JEE Main 2023: JEE Mains April session registration updates; Exam dates, pattern

Category

Expected cutoff

General

87-90

EWS

63-67

OBC

67-72

SC

43-47

ST

25-30

Sections

Topics

Concepts

Hybridisation of carbon

σ and π-bonds

Shapes of simple organic molecules

Structural and geometrical isomerism

Optical isomerism of compounds containing up to two asymmetric centres, (R,S and E,Z nomenclature excluded)

IUPAC nomenclature of simple organic compounds (only) hydrocarbons, mono-functional and bi-functional compounds)

Conformations of ethane and butane (Newman projections)

Resonance and hyperconjugation

Keto-enoltautomerism

Determination of empirical and molecular formulae of simple compounds (only combustion method)

Hydrogen bonds

Definition and their effects on physical properties of alcohols and carboxylic acids

Inductive and resonance effects on acidity and basicity of organic acids and bases

Polarity and inductive effects in alkyl halides

Reactive intermediates produced during homolytic and heterolytic bond cleavage

Formation, structure and stability of carbocations, carbanions and free radicals.

Preparation, properties and reactions of alkanes

Homologous series, physical properties of alkanes (melting points, boiling points and density)

Combustion and halogenation of alkanes

Preparation of alkanes by Wurtz reaction and decarboxylation reactions.

Preparation, properties and reactions of alkenes and alkynes

Physical properties of alkenes and alkynes (boiling points, density and dipole moments)

Acidity of alkynes

Acid catalysed hydration of alkenes and alkynes (excluding the stereochemistry of addition and elimination)

Reactions of alkenes with KMnO4 and ozone

Reduction of alkenes and alkynes; Preparation of alkenes and alkynes by elimination reactions

Electrophilic addition reactions of alkenes with X2, HX, HOX and H2O (X=halogen)

Addition reactions of alkynes; Metal acetylides.

Reactions of benzene

Structure and aromaticity

Electrophilic substitution reactions: halogenation, nitration, sulphonation, Friedel-Crafts alkylation and acylation

Effect of o-, m- and p-directing groups in monosubstituted benzenes.

Phenols

Acidity, electrophilic substitution reactions (halogenation, nitration and sulphonation)

Reimer-Tieman reaction, Kolbe reaction.

Characteristic reactions of the following (including those mentioned above)

Alkyl halides: rearrangement reactions of alkyl carbocation, Grignard reactions, nucleophilic substitution reactions

Alcohols: esterification, dehydration and oxidation, reaction with sodium, phosphorus halides, ZnCl2/concentrated HCl, conversion of alcohols into aldehydes and ketones

Ethers: Preparation by Williamson’s Synthesis

Aldehydes and Ketones: oxidation, reduction, oxime and hydrazone formation

Aldol condensation, Perkin reaction

Cannizzaro reaction

Haloform reaction and nucleophilic addition reactions (Grignard addition)

Carboxylic acids: formation of esters, acid chlorides and amides, ester hydrolysis

Amines: basicity of substituted anilines and aliphatic amines, preparation from nitro compounds, reaction with nitrous acid, azo coupling reaction of diazonium salts of aromatic amines, Sandmeyer and related reactions of diazonium salts; carbylamine reaction

Haloarenes: nucleophilic aromatic substitution in haloarenes and substituted haloarenes (excluding Benzyne mechanism and Cine substitution).

Carbohydrates

Classification

Mono- and di-saccharides (glucose and sucrose)

Oxidation, reduction, glycoside formation and hydrolysis of sucrose.

Amino Acids and Peptides

General structure (only primary structure for peptides) and physical properties.

Properties and uses of some important polymers

Natural rubber, cellulose, nylon, teflon and PVC.

Practical Organic Chemistry

Detection of elements (N, S, halogens)

Detection and identification of the following functional groups: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketone), carboxyl, amino and nitro

Chemical methods of separation of mono-functional organic compounds from binary mixtures.

Sections

Topics

Isolation/preparation and properties of the following non-metals

Boron, silicon, nitrogen, phosphorus, oxygen, sulphur and halogens

Properties of allotropes of carbon (only diamond and graphite), phosphorus and sulphur

Preparation and properties of the following compounds

Oxides, peroxides, hydroxides, carbonates, bicarbonates, chlorides and sulphates of sodium, potassium, magnesium and calcium

Boron: diborane, boric acid and borax

Aluminium: alumina, aluminium chloride and alums

Carbon: oxides and oxyacid (carbonic acid)

Silicon: silicones, silicates and silicon carbide

Nitrogen: oxides, oxyacids and ammonia

Phosphorus: oxides, oxyacids (phosphorus acid, phosphoric acid) and phosphine

Oxygen: ozone and hydrogen peroxide

Sulphur: hydrogen sulphide, oxides, sulphurous acid, sulphuric acid and sodium thiosulphate

Halogens: hydrohalic acids, oxides and oxyacids of chlorine, bleaching powder

Xenon fluorides.

