Chemistry is one of the most important and scoring subjects in Class 12 Board Exams as well as competitive exams like NEET, CUET, JEE (Basics). Many students struggle because the syllabus is vast and concepts are interconnected. To solve this problem, Class 12 Chemistry Chapter Wise Notes PDF is the best solution for quick understanding, revision, and exam preparation.
In this blog, you will get chapter-wise Chemistry notes, including important concepts, formulas, reactions, and key points from Physical, Organic, and Inorganic Chemistry, strictly based on the latest NCERT syllabus. These notes are ideal for last-minute revision, concept clarity, and high exam scores.
Class 12 Chemistry Chapter Wise Notes PDF | Organic, Inorganic & Physical
Why Class 12 Chemistry Chapter Wise Notes PDF is Important
- Covers complete NCERT syllabus
- Easy to revise before exams
- Helps in Board + Competitive exams
- Includes important formulas & reactions
- Saves time compared to textbooks
- Perfect for self-study
Class 12 Chemistry Syllabus Overview
Class 12 Chemistry is divided into three major parts:
- Physical Chemistry
- Organic Chemistry
- Inorganic Chemistry
Below you will find chapter-wise notes summary for each section.
PHYSICAL CHEMISTRY – Chapter Wise Notes
Chapter 1: The Solid State
- Types of solids: crystalline & amorphous
- Unit cell and its types
- Packing efficiency
- Density of unit cell formula
- Defects in solids (Schottky & Frenkel)
Important Formula:
Density = (Z × M) / (a³ × NA)
Chapter 2: Solutions
- Types of solutions
- Concentration terms (Molarity, Molality)
- Raoult’s Law
- Colligative properties
- Abnormal molar mass
Key Formulas:
- Molarity = moles of solute / volume of solution
- Relative lowering of vapor pressure
Chapter 3: Electrochemistry
- Electrochemical cells
- Nernst equation
- EMF of cell
- Conductance and its types
- Faraday’s laws of electrolysis
Important Formula:
Ecell = E°cell – (0.059/n) log Q
Chapter 4: Chemical Kinetics
- Rate of reaction
- Order and molecularity
- Integrated rate equations
- Half-life of reactions
- Arrhenius equation
Chapter 5: Surface Chemistry
- Adsorption
- Types of catalysts
- Colloids and emulsions
- Applications of surface chemistry
ORGANIC CHEMISTRY – Chapter Wise Notes
Chapter 6: General Principles and Processes of Isolation of Elements
(Sometimes grouped with metallurgy – basic concepts)
Chapter 7: Hydrocarbons
- Alkanes, Alkenes, Alkynes
- Nomenclature
- Methods of preparation
- Important reactions
- Isomerism
Chapter 8: Haloalkanes and Haloarenes
- Classification
- SN1 & SN2 reactions
- Preparation methods
- Uses and properties
Chapter 9: Alcohols, Phenols and Ethers
- Methods of preparation
- Chemical properties
- Important reactions
- Distinction tests
Very Important for Board Exams
Chapter 10: Aldehydes, Ketones and Carboxylic Acids
- Nucleophilic addition reactions
- Oxidation and reduction
- Aldol condensation
- Cannizzaro reaction
Chapter 11: Amines
- Classification of amines
- Preparation methods
- Hoffmann bromamide reaction
- Diazotization
- Importance in daily life
Chapter 12: Biomolecules
- Carbohydrates
- Proteins
- Vitamins
- Nucleic acids
Scoring Chapter
Chapter 13: Polymers
- Types of polymers
- Natural and synthetic polymers
- Uses and examples
Chapter 14: Chemistry in Everyday Life
- Drugs and medicines
- Soaps and detergents
- Food preservative
INORGANIC CHEMISTRY – Chapter Wise Notes
Chapter 15: p-Block Elements
- Group 15, 16, 17 & 18 elements
- Important compounds
- Trends and properties
Chapter 16: d and f Block Elements
- Transition elements
- Properties
- Important compounds
- Lanthanides & Actinides
Chapter 17: Coordination Compounds
- Werner’s theory
- Types of ligands
- Isomerism
- Bonding theories
- Applications
Most Important Chapter for Exams
Important Formula Sheet – Class 12 Chemistry
- Electrochemistry formulas
- Chemical kinetics equations
- Colligative properties
- Solid state formulas
- Thermodynamic relations
👉 Best for quick revision before exam
Benefits of Chapter Wise Notes PDF
- Easy to download and revise
- Clear explanation in simple language
- NCERT-based content
- Suitable for Board + NEET + CUET
- Improves conceptual understanding
How to Use These Notes for Maximum Marks
- Read NCERT textbook first
- Use notes for revision
- Practice numericals & reactions
- Revise formulas daily
- Solve previous year questions
FAQs
Q1. Are Class 12 Chemistry Chapter Wise Notes PDF enough for board exams?
