Topic Trends
See which topics appear most — focus on the hot ones! 🔥
🏆 Top 10 Most Tested Topics
📚 By Chapter
Chemical Bonding
Hybridization + VSEPR + Shapes
Class 11 · 75 min
Molecular Orbital Theory (MOT)
Class 11 · 75 min
Ionic Bond — Lattice energy, Born-Haber cycle
Class 11 · 75 min
Lewis Structures — Octets, formal charge
Class 11 · 75 min
VSEPR Theory — Shapes of molecules
Class 11 · 75 min
Dipole Moment — Polarity, zero dipole
Class 11 · 75 min
Molecular Orbital Theory — σ, π bonds, bond order
Class 11 · 75 min
Hybridization — sp, sp², sp³, sp³d, sp³d²
Class 11 · 75 min
MOT — Paramagnetic vs diamagnetic
Class 11 · 60 min
Hydrogen Bonding — Intermolecular, intramolecular
Class 11 · 45 min
Resonance — Structures, stability
Class 11 · 75 min
VSEPR — Bond angles in molecules
Class 11 · 75 min
Aldehydes Ketones Carboxylic Acids
Coordination Compounds
IUPAC + Isomerism in Coordination Compounds
Class 12 · 90 min
Crystal Field Theory (CFT) + Colour + Magnetism
Class 12 · 75 min
IUPAC Nomenclature — Naming complex compounds
Class 12 · 90 min
Werner's Theory — Primary and secondary valency
Class 12 · 60 min
Isomerism — Geometric, optical, ionization, linkage
Class 12 · 75 min
VBT — Hybridization, inner/outer orbital complexes
Class 12 · 75 min
Crystal Field Theory — Strong vs weak field, CFSE
Class 12 · 75 min
Magnetic Properties — Spin-only formula
Class 12 · 60 min
Stability — Chelate effect, stability constants
Class 12 · 60 min
Colour of Complexes — d-d transitions
Class 12 · 60 min
p-block Elements
Electrochemistry
Nernst Equation + Cell EMF
Class 12 · 75 min
Faraday's Laws of Electrolysis
Class 12 · 45 min
Conductance — Λm, Kohlrausch's law
Class 12 · 60 min
Nernst Equation — Concentration effect on EMF
Class 12 · 60 min
EMF of Cell — E°cell = E°cathode - E°anode
Class 12 · 40 min
Electrode Potential — Standard reduction potential, SHE
Class 12 · 75 min
Electrochemical Cell — Galvanic, notation, cell reaction
Class 12 · 75 min
Gibbs Energy & EMF — ΔG = -nFE
Class 12 · 75 min
Electrolysis — Faraday's first and second laws
Class 12 · 75 min
Ionic Equilibrium
Thermodynamics & Thermochemistry
Thermodynamics — ΔG ΔH ΔS + Hess's Law
Class 11 · 75 min
Kirchhoff's Law — ΔH vs temperature
Class 11 · 50 min
Enthalpy — ΔH, ΔU, relation between them
Class 11 · 60 min
Hess's Law — Enthalpy calculations
Class 11 · 75 min
Entropy — ΔS, spontaneity
Class 11 · 60 min
Bond Enthalpy — Calculating ΔH from bond energies
Class 11 · 60 min
Gibbs Free Energy — ΔG = ΔH - TΔS
Class 11 · 75 min
Standard Enthalpy — Formation, combustion, neutralization
Class 11 · 75 min
Lattice Enthalpy — Born-Haber cycle
Class 11 · 75 min
GOC
Chemical Kinetics
Solutions
Colligative Properties — ΔTb ΔTf Osmosis
Class 12 · 75 min
Vapour Pressure + Raoult's Law
Class 12 · 75 min
Concentration Terms — All types (molarity, molality, etc.)
