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CBSE Class 12 Chemistry — Revision Notes

CBSE Class 12 Chemistry revision notes, chapter by chapter across 10 chapters. Starts with Solutions, Haloalkanes and Haloarenes and Electrochemistry.

How to Revise Effectively

  • Active recall: cover the notes, try to recall the key points, then check.
  • Spaced repetition: revise each chapter again after a day, then after a few days, then after a week or two.
  • Write, don't just read: writing key points and formulas out by hand helps them stick.
  • Teach someone: explaining an idea to a friend is a good test of whether you understand it.

Chapter-Wise Revision Notes — 10 Chapters

1

Solutions

4 topics
  • 1. Types of Solutions and Concentration Units
  • 2. Solubility and Henry's Law
  • 3. Vapour Pressure of Liquid Solutions and Raoult's Law
  • 4. Ideal Solutions, Non-Ideal Solutions, and Azeotropes
Binary solutions may be gaseousConcentration is expressed as mass %Solubility is the maximum amountThe solubility of solids in liquidsAt constant temperature
Read the Solutions notes
2

Haloalkanes and Haloarenes

4 topics
  • 1. Classification and Nomenclature
  • 2. Preparation of Haloalkanes and Haloarenes
  • 3. Physical Properties
  • 4. Nucleophilic Substitution in Haloalkanes
Halogenated compounds are classified as monoHaloalkanes have halogen attached to sp3Haloalkanes are prepared from alcohols usingHaloarenes are prepared mainly by electrophilicThe carbon
Read the Haloalkanes and Haloarenes notes
3

Electrochemistry

4 topics
  • 1. Electrochemical Cells and Electrode Potentials
  • 2. Nernst Equation, Equilibrium Constant, and Gibbs Energy
  • 3. Conductance, Resistivity, Conductivity, and Molar Conductivity
  • 4. Kohlrausch Law and Weak Electrolytes
A galvanic or voltaic cell convertsAn electrolytic cell uses external electricalStandard electrode potential is the electrodeThe Nernst equation gives the electrodeThe standard cell potential is related
Read the Electrochemistry notes

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Frequently Asked Questions

Where can I find CBSE Class 12 Chemistry Revision Notes?

This page has revision notes for 10 chapters of CBSE Class 12 Chemistry for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Browse Revision Notes by Chapter

10 chapters

1

Solutions

2

Haloalkanes and Haloarenes

3

Electrochemistry

4

Alcohols, Phenols and Ethers

5

Chemical Kinetics

6

Aldehydes, Ketones and Carboxylic Acids

7

The d-and f-Block Elements

8

Amines

9

Coordination Compounds

10

Biomolecules

More Chemistry Resources

CBSE Class 12

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Formula Sheet

The formulas of each chapter in one place

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

NCERT Solutions

Every textbook exercise solved step by step

Other CBSE Class 12 Subjects

PhysicsMathematicsBiologyEnglishComputer ScienceAccountancyBusiness StudiesEconomics