Class 12 Chemistry, Part 1 (NCERT)
NCERT's Class 12 Chemistry Part 1, explained through laws, examples, illustrations and real-life uses instead of rote memorisation. See how chemistry connects to everyday life, industry, energy and the environment, and practise the problems that build real understanding.
Solutions
Chapter 1
Chapter 1 · Start here
Solutions
How to express concentration, how gases and liquids dissolve, and the colligative properties that let you find molar masses.
Sprint 1
Expressing Concentration
Mass percent, mole fraction, molarity and molality, and how to convert between them.
Sprint 2
Solubility And Henry's Law
How pressure changes how much gas dissolves in a liquid.
Sprint 3
Vapour Pressure And Raoult's Law
Calculate the vapour pressure of a mixture, and predict when a solution will deviate from Raoult's law.
Sprint 4
Colligative Properties: Vapour Pressure And Boiling Point
Find molar mass from the lowering of vapour pressure and the rise in boiling point.
Sprint 5
Colligative Properties: Freezing Point And Osmosis
Find molar mass from the drop in freezing point and from osmotic pressure.
Sprint 6
Abnormal Molar Masses
Use the van't Hoff factor when a solute splits apart or joins together in solution.
Sprint 7
Chapter Review: Solutions
Put concentration, vapour pressure and colligative properties together on multi-step problems.
Electrochemistry
Chapter 2Chapter 2 · Start here
Electrochemistry
How chemical reactions make electricity and electricity drives reactions: cells, the Nernst equation, conductance, electrolysis, batteries and corrosion.
Sprint 8
Galvanic Cells And Standard Potentials
Understand the function of a galvanic cell and calculate its standard cell potential using standard electrode potentials.
Sprint 9
The Nernst Equation & Thermodynamics
Use the Nernst equation to calculate non-standard cell potentials and link them to equilibrium constants and Gibbs energy.
Sprint 10
Conductance Of Electrolytic Solutions
Define resistivity, conductivity, and molar conductivity, and apply Kohlrausch's law to determine limiting molar conductivity.
Sprint 11
Electrolytic Cells And Electrolysis
Predict products of electrolysis and calculate the mass of products using Faraday's Laws.
Sprint 12
Batteries, Fuel Cells, And Corrosion
Identify the chemical reactions and functions of commercial batteries, fuel cells, and the mechanism of corrosion.
Sprint 13
Review & Practice
Synthesize and apply electrochemical principles across varied standard and non-standard problem scenarios.
Chemical Kinetics
Chapter 3Chapter 3 · Start here
Chemical Kinetics
How fast reactions go, rate laws and order, half-life, and how temperature and catalysts change the rate.
Sprint 14
Rate Of A Chemical Reaction
Distinguish between average and instantaneous rate and express rate using stoichiometric coefficients.
Sprint 15
Rate Law, Order, And Molecularity
Define rate law, determine order and rate constant units, and differentiate between order and molecularity.
Sprint 16
Integrated Rate Equations
Derive and apply integrated rate equations for zero and first order reactions.
Sprint 17
Half-Life And Pseudo First Order Reactions
Calculate reaction half-lives and recognize reactions driven into pseudo-first-order conditions.
Sprint 18
Temperature Dependence And Arrhenius Equation
Use the Arrhenius equation to calculate activation energy and explain how temperature and catalysts influence reaction rates.
Sprint 19
Collision Theory Of Chemical Reactions
Incorporate collision frequency, activation energy, and the steric factor into a comprehensive model of reaction rates.
Sprint 20
Chapter Review: Chemical Kinetics
Synthesize kinetics concepts, rate laws, and Arrhenius calculations across the entire chapter.