JEE main chemistry 2019 syllabus - Notes - JEE

JEE Main Chemistry Syllabus 2019

Inorganic Chemistry

Organic Chemistry

Physical Chemistry

Physical Chemistry

• Some Basic concepts in Chemistry
• States of Matter
• Atomic Structure
• Chemical Bonding and Molecular Structure
• Chemical Thermodynamics
• Solutions
• Equilibrium
• Redox Reactions and Electrochemistry
• Chemical Kinetics
• Surface Chemistry

Inorganic Chemistry

• Classification of Elements and Periodicity in Properties
• General Principles and Process of Isolation of Metals
• Hydrogen
• S - Block Elements (Alkali and Alkaline Earth Metals)
• P - Block Elements
• D – and F – Block Elements
• Co-ordination Compounds

Organic Chemistry

• Some Basic Principles of Organic Chemistry
• Purification and Characterisation of Organic Compounds
• Hydrocarbons
• Organic Compounds Containing Halogens
• Organic Compounds Containing Oxygen
• Organic Compounds Containing Nitrogen
• Polymers
• Bio-Molecules
• Environmental Chemistry
• Chemistry in Everyday Life
• Principles Related to Practical Chemistry

JEE Main Physical Chemistry Syllabus

UNIT 1: Some Basic concepts in Chemistry

• Matter and its nature
• Dalton’s atomic theory
• Concept of atom, molecule, element and compound
• Physical quantities and their measurements in Chemistry
• Precision and accuracy, significant figures, S.I. Units, dimensional analysis
• Laws of chemical combination
• Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae
• Chemical equations and stoichiometry

UNIT 2: States of Matter

• Classification of matter into solid, liquid and gaseous states.

UNIT 3: Atomic Structure

I.

• Discovery of sub-atomic particles (electron, proton and neutron)
• Thomson and Rutherford atomic models and their limitations

Nature of electromagnetic radiation

• Photoelectric effect
• Spectrum of hydrogen atom
• Bohr model of hydrogen atom - its postulates
• Derivation of the relations for energy of the electron and radii of the different orbits
• Limitations of Bohr’s model
• Dual nature of matter
• De-Broglie’s relationship
• Heisenberg uncertainty principle

II. 

• Elementary ideas of quantum mechanics
• Quantum mechanical model of atom, its important features
• Concept of atomic orbitals as one electron wave functions
• Variation of Ψ and Ψ2 with r for 1s and 2s orbitals
• Various quantum numbers (principal, angular momentum and magnetic quantum numbers) and their significance
• Shapes of s, p and d - orbitals, electron spin and spin quantum number
• Rules for filling electrons in orbitals - Aufbau principle
• Pauli’s exclusion principle and Hund’s rule
• Electronic configuration of elements
• Extra stability of half-filled and completely filled orbitals

UNIT 4: Chemical Bonding and Molecular Structure

I. Kossel:

• Lewis approach to chemical bond formation
• Concept of ionic and covalent bonds

II. Ionic Bonding:

• Formation of ionic bonds
• Factors affecting the formation of ionic bonds
• Calculation of lattice enthalpy

III. Covalent Bonding:

• Concept of electronegativity
• Fajan’s rule
• Dipole moment
• Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules

IV. Quantum mechanical approach to covalent bonding:

• Valence bond theory - Its important features
• Concept of hybridization involving s, p and d orbitals
• Resonance

V. Molecular Orbital Theory:

• Its important features
• LCAOs
• Types of molecular orbitals (bonding, antibonding)
• Sigma and pi-bonds
• Molecular orbital electronic configurations of homonuclear diatomic molecules
• Concept of bond order
• Bond length and bond energy

VI. Elementary idea of metallic bonding. Hydrogen bonding and its applications.

UNIT 5: Chemical Thermodynamics

UNIT 6: Solutions

• Different methods for expressing concentration of solution - molality
• Molarity
• Mole fraction
• Percentage (by volume and mass both)
• Vapor pressure of solutions and Raoult’s Law - Ideal and non-ideal solutions
• Vapour pressure - composition
• Plots for ideal and non-ideal solutions
• Colligative properties of dilute solutions - relative lowering of vapour pressure
• Depression of freezing point
• Elevation of boiling point and osmotic pressure
• Determination of molecular mass using colligative properties
• Abnormal value of molar mass
• Van’t Hoff factor and its significance

UNIT 7: Equilibrium

Meaning of equilibrium, concept of dynamic equilibrium.