Transition Elements 3D Series

Definition, general characteristics, oxidation states and their stabilities, colour (excluding the details of electronic transitions) and calculation of spin-only magnetic moment

Coordination compounds: nomenclature of mononuclear coordination compounds, cistrans and ionisation isomerisms, hybridization and geometries of mononuclear coordination compounds (linear, tetrahedral, square planar and octahedral).

Preparation and properties of the following compounds

Oxides and chlorides of tin and lead

Oxides, chlorides and sulphates of Fe2+, Cu2+ and Zn2+

Potassium permanganate, potassium dichromate, silver oxide, silver nitrate, silver thiosulphate.

Ores and Minerals

Commonly occurring ores and minerals of iron, copper, tin, lead, magnesium, aluminium,

zinc and silver.

Extractive metallurgy

Chemical principles and reactions only (industrial details excluded)

Carbon reduction method (iron and tin)

Self reduction method (copper and lead)

Electrolytic reduction method (magnesium and aluminium)

Cyanide process (silver and gold).

Principles of qualitative analysis

Groups I to V (only Ag+ , Hg2+, Cu2+, Pb2+, Bi3+, Fe3+, Cr3+, Al3+, Ca2+, Ba2+, Zn2+, Mn2+ and Mg2+)

Nitrate, halides (excluding fluoride), sulphate and sulphide.

Sections

Topics

General Topics

• Concept of atoms and molecules;
• Dalton’s atomic theory;
• Mole concept;
• Chemical formulae;
• Balanced chemical equations;
• Calculations (based on mole concept and stoichiometry) involving common oxidation-reduction, neutralisation, and displacement reactions;
• Concentration in terms of mole fraction, molarity, molality and normality.

Gaseous and Liquid State

• Gas laws and ideal gas equation, absolute scale of temperature;
• Deviation from ideality, van der Waals equation
• Kinetic theory of gases, average, root mean square and most probable velocities and their relation with temperature
• Law of partial pressures; Diffusion of gases. Intermolecular interactions: types, distance dependence, and their effect on properties; Liquids: vapour pressure, surface tension, viscosity.

Atomic Structure and Chemical Bonding

• Bohr model, spectrum of hydrogen atom;
• Wave-particle duality, de Broglie hypothesis;
• Uncertainty principle;
• Qualitative quantum mechanical picture of hydrogen atom: Energies, quantum numbers, wave function and probability density (plots only), shapes of s, p and d orbitals;
• Aufbau principle;
• Pauli’s exclusion principle and Hund’s rule.

Chemical Thermodynamics

• Intensive and extensive properties, state functions,
• First law of thermodynamics
• Internal energy, work (pressure-volume only) and heat; Enthalpy, heat capacity, standard state, Hess’s law; Enthalpy of reaction, fusion and vapourization, and lattice enthalpy; Second law of thermodynamics; Entropy; Gibbs energy; Criteria of equilibrium and spontaneity.

Chemical and Ionic Equilibrium

• Law of mass action;
• Significance of ΔG and ΔG0 in chemical equilibrium
• Equilibrium constant (Kp and Kc) and reaction quotient, Le Chatelier’s principle (effect of concentration, temperature and pressure);
• Solubility product and its applications, common ion effect, pH and buffer solutions;
• Acids and bases (Bronsted and Lewis concepts); Hydrolysis of salts.

Electrochemistry

• Electrochemical cells and cell reactions;
• Standard electrode potentials; Electrochemical work, Nernst equation; Electrochemical series, emf of galvanic cells;
• Faraday’s laws of electrolysis; Electrolytic conductance, specific, equivalent and molar conductivity, Kohlrausch’s law;
• Batteries: Primary and Secondary, fuel cells; Corrosion.

Chemical Kinetics

• Rates of chemical reactions;
• Order and molecularity of reactions;
• Rate law, rate constant, half-life; Differential and integrated rate expressions for zero and first order reactions;
• Temperature dependence of rate constant (Arrhenius equation and activation energy);
• Catalysis: Homogeneous and heterogeneous, activity and selectivity of solid catalysts, enzyme catalysis and its mechanism.

Solid State

Classification of solids, crystalline state, seven crystal systems (cell parameters a, b, c, α, β, γ), close-packed structure of solids (cubic), packing in fcc, bcc and hcp lattices

Nearest neighbours, ionic radii, simple ionic compounds, point defects.JEE Advanced Syllabus 2023 JEE Advanced Syllabus 2023

Solutions

Raoult’s law

Molecular weight determination from lowering of vapour pressure, elevation of boiling point and depression of freezing point.

