NEET Chemistry

20 chapters of the official NEET UG syllabus. 112 verified questions: Easy 12 · Medium 82 · NEET level 18

Questions are written on request and published only after a separate reviewer verifies each one against NCERT.

1. Some Basic Concepts in Chemistry

Matter, atoms and Dalton's atomic theory
Laws of chemical combination
Atomic and molecular masses and the mole concept
Percentage composition, empirical and molecular formulae
Chemical equations and stoichiometry

2. Atomic Structure

Electromagnetic radiation and the hydrogen spectrum
Bohr model of the hydrogen atom and its limitations
Dual nature of matter and the uncertainty principle
Quantum mechanical model and atomic orbitals
Quantum numbers and shapes of orbitals
Filling of orbitals and electronic configuration

3. Chemical Bonding and Molecular Structure

Kossel-Lewis approach; ionic bonding and lattice enthalpy
Covalent bonding, electronegativity, Fajan's rule and dipole moment
VSEPR theory and shapes of molecules
Valence bond theory, hybridisation and resonance
Molecular orbital theory and bond order
Metallic bonding and hydrogen bonding

4. Chemical Thermodynamics

System, surroundings and state functions
First law: work, heat, internal energy and enthalpy
Heat capacity and Hess's law
Enthalpies of reactions and phase changes
Second law: entropy, Gibbs energy and spontaneity
Gibbs energy and the equilibrium constant

5. Solutions

Concentration of solutions
Raoult's law, ideal and non-ideal solutions
Colligative properties
Molecular mass from colligative properties
Abnormal molar mass and the van't Hoff factor

6. Equilibrium

Dynamic equilibrium and physical equilibria; Henry's law
Chemical equilibrium: Kp, Kc and Gibbs energy
Factors affecting equilibrium and Le Chatelier's principle
Ionic equilibrium: acids, bases and ionisation constants
pH, common ion effect and hydrolysis of salts
Solubility product and buffer solutions

7. Redox Reactions and Electrochemistry

Oxidation number and balancing redox reactions
Conductance and Kohlrausch's law
Electrolytic and galvanic cells; electrode potentials
Nernst equation and Gibbs energy
Dry cell, lead accumulator and fuel cells

8. Chemical Kinetics

Rate of reaction and the factors affecting it
Order, molecularity and the rate law
Zero and first order reactions and half-lives
Arrhenius equation and activation energy
Collision theory

9. Classification of Elements and Periodicity in Properties

Modern periodic law and the periodic table
s, p, d and f block elements
Periodic trends: radii, ionisation enthalpy, electron gain enthalpy
Valence, oxidation states and chemical reactivity

10. p-Block Elements

Group 13 and Group 14 elements
Group 15 and Group 16 elements
Group 17 and Group 18 elements
Trends across periods and down groups; the first element of each group

11. d- and f-Block Elements

Transition elements: configuration, occurrence and trends
Oxidation states, colour, magnetism and catalytic behaviour
Complex formation, interstitial compounds and alloys
Potassium dichromate and potassium permanganate
Lanthanoids and lanthanoid contraction
Actinoids

12. Co-ordination Compounds

Werner's theory, ligands, coordination number and chelation
IUPAC nomenclature of coordination compounds
Isomerism in coordination compounds
Valence bond approach and crystal field theory
Importance of coordination compounds

13. Purification and Characterisation of Organic Compounds

Purification: crystallisation, distillation, extraction, chromatography
Qualitative analysis: nitrogen, sulphur, phosphorus, halogens
Quantitative analysis and formula calculations

14. Some Basic Principles of Organic Chemistry

Tetravalency, hybridisation and functional groups
Homologous series and isomerism
IUPAC nomenclature
Bond fission, intermediates, electrophiles and nucleophiles
Inductive, electromeric, resonance and hyperconjugation effects
Substitution, addition, elimination and rearrangement reactions

15. Hydrocarbons

Alkanes: conformations and halogenation
Alkenes: electrophilic addition, ozonolysis and polymerisation
Alkynes: acidic character and addition reactions
Aromatic hydrocarbons: aromaticity and electrophilic substitution
Friedel-Crafts reactions and directive influence

16. Organic Compounds Containing Halogens

Preparation, properties and the nature of the C-X bond
Mechanisms of substitution reactions
Uses and environmental effects

17. Organic Compounds Containing Oxygen

Alcohols: identification and mechanism of dehydration
Phenols: acidic nature and electrophilic substitution
Ethers
Aldehydes and ketones: nucleophilic addition
Oxidation, reduction and named reactions
Carboxylic acids: acidic strength

18. Organic Compounds Containing Nitrogen

Amines: nomenclature, structure and basic character
Identification of primary, secondary and tertiary amines
Diazonium salts

19. Biomolecules

Carbohydrates
Proteins and enzymes
Vitamins
Nucleic acids
Hormones

Detection of extra elements and functional groups
Preparation of inorganic and organic compounds
Titrimetric exercises
Qualitative salt analysis: cations and anions
Experiments: enthalpy, sols and kinetics

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