Equilibria involving physical processes:

• Solid -liquid
• Liquid - gas and solid - gas equilibria
• Henry’s law
• General characteristics of equilibrium involving physical processes.

Equilibria involving chemical processes:

• Law of chemical equilibrium
• Equilibrium constants (Kp and Kc) and their significance
• Significance of ΔG and ΔGo in chemical equilibria
• Factors affecting equilibrium concentration
• Pressure
• Temperature
• Effect of catalyst
• Le Chatelier’s principle

Ionic equilibrium:

• Weak and strong electrolytes
• Ionization of electrolytes
• Various concepts of acids and bases (Arrhenius, Bronsted - Lowry and Lewis) and their ionization
• Acid-base equilibria (including multistage ionization) and ionization constants
• Ionization of water
• PH scale
• Common ion effect
• Hydrolysis of salts and pH of their solutions
• Solubility of sparingly soluble salts and solubility products
• Buffer solutions

UNIT 8: Redox Reactions and Electrochemistry

• Electronic concepts of oxidation and reduction
• Redox reactions, oxidation number
• Rules for assigning oxidation number
• Balancing of redox reactions
• Electrolytic and metallic conduction
• Conductance in electrolytic solutions
• Specific and molar conductivities and their variation with concentration
• Kohlrausch’s law and its applications

Electrochemical cells:

• Electrolytic and Galvanic cells
• Different types of electrodes
• Electrode potentials including standard electrode potential, half - cell and cell reactions, emf of a Galvanic cell and its measurement
• Nernst equation and its applications
• Relationship between cell potential and Gibbs’ energy change
• Dry cell and lead accumulator
• Fuel cells
• Corrosion and its prevention

UNIT 9: Chemical Kinetics

• Rate of a chemical reaction
• Factors affecting the rate of reactions: concentration, temperature, pressure and catalyst
• Elementary and complex reactions
• Order and molecularity of reactions
• Rate law, rate constant and its units, differential and integral forms of zero and first order reactions, their characteristics and half-lives
• Effect of temperature on rate of reactions - Arrhenius theory, activation energy and its calculation
• collision theory of bimolecular gaseous reactions (no derivation)

UNIT 10: Surface Chemistry

JEE Main Inorganic Chemistry Syllabus

UNIT 11: Classification of Elements and Periodicity in Properties

• Modem periodic law and present form of the periodic table, s, p, d and f block elements
• Periodic trends in properties of elements­atomic and ionic radii
• Ionization enthalpy
• Electron gain enthalpy
• Valence
• Oxidation states and chemical reactivity

UNIT 12: General Principles and Process of Isolation of Metals

• 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

UNIT 13: 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

UNIT 14: S - Block Elements (Alkali and Alkaline Earth Metals)

Group 1 and Group 2 Elements

I.

• General introduction
• Electronic configuration and general trends in physical and chemical properties of elements
• Anomalous properties of the first element of each group
• Diagonal relationships

II.

