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List of Topics Removed in NEET Chemistry Syllabus 2024

Here we bring the list of chapters removed from the NEET Chemistry syllabus from Class 11 and Class 12 or the NEET 2024 deleted syllabus in the Chemistry subject.

The following chapters/topics denote the NEET 2024 deleted syllabus of Class 11.

Unit I: Some Basic Concepts of Chemistry

General Introduction: Important and scope of chemistry.

Unit II: Structure of Atom

Atomic number, isotopes and isobars, Concept of shells and subshells, dual nature of matter and light.

Unit V: States of Matter: Gases and Liquids

• Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws of elucidating the concept of the molecule, Boyle’s law, Charle’s law, Gay Lussac’s law, Avogadro’s law, ideal behaviour of gases, empirical derivation of gas equation. Avogadro number, ideal gas equation. Kinetic energy and molecular speeds (elementary idea), deviation from ideal behaviour, liquefaction of gases, critical temperature.
• Liquid State- Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).

Unit IX: Hydrogen

Occurrence, isotopes, preparation, properties and uses of hydrogen; hydridesionic, covalent and interstitial; physical and chemical properties of water, heavy water; hydrogen peroxidepreparation, reactions, uses and structure.

Unit X: s-Block Elements (Alkali and Alkaline Earth Metals)

Group I and group 2 elements:
• General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens; uses.
• Preparation and Properties of Some important Compounds:
• Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogencarbonate, biological importance of sodium and potassium.
• Industrial use of lime and limestone, biological importance of Mg and Ca.

Unit XI: Some p-Block Elements

Important compounds of silicon and a few uses: silicon tetrachloride, silicones, silicates and zeolites, their uses.

UNIT XIII: Organic Compounds Containing Nitrogen

Cyanides and Isocyanides- will be mentioned at relevant places.

UNIT XIV: Environmental Chemistry

Environmental pollution: Air, water and soil pollution, chemical reactions in atmosphere, smogs, major atmospheric pollutants; acid rain ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming-pollution due to industrial wastes; green chemistry as an alternative tool for reducing pollution, strategy for control of environmental pollution.

The following chapters/topics denote the NEET 2024 deleted syllabus of Class 12.

Unit I: Solid State

Classification of solids based on different binding forces; molecular, ionic covalent and metallic solids, amorphous and crystalline solids (elementary idea), unit cell in two dimensional and three dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties, Band theory of metals, conductors, semiconductors and insulators.

Unit V: Surface Chemistry

Adsorption-physisorption and chemisorption; factors affecting adsorption of gases on solids, catalysis homogeneous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: distinction between true solutions, colloids and suspensions; lyophillic, lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsions- types of emulsions.

UNIT XV: Polymers

Classification- Natural and synthetic, methods of polymerization (addition and condensation), copolymerization. Some important polymers: natural and synthetic like polyesters, bakelite; rubber, Biodegradable and non-biodegradable polymers.

UNIT XVI: Chemistry in Everyday Life

• Chemicals in medicines- analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines.
• Chemicals in food- preservatives, artificial sweetening agents, elementary idea of antioxidants.
• Cleansing agents- soaps and detergents, cleansing action.