Class 11 Chemistry Part 1

Nature of matter and its measurement, scientific notation and significant figures, the laws of chemical combination, atomic and molecular masses, the mole concept, concentration terms and stoichiometric calculations, with official NCERT figures and real JEE Main questions.

Discovery of the electron, proton and neutron, Thomson and Rutherford models, electromagnetic radiation and atomic spectra, the Bohr model, de Broglie waves and the uncertainty principle, quantum numbers and orbital shapes, and the rules that build electronic configurations, with official NCERT figures and real JEE Mai

Early attempts at classifying elements, Mendeleev's table and its limits, the modern periodic law and the long form of the periodic table, blocks of elements, and the periodic trends in atomic and ionic radii, ionization enthalpy, electron gain enthalpy and electronegativity, with official NCERT figures and real JEE Ma

Ionic bonding and lattice enthalpy, bond parameters, Lewis structures and formal charge, VSEPR shapes, hybridisation, resonance and dipole moment, molecular orbital theory and bond order, and hydrogen bonding, with official NCERT figures and real JEE Main questions.

System and surroundings, the first law and its applications, enthalpy and calorimetry, Hess's law and bond enthalpies, entropy and the second law, Gibbs energy and spontaneity, with official NCERT figures and real JEE Main questions.

Physical and chemical equilibrium, the law of mass action, Kc and Kp, the reaction quotient and Le Chatelier's principle, ionic equilibrium with acids, bases and buffers, salt hydrolysis, the solubility product, and the link between Gibbs energy and the equilibrium constant, with official NCERT figures and real JEE Mai