• Preparation and properties of some important compounds - sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogen carbonate
• Industrial uses of lime, limestone, Plaster of Paris and cement
• Biological significance of Na, K, Mg and Ca

UNIT 15: P - Block Elements

UNIT 16: D – and F – Block Elements

UNIT 17: Co-ordination Compounds

• Introduction to co-ordination compounds, Werner’s theory
• Ligands, co-ordination number, denticity, chelation
• IUPAC nomenclature of mononuclear co-ordination compounds, isomerism
• Bonding-Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties
• Importance of co-ordination compounds (in qualitative analysis, extraction of metals and in biological systems)

JEE Main Organic Organic Chemistry Syllabus

UNIT 18: Some Basic Principles of Organic Chemistry

I. Tetravalency of carbon; Shapes of simple molecules - hybridization (s and p); Classification of organic compounds based on functional groups: Double bonds, triple bonds and those containing halogens, oxygen, nitrogen and sulphur; Homologous series; Isomerism - structural and stereoisomerism.

Nomenclature (Trivial and IUPAC)

II. Covalent bond fission - Homolytic and heterolytic - free radicals, carbocations and carbanions; stability of carbocations and free radicals, electrophiles and nucleophiles.

III. Electronic displacement in a covalent bond - Inductive effect, electromeric effect, resonance and hyperconjugation.

IV. Common types of organic reactions - Substitution, addition, elimination and rearrangement.

UNIT 19: Purification and Characterisation of Organic Compounds

UNIT 20: Hydrocarbons

• Classification
• Isomerism
• IUPAC nomenclature
• General methods of preparation, properties and reactions

UNIT 21: Organic Compounds Containing Halogens

• General methods of preparation, properties and reactions; Nature of C-X bond; Mechanisms of substitution reactions.
• Uses; Environmental effects of chloroform, iodoform, freons and DDT.

UNIT 22: Organic Compounds Containing Oxygen

General methods of preparation, properties, reactions and uses.

UNIT 23: Organic Compounds Containing Nitrogen

General methods of preparation, properties, reactions and uses.

• Amines: Nomenclature, classification, structure, basic character and identification of primary, secondary and tertiary amines and their basic character.
• Diazonium Salts: Importance in synthetic organic chemistry.

UNIT 24: 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 - polyethene, nylon, polyester and bakelite.

UNIT 25: Biomolecules

General introduction and importance of biomolecules.

UNIT 26: Environmental Chemistry

• Environmental pollution - Atmospheric, water and soil.
• Atmospheric pollution - Tropospheric and stratospheric
• Tropospheric pollutants - Gaseous pollutants: Oxides of carbon, nitrogen and sulphur, 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 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.

UNIT 27: Chemistry in Everyday Life

UNIT 28: Principles Related to Practical Chemistry

Detection of extra elements (N, S, halogens) inorganic compounds; Detection of the following functional groups: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketone), carboxyl and amino groups in organic compounds.

Chemistry involved in the preparation of the following:

Inorganic compounds: Mohr’s salt, potash alum.

Organic compounds: Acetanilide, p-nitroacetanilide, aniline yellow, iodoform.

Chemistry involved in the titrimetric exercises - Acids bases and the use of indicators, oxalic-acid vs KMnO4, Mohr’s salt vs KMnO4.

Chemical involved in the qualitative salt analysis:

Cations - Pb²  , Cu² , Al³ , Fe³ , Zn² , Ni² , Ca² , Ba² , Mg² , NH⁴ .

Anions - CO₃^2-, S^2-, SO₄^2-, NO₂^-, NO₃^-, Cl^-, Br^-, I^-. (Insoluble salts excluded).

Chemical principles involved in the following experiments:

1. Enthalpy of solution of CuSO₄
2. Enthalpy of neutralization of strong acid and strong base.
3. Preparation of lyophilic and lyophobic sols.
4. Kinetic study of reaction of iodide ion with hydrogen peroxide at room temperature.

Further, it has been recommended that NCERT textbooks & Exemplar and previous years’ JEE objective type question (single option) for Chemistry Preparation are very important. Some of the important books include - P. Bahadur’s “Numerical Chemistry”, Paula Bruice Yurkanis’s “Organic Chemistry” and J.D. Lee’s “Inorganic Chemistry”.