Surface Chemistry

• Elementary concepts of adsorption (excluding adsorption isotherms)
• Colloids: types, methods of preparation and general properties
• Elementary ideas of emulsions, surfactants, and micelles (only definitions and examples).

Nuclear Chemistry

Radioactivity

Isotopes and isobars

Properties of α, β and γ rays

Kinetics of radioactive decay (decay series excluded), carbon dating

Stability of nuclei with respect to proton neutron ratio

Brief discussion on fission and fusion reactions.

Sections

JEE Advanced Topics

Algebra

Algebra of complex numbers, addition, multiplication, conjugation, polar representation, properties of modulus and principal argument, triangle inequality, cube roots of unity, geometric interpretations.

Quadratic equations with real coefficients, relations between roots and coefficients, formation of quadratic equations with given roots, symmetric functions of roots. Arithmetic, geometric and harmonic progressions, arithmetic, geometric and harmonic means, sums of finite arithmetic and geometric progressions, infinite geometric series, sums of squares and cubes of the first n natural numbers. Logarithms and their properties.

Permutations and combinations, binomial theorem for a positive integral index, properties of binomial coefficients.

Matrices

Matrices as a rectangular array of real numbers, equality of matrices, addition, multiplication by a scalar and product of matrices, transpose of a matrix, determinant of a square matrix of order up to three, inverse of a square matrix of order up to three, properties of these matrix operations, diagonal, symmetric and skew-symmetric matrices and their properties, solutions of simultaneous linear equations in two or three variables.

Probability

Addition and multiplication rules of probability, conditional probability, Bayes Theorem, independence of events, computation of probability of events using permutations and combinations.

Trigonometry

Trigonometric functions, their periodicity and graphs, addition and subtraction formulae, formulae involving multiple and sub-multiple angles, general solution of trigonometric equations.

Relations between sides and angles of a triangle, sine rule, cosine rule, half-angle formula and the area of a triangle, inverse trigonometric functions (principal value only).

Analytical Geometry

Two dimensions: Cartesian coordinates, distance between two points, section formulae, shift of origin.

Equation of a straight line in various forms, angle between two lines, distance of a point from a line; Lines through the point of intersection of two given lines, equation of the bisector of the angle between two lines, concurrency of lines; Centroid, orthocentre, incentre and circumcentre of a triangle.

Equation of a circle in various forms, equations of tangent, normal and chord. Parametric equations of a circle, intersection of a circle with a straight line or a circle, equation of a circle through the points of intersection of two circles and those of a circle and a straight line.

Equations of a parabola, ellipse and hyperbola in standard form, their foci, directrices and eccentricity, parametric equations, equations of tangent and normal. Locus problems.

Three dimensions: Direction cosines and direction ratios, equation of a straight line in space, equation of a plane, distance of a point from a plane.

Differential Calculus

Real valued functions of a real variable, into, onto and one-to-one functions, sum, difference, product and quotient of two functions, composite functions, absolute value, polynomial, rational, trigonometric, exponential and logarithmic functions.

Limit and continuity of a function, limit and continuity of the sum, difference, product and quotient of two functions, L’Hospital rule of evaluation of limits of functions.

Even and odd functions, inverse of a function, continuity of composite functions, intermediate value property of continuous functions.

Derivative of a function, derivative of the sum, difference, product and quotient of two functions, chain rule, derivatives of polynomial, rational, trigonometric, inverse trigonometric, exponential and logarithmic functions.

Derivatives of implicit functions, derivatives up to order two, geometrical interpretation of the derivative, tangents and normals, increasing and decreasing functions, maximum and minimum values of a function, Rolle’s Theorem and Lagrange’s mean value theorem.

Integral Calculus

Integration as the inverse process of differentiation, indefinite integrals of standard functions, definite integrals and their properties, fundamental theorem of integral calculus.

Integration by parts, integration by the methods of substitution and partial fractions, application of definite integrals to the determination of areas involving simple curves. Formation of ordinary differential equations, solution of homogeneous differential equations, separation of variables method, linear first order differential equations

Vectors

Addition of vectors, scalar multiplication, dot and cross products, scalar triple products and their geometrical interpretations.

Sections

JEE Advanced Topics

General

Units and dimensions, dimensional analysis; least count, significant figures; Methods of measurement and error analysis for physical quantities pertaining to the following experiments: Experiments based on using Vernier calipers and screw gauge (micrometer), Determination of g using simple pendulum, Young’s modulus - elasticity of the material Surface tension of water by capillary rise and effect of detergents. Specific heat of a liquid using calorimeter, focal length of a concave mirror and a convex lens using u-v method, Speed of sound using resonance column, Verification of Ohm’s law using voltmeter and ammeter, and specific resistance of the material of a wire using meter bridge and post office box.

