JEEMain.NTA.NIC.In 2022 : Syllabus

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

Topics are classified in three parts

• Solid 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,voids, calculations involving unit cell parameters, an imperfection in solids, Electrical and magnetic properties

• Liquid Properties of liquids-vapor pressure, viscosity and surface tension, effect of temperature on them
• Gaseous Measurable properties of gasses: 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 gasses,

Concept of average, root mean square and most probable velocities, Real gasses, deviation from Ideal behavior,

compressibility factor, and van der Waals equation

• Thomson and Rutherford atomic models and their limitations, Nature of electromagnetic radiation, photoelectric effect;
• Spectrum of the hydrogen atom, Bohr model of a hydrogen atom and its postulates, derivation of the relations for the 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,
• Elementary ideas of quantum mechanics, quantum mechanics, the quantum mechanical model of the atom and its important features,
• Concept of atomic orbitals as one-electron wave functions, variations in various 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