Deleted Topics From JEE Main Chemistry Syllabus by NTA |
Chapter Name | Topics |
Some Basic Concepts in Chemistry | - Physical quantities and their measurements in Chemistry
- Precision and accuracy
- Significant figures
- S.I.Units, dimensional analysis
|
|
|
|
States of Matter | - Classification of matter into solid, liquid, and gaseous states
- Gaseous State: Measurable properties of gases: Gas laws – Boyle’s law, Charle’s law
- Graham’s law of diffusion
- Avogadro’s law
- Dalton’s law of partial pressure
- Concept of Absolute scale of temperature
- Ideal gas equation; Kinetic theory of gases (only postulates)
- Concept of average, root mean square and most probable velocities
- Real gases, deviation from Ideal behaviour, compressibility factor, and van der Waals equation.
- Liquid State: Properties of liquids – vapour pressure, viscosity and surface tension, and effect of temperature on them (qualitative treatment only).
- Solid State: Classification of solids: molecular, ionic, covalent and metallic solids, amorphous and crystalline solids (elementary idea)
- Bragg’s Law and its applications: Unit cell and lattices.
- packing in solids (fcc, bcc and hcp lattices), voids, calculations involving unit cell parameters, an imperfection in solids.
- Electrical and magnetic properties.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Atomic Structure | - Thomson and Rutherford atomic models and their limitations
|
Surface Chemistry | - Adsorption- Physisorption and chemisorption and their characteristics, factors affecting adsorption of gases on solids
- Freundlich and Langmuir adsorption isotherms, adsorption from solutions.
- Catalysis – Homogeneous and heterogeneous, activity and selectivity of solid catalysts, enzyme catalysis, and its mechanism.
- Colloidal state- distinction among true solutions, colloids, and suspensions,
- classification of colloids – lyophilic. lyophobic; multi-molecular. macromolecular and associated colloids (micelles)
- Preparation and properties of colloids – Tyndall effect
- Brownian movement, electrophoresis, dialysis, coagulation, and flocculation:
- Emulsions and their characteristics.
|
|
|
|
|
|
|
|
General Principles And Processes of Isolation of Metals (metallurgy) | - Modes of occurrence of elements in nature, minerals, ores
- Steps involved in the extraction of metals – concentration, reduction (chemical and electrolytic methods), and refining with special reference to the extraction of Al.
- Cu, Zn, and Fe; Thermodynamic and electrochemical principles involved in the extraction of metals.
|
|
|
Hydrogen | - Position of hydrogen in periodic table,
- Isotopes, preparation, properties and uses of hydrogen
- Physical and chemical properties of water and heavy water
- Structure, preparation, reactions, and uses of hydrogen peroxide
- Classification of hydrides – ionic, covalent, and interstitial. Hydrogen as a fuel.
|
|
|
|
|
S - Block Elements | |
P - Block Elements | - Electronic configuration, and general trends in physical and chemical properties of elements.
- Anomalous properties of the first element of each group, diagonal relationships. Preparation and properties of some important compounds – sodium carbonate and sodium hydroxide and sodium hydrogen carbonate;
- Industrial uses of lime, limestone. Plaster of Paris and cement: Biological significance of Na, K. Mg, and Ca.
- Groupwise study of the p – block elements Group -13: Preparation, properties, and uses of boron and aluminum
- Structure, properties, and uses of borax, boric acid, diborane, boron trifluoride, aluminum chloride, and alums.
- Group -14, The tendency for catenation; Structure, properties, and uses of Allotropes and oxides of carbon, silicon tetrachloride, silicates, zeolites, and silicones.
- Group -15, Properties and uses of nitrogen and phosphorus; Allotropic forms of phosphorus; Preparation, properties, structure, and uses of ammonia, nitric acid, phosphine, and phosphorus halides.
- Group -16: Preparation, properties, structures, and uses of ozone: Allotropic forms of sulfur; Preparation, properties, structures, and uses of sulphuric acid
- Group-17: Preparation, properties, and uses of hydrochloric acid; Trends in the acidic nature of hydrogen halides; Structures of Interhalogen compounds and oxides and oxoacids of halogens.
- Group-18: Occurrence and uses of noble gases; Structures of fluorides and oxides of xenon.
|
|
|
|
|
|
|
|
|
Environmental Chemistry | - Environmental pollution – Atmospheric, water, and soil.
- Atmospheric pollution – Tropospheric and Stratospheric Tropospheric pollutants – Gaseous pollutants: Oxides of carbon, nitrogen, and sulfur
- Hydrocarbons their sources, harmful effects, and prevention; Greenhouse effect and Global warming
- Acid rain; Particulate pollutants: Smoke, dust, smog, fumes, mist; their sources, harmful effects, and prevention.
- Stratospheric pollution- Formation and breakdown of ozone, depletion of the ozone layer – its mechanism and effects.
- Water Pollution – Major pollutants such as. pathogens, organic wastes, and chemical pollutants; their harmful effects and prevention.
- Soil pollution – Major pollutants such as; Pesticides (insecticides. herbicides and fungicides), their harmful effects, and prevention.
- Strategies to control environmental pollution
|
|
|
|
|
|
|
|
Polymers | - General introduction and classification of polymers
- General methods of polymerization, – Addition and condensation.
- Copolymerization. Natural and synthetic, rubber and vulcanization,
- Some important polymers with emphasis on their monomers and uses – polythene, nylon, polyester, and bakelite
|
|
|
|
Chemistry In Everyday Life | - Chemicals in Medicines – Analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, anti-fertility drugs, antibiotics, antacids, Anti-histamines.
- Chemicals in food – Preservatives, artificial sweetening agents – common examples.
- Cleansing Agents – Soaps and detergents, cleansing action
|
|
