Physical Chemistry
Bank ~45–50 /100 Chem (~full Physical share)
~50% of Chemistry tags (2020–2026)
ChemistryCommon notes
One page per chapter
Chemistry · common notes
Independent Physical, Inorganic, and Organic pages built for JEE Advanced — 45–75s templates deepened for model choice, trend exceptions, and GOC-gated mechanisms. Each topic below is its own page — methods with impact copy, processed sample questions, and reusable question families.
Study path: open a topic page (not only the portion hub). Read official syllabus + trends (why it matters) → scan mixed joins → method impact → sample → question family. Formulas come last. Aim 45–75 seconds per stem.
How to use
Common practice principle
- 01Principle 1
Advanced Chemistry now integrates topics: thermo↔equilibrium, ionic↔electrochemistry, GOC↔mechanisms, coordination↔bonding logic. Train joins, not isolated chapters.
- 02Principle 2
Physical is a numerical machine; Inorganic is configuration-plus-exception logic grounded in NCERT facts; Organic is a mechanism machine. Keep styles separate, then practise deliberate joins.
- 03Principle 3
First 15 seconds name the family and every chapter the stem touches; the next 30–60 seconds only execute known templates. Write one-line reasons for every MC/MATCH statement.
- 04Principle 4
Open chapter topic pages for full methods, samples, and families — this hub is the routing layer.
Portion overview pages
Hubs (protocol + links)
Inorganic Chemistry
Bank ~23–28 /100 Chem (~full Inorganic share)
~24% of Chemistry tags (2020–2026) — stable; coordination/metallurgy heavy
Organic Chemistry
Bank ~25–30 /100 Chem (~full Organic share)
~27% of Chemistry tags (2020–2026) — rising & accuracy-sensitive
Primary study surface
Chemistry topic notes (complete)
Independent Physical, Inorganic, and Organic Chemistry pages with syllabus mapping, Advanced paper patterns, fast methods, processed samples, and question families for JEE Advanced 2027.
Physical · open a topic page
Mole Concept & Stoichiometry
Mole & Stoichiometry · independent page
Lock a basis, convert everything to moles or equivalents, identify the limiting event, and most mixed-composition or redox stems collapse in under 75 seconds.
Gaseous & Liquid States
Gases & Liquids · independent page
Identify ideal, mixture, kinetic-theory or real-gas mode in 12 seconds; then one state equation plus a physical limit check controls the stem.
Atomic Structure
Atomic Structure · independent page
Separate hydrogen-like formulas from many-electron rules, then use quantum-number legality and energy ordering as fast option filters.
Chemical Bonding & Molecular Structure
Chemical Bonding · independent page
Count valence electrons, build domains or MO occupancy, then derive shape, polarity and magnetism instead of recalling isolated pictures.
Chemical Thermodynamics
Thermodynamics · independent page
Declare system, sign convention and path/state-function status first; then energy, entropy and spontaneity questions become controlled balances.
Chemical Equilibrium
Chemical Equilibrium · independent page
Write the balanced equilibrium expression, compare Q with K, and solve one extent table—direction and composition stop being guesswork, including thermo–equilibrium joins.
Ionic Equilibrium
Ionic Equilibrium · independent page
Do stoichiometric neutralisation first, equilibrium second; this ordering controls acids, buffers, hydrolysis, precipitation and Advanced joins with conductance/Nernst.
Electrochemistry
Electrochemistry · independent page
Balance electrons, lock the cell reaction and Q, then Nernst, Faraday and conductance become controlled substitutions — including Advanced joins with Ksp and ionic equilibrium.
Chemical Kinetics
Kinetics · independent page
Infer order from evidence rather than coefficients, select the matching integrated law, and reserve mechanism claims for elementary steps.
Solid State, Solutions & Surface Chemistry
Solid, Solutions & Surface · independent page
Use unit-cell ownership, solvent chemical-potential lowering and surface coverage as three separate models; mixed statement sets then become fast audits.
Inorganic · open a topic page
Periodicity & Chemical Trends
Periodicity · independent page
Replace memorised arrows with effective nuclear charge, shell number, shielding, configuration, and lattice/hydration arguments.
Hydrogen & s-Block
H + s-Block · independent page
Organise hydrogen and Groups 1–2 by structure, hydration/lattice balance, and Li/Be anomalies instead of disconnected facts.
p-Block Elements (Groups 13–18)
p-Block · independent page
Use group oxidation-state logic and a small reaction bank to control the apparent factual load.
d- and f-Block Elements
d/f-Block · independent page
Derive transition behaviour from d-electron count and master Cr/Mn chemistry through oxidation-state maps.
Coordination Compounds
Coordination · independent page
Turn every complex into oxidation state, d count, geometry, ligand strength, isomer count, and magnetic moment — then audit each MC statement independently.
Principles of Metallurgy
Metallurgy · independent page
Choose each operation from ore type, ΔG, electrode potential, and impurity—not from a memorised factory list.
Qualitative Inorganic Analysis
Salt Analysis · independent page
Treat salt analysis as controlled Ksp, complexation, acid-base, and redox chemistry rather than a list of colours.
Environmental & Green Chemistry
Environment · independent page
Secure the page with one cause→chemistry→effect→control map and the core green-design principles.
Organic · open a topic page
General Organic Chemistry (GOC)
GOC · independent page
Track electron density and intermediate stability before memorising products; one effects ledger then controls most unfamiliar Organic Chemistry stems.
Hydrocarbons (Alkanes · Alkenes · Alkynes)
Hydrocarbons · independent page
Classify the hydrocarbon and reagent regime first; then conformation, radical selectivity or electrophilic addition follows a short decision path.
Benzene & Haloarenes
Benzene & Haloarenes · independent page
Separate ring activation from orientation, then map the operative aromatic substitution mechanism before choosing a product.
Alkyl Halides, Alcohols & Ethers
Halides, Alcohols & Ethers · independent page
Classify substrate and conditions before choosing SN1, SN2, elimination or organomagnesium chemistry; product and stereochemical consequence then follow.
Aldehydes & Ketones
Aldehydes & Ketones · independent page
Read the alpha-hydrogen status and reagent role first; nucleophilic addition, aldol, Cannizzaro or haloform then becomes predictable.
Carboxylic Acids & Derivatives
Carboxylic Acids · independent page
Compare carboxylate stability for acidity and use the acyl-derivative reactivity ladder for conversions; most sequences then need no isolated memorisation.
Amines & Diazonium Salts
Amines & Diazonium · independent page
Track lone-pair availability and nitrogen class first; basicity, Hinsberg, HNO₂ and diazonium outcomes then follow a stable decision tree.
Phenols
Phenols · independent page
Start from phenoxide resonance and ring activation; acidity orders, electrophilic substitution, Kolbe and Reimer–Tiemann products then share one map.
Biomolecules, Polymers & Practical Organic
Biomolecules, Polymers & Practical · independent page
Classify the functional motif before recalling a fact: linkage, monomer functionality and selective-test observations organise this broad unit into short Advanced decision trees.