Class 12 · 75 min
Abnormal Molar Mass — Van't Hoff factor, association, dissociation
Class 12 · 60 min
Henry's Law — Gas solubility
Class 12 · 60 min
Azeotropes — Maximum and minimum boiling
Class 12 · 40 min
Vapour Pressure — Raoult's law, ideal solutions
Class 12 · 75 min
Colligative Properties — ΔTb, ΔTf, π (osmosis)
Class 12 · 75 min
Surface Chemistry
Haloalkanes & Haloarenes
Atomic Structure
Electronic Configuration + Quantum Numbers
Class 11 · 75 min
de Broglie & Heisenberg in Chemistry
Class 11 · 60 min
Exceptional Configurations — Cr, Cu
Class 11 · 20 min
Electronic Configuration — Aufbau, Pauli, Hund's rule
Class 11 · 60 min
Orbitals — Shapes of s, p, d orbitals
Class 11 · 50 min
Photoelectric Effect — Chemistry perspective
Class 11 · 60 min
Bohr's Model — Electron energy, radius (same as Physics)
Class 11 · 60 min
Quantum Numbers — n, l, m, s — allowed values
Class 11 · 60 min
Mole Concept
Biomolecules
Nitrogen Compounds
Solid State
d-block & f-block Elements
Chemical Equilibrium
Metallurgy
Aldehydes, Ketones & Carboxylic Acids
Nucleophilic Addition — Mechanism with HCN, RMgX
Class 12 · 60 min
Cannizzaro Reaction — Non-enolizable aldehydes
Class 12 · 50 min
Hell-Volhard-Zelinsky (HVZ) Reaction
Class 12 · 40 min
Carboxylic Acid Reactions — Acidic strength, esterification
Class 12 · 75 min
Tollens' & Fehling's Test — Distinguishing
Class 12 · 45 min
Clemmensen & Wolff-Kishner Reduction
Class 12 · 40 min
Aldol Condensation — Mechanism, crossed aldol
Class 12 · 75 min
Relative Reactivity — Aldehydes vs ketones
Class 12 · 60 min
p-block Elements (Class 12 — Groups 15, 16, 17, 18)
Group 16 — Oxygen family, allotropes of S
Class 12 · 75 min
Nitrogen Compounds — NH₃, HNO₃, NO, NO₂
Class 12 · 75 min
Group 15 — Nitrogen family, allotropes of P, structures
Class 12 · 75 min
Oxoacids — All major oxoacids of N, P, S, Cl
Class 12 · 90 min
Group 18 — Noble gases, properties, compounds of Xe
Class 12 · 75 min
Halogen Compounds — HF, HCl, HBr, HI comparisons
Class 12 · 60 min
Group 17 — Halogens, trends, interhalogen compounds
Class 12 · 90 min
Phosphorus Compounds — PCl₃, PCl₅, oxoacids
Class 12 · 90 min
Sulphur Compounds — H₂S, SO₂, SO₃, H₂SO₄
Class 12 · 105 min
p-block Elements (Class 11 — Groups 13 & 14)
Group 14 — Carbon family, allotropes of carbon
Class 11 · 75 min
Group 13 — Boron family, properties, anomalous behavior of B
Class 11 · 75 min
Boron Compounds — Borax, boric acid, diborane
Class 11 · 75 min
Aluminium — Reactions, alum
Class 11 · 75 min
Silicon — SiO₂, silicates, silicones
Class 11 · 60 min
Trends — Ionization, electronegativity, oxidation states
Class 11 · 75 min
Carbon Compounds — CO, CO₂, carbonate reactions
Class 11 · 75 min
d & f-block Elements
Transition Metal Trends — IE, atomic radius, melting point
Class 12 · 75 min
f-block — Lanthanides vs actinides comparison
Class 12 · 50 min
Important Compounds — KMnO₄, K₂Cr₂O₇ — reactions
Class 12 · 75 min
d-block Properties — Variable oxidation state, colour, magnetism
Class 12 · 75 min
Lanthanoid Contraction — Cause, consequences
Class 12 · 40 min