JEE Main 2026 Reduced Syllabus PDF: Deleted Chapters & Topics in PCM

Unit

Detailed Topics

Some Basic Concepts in Chemistry

Physical quantities and their measurements in Chemistry, precision, and accuracy, significant figures. S.I.Units, dimensional analysis

Atomic Structure

Thomson and Rutherford atomic models and their limitations;

States of Matter

The whole chapter is removed

Surface Chemistry

The whole chapter is removed

P- Block Elements

Groupwise study of the p - p-block elements Group -13 Preparation, properties, and uses of boron and aluminium; Structure, properties, and uses of borax, boric acid, diborane, boron trifluoride, aluminium 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; Allotrophic forms of phosphorus; Preparation, properties, structure, and uses of ammonia, nitric acid, phosphine, and phosphorus halides, (PCl3. PCl5); Structures of oxides and oxoacids of nitrogen and phosphorus. Group -16 Preparation, properties, structures, and uses of ozone: Allotropic forms of sulphur; Preparation, properties, structures, and uses of sulphuric acid (including its industrial preparation); Structures of oxoacids of sulphur. 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.

General Principles and Processes of Isolation of Metals

Whole chapters have been removed

Hydrogen

S -Block Elements (Alkali and Alkaline Earth Metals)

Environmental Chemistry

Polymers

Chemistry In Everyday Life

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Download JEE Main 2025 Chemistry Syllabus PDF

Unit

Deleted Topics

Complex Numbers and Quadratic Equations

Square root of a complex number, triangle inequality

Matrices and Determinants

Properties of determinants, elementary transformations

Binomial Theorem and Its Simple Applications

Properties of Binomial coefficients

Sequence and Series

Sum up to n terms of special series; Sn, Sn2, Sn3. Arithmetico-Geometric progression

Limit, Continuity, and Differentiability

Rolle’s and Lagrange’s Mean value Theorems

Integral Calculas

Integral as the limit of a sum

Co-Ordinate Geometry

Translation of axes, Straight line: equations of internal and external by sectors of angles between two lines . Equation of the family of lines passing through the point of intersection of two lines.

Circle, conic sections: Condition for a line to be tangent to a circle, equation of the tangent. condition for Y = mx +c to be a tangent and point (s) of tangency.

Three Dimensional Geometry

Equations of a line and a plane in different forms, the intersection of a line and a plane, coplanar lines

Vector Algebra

Scalar and vector triple product

Statistics and Probability

Bernoulli trials, and binomial distribution

Trigonometry

Heights, and distance

Mathematical Inductions

Whole chapter removed

Mathematical Reasoning

Unit

Deleted Topics

Physics and Measurement

Physics, technology, and society, accuracy and precision of measuring instruments

Kinematics

zero vector

Gravitation

Geostationary satellites

Properties of Solids And Liquids

Reynolds number, Newton’s law of cooling.

Thermodynamics

Carnot engine and its efficiency

Oscillations and Waves

Free, forced and damped oscillations, resonance, Doppler Effect in sound.

Current Electricity

Resistances of different materials, Colour code for resistors; Potentiometer - principle and its applications.

Magnetic Effects of Current and Magnetism

Cyclotron, Earth’s magnetic field and magnetic elements. Magnetic susceptibility and permeability. Hysteresis. Electromagnets and permanent magnets.

Electromagnetic Induction and Alternating Currents

Quality factor

Optics

Resolving power of microscopes and astronomical telescopes

Dual Nature of Matter and Radiation

Davisson-Germer experiment

Atoms and Nuclei

Isotopes, isobars: isotones. Radioactivity- alpha. beta and gamma particles/rays and their properties; radioactive decay law.

Communication Systems

Whole chapter is removed

Electronic Devices

Junction transistor, transistor action, characteristics of a transistor: transistor as an amplifier (common emitter configuration) and oscillator. Transistor as a switch.

Unit

New Topics Added

Physics and Measurement

Units of measurements, System of Units, S I Units

Work, Energy, and Power

Motion in a vertical circle

Rotational Motion

Equilibrium of rigid bodies, comparison of linear and rotational motions

Gravitation

Motion of a satellite, period, and energy of satellite

Properties of Solids And Liquids

Effect of gravity on fluid pressure, critical velocity, excess of pressure across a curved surface.

Thermodynamics

Isothermal and adiabatic processes

Electrostatics

Potential difference

Current Electricity

mobility, and their relation with electric current, conductivity

Magnetic Effects of Current and Magnetism

Magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole in a uniform magnetic field, the effect of temperature on magnetic properties.

Electromagnetic Waves

Displacement current