Topics, explained the way a good teacher would
Short lessons with simple explanations, tables, flowcharts, a labelled diagram, real-life examples and a quick check. New topics are added as students learn them.
Learn a new topic- ChemistryClass 9-10 · CBSEStates of Matter, Latent Heat and MixturesExplore particle theory of matter, comparison of solids/liquids/gases, latent heat of fusion & vaporisation, evaporative cooling, homogeneous vs heterogeneous mixtures, and true solutions vs colloids vs suspensions.
- ChemistryClass 9-10 · CBSEStructure of the Atom: Thomson, Rutherford and Bohr ModelsUnderstand subatomic particles (electrons, protons, neutrons), Thomson’s plum pudding model, Rutherford’s alpha-particle scattering experiment and nuclear model, Bohr’s atomic postulates, electronic configuration shells (2n² rule), valency, isotopes and isobars.
- ChemistryClass 9-10 · CBSECarbon Compounds: Covalent Bonding and Functional GroupsExplore the versatile nature of carbon, tetravalency, catenation, covalent bonding in methane, homologous series of alkanes/alkenes/alkynes, IUPAC functional groups, and the cleaning action of soaps & detergents.
- ChemistryClass 9-10 · CBSEMetals, Non-Metals and the Reactivity SeriesExplore physical and chemical properties of metals vs non-metals, the metal reactivity series, ionic bond formation in NaCl and MgCl2, properties of electrovalent compounds, and basic metallurgical processes.
- ChemistryClass 9-10 · CBSEAcids, Bases, Salts and the Everyday pH ScaleMaster Arrhenius definitions of acids and bases, indicator colour shifts, universal indicator & pH scale, importance of pH in living organisms, and preparation & chemistry of Bleaching Powder, Baking Soda, Washing Soda and Plaster of Paris.
- ChemistryClass 9-10 · CBSEChemical Reactions, Balancing and Types of ChangesLearn how to balance chemical equations using the hit-and-trial method, explore the 5 major types of chemical reactions (combination, decomposition, displacement, double displacement, redox), and understand corrosion & rancidity.
- ChemistryClass 12 / JEE & NEETSurface Chemistry: Adsorption, Catalysis & ColloidsMaster interface chemistry: Physisorption vs Chemisorption, Freundlich adsorption isotherm ($x/m = k p^{1/n}$), Tyndall effect, and Hardy-Schulze coagulation rule.
- ChemistryClass 12 / JEE & NEETPolymers: Synthesis, Biodegradable Polymers & VulcanizationMaster macromolecular chemistry: Addition vs Condensation polymerization, Bakelite thermosetting network, Nylon-6,6, Vulcanization, and PHBV biodegradable polymers.
- ChemistryClass 11 / JEE & NEETAtomic Structure: Quantum Numbers & OrbitalsMaster quantum atomic theory: de Broglie duality, Heisenberg uncertainty principle, Schrödinger wave equation basics, Quantum Numbers ($n, l, m, s$), and Hund's rule.
- ChemistryClass 12 / JEE & NEETSolid State: Unit Cells, Packing Efficiency & DefectsMaster crystal structures: Simple Cubic, BCC, FCC unit cell geometry, packing efficiency derivations, tetrahedral/octahedral voids, and Schottky vs Frenkel defects.
- ChemistryClass 11 / JEE & NEETRedox Reactions & Balancing by Ion-Electron MethodMaster oxidation numbers, disproportionation, balancing complex redox reactions via ion-electron method in acidic and basic media, and Faraday electrolysis laws.
- ChemistryClass 12 / JEE & NEETSolutions & Colligative Properties: Raoult's Law & Van 't Hoff FactorMaster colligative properties: Raoult's law, relative lowering of vapor pressure, boiling elevation, freezing depression, osmotic pressure, and Van 't Hoff factor ($i$).
- ChemistryClass 12 / JEE & NEETAlcohols, Phenols & Ethers: Reactions & MechanismsMaster oxygen-containing functional groups: Phenol acidity vs ethanol, Reimer-Tiemann and Kolbe reactions, Williamson ether synthesis, and cleavage with HI.
- ChemistryClass 12 / JEE & NEETAmines & Diazonium Salts: Basicity & Coupling ReactionsMaster organic nitrogen chemistry: Hoffmann bromamide degradation, basicity trends (gas vs aqueous phase), Sandmeyer reaction, and azo dye coupling.
- ChemistryClass 12 / JEE & NEETBiomolecules: Carbohydrates, Proteins & Nucleic AcidsMaster glucose Haworth structures, mutarotation, peptide bond synthesis, alpha-helix vs beta-sheet protein folding, and DNA Watson-Crick base pairing.
- ChemistryClass 12 / JEE & NEETd- and f-Block Elements & Transition Metal ChemistryMaster 3d transition elements: Lanthanoid contraction, variable oxidation states, spin-only magnetic moments, catalytic properties, and interstitial alloys.
- ChemistryClass 11 / JEE & NEETPeriodic Properties & Trends in the Modern Periodic TableMaster periodic law: Effective Nuclear Charge ($Z_{eff}$), Slater rules, ionization enthalpy anomalies (Be vs B, N vs O), electron gain enthalpy, and electronegativity.
- ChemistryClass 11 / JEE & NEETIonic Equilibrium: pH, Buffer Solutions & Solubility Product (Ksp)Master pH calculations, Henderson-Hasselbalch equation, Common Ion Effect, salt hydrolysis, and selective precipitation using solubility product ($K_{sp}$).
- ChemistryClass 11 / JEE & NEETChemical Equilibrium: Le Chatelier's Principle & Kp vs KcMaster dynamic equilibrium: Kp vs Kc relation, Reaction Quotient (Q), Le Chatelier's response to pressure, temperature, catalysts, and Haber process optimization.
- ChemistryClass 11 & 12 / JEE & NEETChemical Thermodynamics: Enthalpy, Entropy & Gibbs Free EnergyMaster thermodynamic state functions: First Law, Hess Law, Entropy (S), Gibbs Free Energy (ΔG = ΔH - TΔS), and criterion for spontaneity.
- ChemistryClass 12 / JEE & NEETHaloalkanes & Haloarenes: SN1 vs SN2 MechanismsMaster nucleophilic substitution: SN1 carbocation stability vs SN2 backside attack, Walden inversion, stereochemistry, and low reactivity of haloarenes.
- ChemistryClass 12 / JEE & NEETAldehydes, Ketones & Carboxylic Acids (Carbonyl Chemistry)Master carbonyl chemistry: nucleophilic addition, Aldol condensation, Cannizzaro reaction, Fehling/Tollens tests, and carboxylic acid acidity.
- ChemistryClass 12 / JEE & NEETChemical Kinetics: Rate Laws & Arrhenius EquationLearn rate laws, zero & first order integrated rate equations, half-life derivations, pseudo-first order reactions, and activation energy ($E_a$).
- ChemistryClass 12 / JEE & NEETElectrochemistry: Nernst Equation & Galvanic CellsMaster Galvanic Cells, standard electrode potentials, Nernst equation derivation, Kohlrausch law, and battery thermodynamics.
- ChemistryClass 12 / JEE & NEETCoordination Compounds & Crystal Field Theory (CFT)Learn Crystal Field Splitting (Δo and Δt), IUPAC nomenclature of complex ions, high spin vs low spin complexes, and spectrochemical series.
- ChemistryClass 11 & 12 / JEE & NEETChemical Bonding & Molecular Orbital Theory (MOT)Master Molecular Orbital Theory (MOT), Bond Order calculations, VSEPR geometries, and paramagnetic behavior of molecules with step-by-step orbital energy diagrams.