question pattern: Carbocation stability, nomenclature. 1-2 questions.
Structure of Atom — 2.9% weightage (Class 11, Physical)
Key concepts: Bohr, quantum numbers, orbitals, Heisenberg, electronic configuration
Question pattern: Quantum numbers, orbital shapes. 1-2 questions.
Haloalkanes and Haloarenes — 2.8% weightage (Class 12, Organic)
Key concepts: SN1, SN2, E1, E2, optical activity, aryl halide reactions
Question pattern: Mechanism, reactivity order. 1-2 questions.
Alcohols, Phenols and Ethers — 2.7% weightage (Class 12, Organic)
Key concepts: Preparation, acidity, Kolbe, Reimer-Tiemann, Williamson synthesis
Question pattern: Acidity comparison, named reactions. 1-2 questions.
Classification of Elements and Periodicity — 2.5% weightage (Class 11, Inorganic)
Key concepts: Modern periodic law, atomic radius, IE, EA, electronegativity trends
Question pattern: Trend comparisons. 1 question.
Redox Reactions — 2.2% weightage (Class 11, Physical)
Key concepts: Oxidation number, balancing, disproportionation, n-factor
Question pattern: Balancing redox, equivalent concept. 1 question.
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