Mechanics

Kinematics in one and two dimensions (Cartesian coordinates only), projectiles; Uniform circular motion; Relative velocity.

Newton’s laws of motion; Inertial and uniformly accelerated frames of reference; Static and dynamic friction; Kinetic and potential energy; Work and power; Conservation of linear momentum and mechanical energy.

Systems of particles; Centre of mass and its motion; Impulse; Elastic and inelastic collisions.

Rigid body, moment of inertia, parallel and perpendicular axes theorems, the moment of inertia of uniform bodies with simple geometrical shapes; Angular momentum; Torque; Conservation of angular momentum; Dynamics of rigid bodies with fixed axis of rotation; Rolling without slipping of rings, cylinders and spheres; Equilibrium of rigid bodies; Collision of point masses with rigid bodies. Forced and damped oscillation (in one dimension), resonance. Linear and angular simple harmonic motions. Hooke’s law, Young’s modulus.

Law of gravitation; Gravitational potential and field; Acceleration due to gravity; Motion of planets and satellites in circular orbits; Escape velocity.

Pressure in a fluid; Pascal’s law;Buoyancy; Surface energy and surface tension, angle of contact, drops, bubbles and capillary rise. Viscosity (Poiseuille’s equation excluded), Modulus of rigidity and bulk modulus in mechanics. Stoke’s law; Terminal velocity, Streamline flow, equation of continuity, Bernoulli’s theorem and its applications. Wave motion (plane waves only), longitudinal and transverse waves, superposition of waves; Progressive and stationary waves; Vibration of strings and air columns; Resonance; Beats; Speed of sound in gases; Doppler effect (in sound)

Thermal Physics

Thermal expansion of solids, liquids and gases;

Calorimetry, latent heat;

Heat conduction in one dimension;

Elementary concepts of convection and radiation;

Newton’s law of cooling; Ideal gas laws;

Specific heats (Cv and Cp for monoatomic and diatomic gases); Isothermal and adiabatic processes, bulk modulus of gases; Equivalence of heat and work;

First law of thermodynamics and its applications (only for ideal gases)

Second law of thermodynamics, reversible and irreversible processes, Carnot engine and its efficiency; Blackbody radiation: absorptive and emissive powers; Kirchhoff’s law; Wien’s displacement law, Stefan’s law.

Electricity and Magnetism

Coulomb’s law; Electric field and potential; Electrical potential energy of a system of point charges and of electrical dipoles in a uniform electrostatic field;

Electric field lines; Flux of electric field; Gauss’s law and its application in simple cases, such as, to find field due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell.

Capacitance; Parallel plate capacitor with and without dielectrics; Capacitors in series and parallel; Energy stored in a capacitor. Electric current; Ohm’s law; Series and parallel arrangements of resistances and cells; Kirchhoff’s laws and simple applications; Heating effect of current.

Biot–Savart’s law and Ampere’s law; Magnetic field near a current-carrying straight wire, along the axis of a circular coil and inside a long straight solenoid; Force on a moving charge and on a current-carrying wire in a uniform magnetic field.

Magnetic moment of a current loop; Effect of a uniform magnetic field on a current loop; Moving coil galvanometer, voltmeter, ammeter and their conversions. Electromagnetic induction: Faraday’s law, Lenz’s law; Self and mutual inductance; RC, LR, LC and LCR(in series) circuits with d.c. and a.c. sources.

Optics

Rectilinear propagation of light; Reflection and refraction at plane and spherical surfaces; Total internal reflection; Deviation and dispersion of light by a prism; Thin lenses; Combinations of mirrors and thin lenses; Magnification.

Wave nature of light: Huygen’s principle, interference limited to Young’s double slit experiment. Diffraction due to a single slit. Polarization of light, plane polarized light; Brewster's law, Polaroids.

Modern Physics

Atomic nucleus; α, β and γ radiations; Law of radioactive decay; Decay constant; Half Life and mean life; Binding energy and its calculation; Fission and fusion processes; Energy calculation in these processes.hotoelectric effect; Bohr’s theory of hydrogen-like atoms; Characteristic and continuous X-rays, Moseley’s law; de Broglie wavelength of matter waves.

Category

Expected cutoff

General

87-90

EWS

63-67

OBC

67-72

SC

43-47

ST

25-30

Category

Expected cutoff

General

87-90

EWS

63-67

OBC

67-72

SC

43-47

ST

25-30

JEE Main 2023 session 2

Important dates

Online Submission of JEE Main session 2 Application Form

till March 7, 2023 (up to 9 PM)

Last date for successful transaction of prescribed Application Fee

March 7, 2023 (up to 11.50 PM)

Announcement of the City of Examination

Third week of March

Downloading Admit Cards from the NTA website

Last week of March

JEE Main session 2 exam dates

April 6, 7, 8, 9  10, 11, 12