Yes, if you study NCERT along with these notes, they are sufficient for scoring good marks.
Q2. Are these notes useful for NEET and CUET?
Yes, these notes cover all NCERT-based concepts required for NEET and CUET.
Q3. Which section is most scoring in Class 12 Chemistry?
Organic Chemistry and Coordination Compounds are considered highly scoring.
Q4. Should I memorize reactions or understand them?
You should understand reactions first, then memorize important ones.
Q5. Are formulas important in Chemistry?
Yes, especially in Physical Chemistry, formulas are very important.
Conclusion
Class 12 Chemistry Chapter Wise Notes PDF is the best resource for students who want clear concepts, quick revision, and high marks. Whether you are preparing for Board Exams, NEET, or CUET, these notes will help you save time and improve accuracy. Make sure to revise regularly and practice questions for best results.
Class 12 Chemistry Important Questions (Chapter Wise)
🔥 PHYSICAL CHEMISTRY – Important Questions
The Solid State
- What is a unit cell? Name different types of unit cells.
- Derive the formula for density of a unit cell.
- What are point defects? Explain Schottky and Frenkel defects.
- Why are ionic solids hard but brittle? (Board favourite)
Solutions
- Define molarity and molality. Write their units.
- State Raoult’s law for ideal solutions.
- What are colligative properties? Name them.
- Why does molarity change with temperature but molality does not?
Electrochemistry
- Write the Nernst equation for an electrochemical cell.
- What is EMF of a cell? How is it related to Gibbs free energy?
- State Faraday’s laws of electrolysis.
- Why is conductivity of electrolytes affected by dilution?
Chemical Kinetics
- Define rate of reaction and rate constant.
- What is order of reaction? How is it different from molecularity?
- Write the integrated rate equation for first order reaction.
- What is half-life of a reaction?
Surface Chemistry
- What is adsorption? Distinguish between physisorption and chemisorption.
- What are colloids? Write their types.
- What is catalysis? Give examples.
🧪 ORGANIC CHEMISTRY – Important Questions
Haloalkanes and Haloarenes
- What is SN1 and SN2 reaction? Explain with example.
- Why is iodoform reaction important?
- Arrange haloalkanes in increasing order of reactivity.
Alcohols, Phenols and Ethers
- Why is phenol more acidic than alcohol?
- Write the preparation of ethanol from ethene.
- What is Williamson synthesis?
- Give two tests to distinguish alcohol and phenol. (Very Important)
Aldehydes, Ketones and Carboxylic Acids
- What is Cannizzaro reaction?
- Write aldol condensation reaction with example.
- How will you distinguish aldehyde and ketone?
- Why are carboxylic acids acidic in nature?
Amines
- What is Hoffmann bromamide reaction?
- Why are amines basic in nature?
- What is diazotization reaction?
- Write uses of amines.
Biomolecules
- What are carbohydrates? Give examples.
- Differentiate between glucose and fructose.
- What are proteins? Explain their functions.
- What are enzymes?
Polymers
- What are polymers? Name different types.
- What is addition and condensation polymerization?
- Write uses of synthetic polymers.
Chemistry in Everyday Life
- What are drugs? Explain their classification.
- What are detergents? How are they better than soaps?
- Write the role of preservatives in food.
🧬 INORGANIC CHEMISTRY – Important Questions
p-Block Elements
- Why does nitrogen show catenation?
- What is ammonia? Write its preparation and properties.
- Write properties of group 17 elements.
d and f Block Elements
- Why do transition elements show variable oxidation states?
- What are lanthanides? Explain lanthanide contraction.
- Write important uses of transition metals.
Coordination Compounds ⭐ (MOST SEARCHED)
- What are coordination compounds? Give examples.
- Explain Werner’s theory.
- What is coordination number?
- Explain geometrical and optical isomerism.
- Write applications of coordination compounds.