CBSE Class Twelve Board Exam Chemistry 2026
CBSE Class Twelve Board Exam Chemistry
CBSE Class 12 Chemistry notes have been curated as per the new CBSE syllabus. A total of 10 chapters have been covered along with the respective NCERT Solutions, practicals, popular reference books and handwritten notes. CBSE Class 12 notes can also be used for revision purposes for the students to prepare for their Class 12 Board exam.
CBSE Class 12 Chemistry Notes & Syllabus
CBSE Class 12 Chemistry syllabus has given 70% weightage to theory and the remaining 30% to practicals. The new CBSE Class 12 Chemistry syllabus for the AY 2022-23 is tabulated below.
| S.no | Title | No. of Periods | Marks Allotted |
|---|---|---|---|
| 1 | Solutions | 15 | 7 |
| 2 | Electrochemistry | 18 | 9 |
| 3 | Chemical Kinetics | 15 | 7 |
| 4 | d -and f -Block Elements | 18 | 7 |
| 5 | Coordination Compounds | 18 | 7 |
| 6 | Haloalkanes and Haloarenes | 15 | 6 |
| 7 | Alcohols, Phenols and Ethers | 14 | 6 |
| 8 | Aldehydes, Ketones and Carboxylic Acids | 15 | 8 |
| 9 | Amines | 14 | 6 |
| 10 | Biomolecules | 18 | 7 |
| Total | 160 | 70 | |
Chapter 1: Solutions
This chapter deals with the idea of Solutions, along with it’s properties, Ideal and Non-ideal, Azeotrope, Factors Affecting Solubility. Here are the important notes from this chapter-
- Types of solutions
- Concentration of solutions
- Solubility of gases in liquids
- Colligative properties
- Relative lowering of vapour pressure
- Elevation of boiling point
- Depression of freezing point
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Saturated Solution | Mole fraction | Azeotropic Distillation |
| Mass Percentage (w/w) | Abnormal molecular mass | Mass Percent Formula |
| Solubility Curve | Solubility Formula | Percent By Weight Formula |
| Osmotic Pressure Equation | NCERT Solutions for Class 12 Chemistry Solutions | Handwritten Notes for Class 12 Chemistry Solutions |
Expected Number of questions: Around 2 to 3 questions of 1 to 3 marks
Chapter 2: Electrochemistry
This chapter can be considered as the introductory chapter to Electrochemistry, along with related topics like- Electrochemical Cells, Batteries, Electrolytic Cell. Here are the important topics from this chapter-
- Redox reactions
- Nernst equation and its application to chemical cells
- Specific and molar conductivity
- Electrolysis and law of electrolysis
- Dry cell-electrolytic cells and Galvanic cells
- Fuel cells
- Corrosion
Expected Number of questions: 1 to 3 questions of 1 - 3 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Difference Between Cell and Battery | Reduction Potential | Concentration Cell |
| Nonelectrolyte | Standard Hydrogen Electrode | Standard Electrode Potential |
| Cell Potential | Anode And Cathode | Quantitative Aspects of Electrolysis |
| Faraday’s Laws of Electrolysis | Variations Molar Conductivity | Electrolysis Products |
| Electrochemistry MCQ | NCERT Solutions for Class 12 Chemistry Electrochemistry | Handwritten Notes for Class 12 Chemistry Electrochemistry |
Chapter 3: Chemical Kinetics
This chapter deals with the basic ideas related to Chemical Kinetics, such as- Surface Chemistry, First Order Reactions, Pseudo First Order Reaction. Here are the important topics from this chapter-
- Rate of a reaction (Average and instantaneous)
- Activation energy
- Arrhenius equation
- Integrated Rate Equations
- Order of Reaction
- Arrhenius Equation
- Zero Order Reaction
Expected Number of questions: 1 to 3 questions of 1 - 3 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Rate Determining Step | Second Order Reactions | Elementary Reactions |
| Half Life Formula | Electroosmosis | Adsorbent |
| Temperature Dependence On Chemical Reaction | Rate Law | Inversion Chemical Reaction |
| Concept of collision theory | NCERT Solutions for Class 12 Chemistry Chemical Kinetics | Handwritten Note for Class 12 Chemistry Chemical Kinetics |
Chepter 4: d and f Block Elements
Though the students are introduced to the concept of Periodic Table before, this particular chapter deals with the d and f block elements especially as well as the related concepts like- Chlorine, lanthanoids contraction, Actinium. Here are the important topics from this chapter-
- Transition metals
- K2Cr2O7 and KMnO4.
- Actinoids
- Group 18 Elements
- Hydrogen Chloride
- Lanthanum
- Magnetic properties transition elements
Expected Number of questions: 1 to 4 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Colour Transition Elements | NCERT Solutions for Class 12 Chemistry d & f Block Elements | Handwritten Notes for Class 12 Chemistry d & f Block Elements |
Chapter 5: Coordination Compounds
In this chapter the ideas of Coordination Compounds along with other related concepts like- Coordination number, Wilkinsons Catalyst. Here are the important topics from this chapter-
- Structure and stereoisomerism
- Werner’s Theory of Coordination Compounds
- Isomerism in Coordination Compounds
- Bonding in Metal Carbonyls
- Lewis acids
- Ligands
Expected Number of questions: 1 to 4 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Nomenclature of Coordination Compounds | Chelate | Intermetallic Compound |
| Coordination Compounds MCQ | NCERT Solutions for Class 12 Chemistry Coordination Compounds | Handwritten Note for Class 12 Chemistry Coordination Compounds |
Chapter 6: Haloalkanes and Haloarenes
In this chapter the concept of Haloalkanes and Haloarenes are described with other concepts like Finkelstein reaction, optical isomerism, Enantiomers and Ester Hydrolysis. Here are the important topics from this chapter-
- Classification of Haloalkenes and Haloarenes
- Nomenclature of Haloalkenes and Haloarenes
- Physical Properties of Haloalkenes and Haloarenes
- Chemical Reactions of Haloalkenes and Haloarenes
- Grignard reagent
- Iodoform, freons, DDT
Expected Number of questions: 1 to 5 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Wurtz Reaction | sn1 Reaction | sn2 Reaction |
| Racemic Mixture | Nucleophilic Substitution | Elimination Reactions |
| Halides | Stereochemistry | Nature Of C X Bond |
| Hunsdiecker Reaction | Handwritten Notes for Class 12 Chemistry Haloalkenes and Haloarenes | NCERT Solutions for Class 12 Chemistry Haloalkanes and Haloarenes |
Chapter 7: Alcohols, Phenols and Ethers
This chapter deals with Alcohols, Phenols and Ethers along with other related cocepts like- Reimer Tiemann reaction, Friedel Crafts reaction, Lucas Test etc. Here are the important topics from this chapter-
- Nomenclature of Alcohols
- Primary, secondary and tertiary alcohols
- Mechanism of dehydration
- Methanol and ethanol
- Phenol preparation
- Ether preparation
- Benzyl Alcohol
- Difference Between Ethanol And Methanol
- Difference Between Aldehydes and Ketones
Expected Number of questions: 1 to 5 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Ortho Effect | Wittig Reaction | Williamson Synthesis |
| Electrophilic Aromatic Substitution | Halogenation | Kolbes Reaction |
| Physical Chemical Properties Of Alcohols | Preparation Of Alcohols | Test For Alcoholic Group |
| What Is Hydroboration | NCERT Solutions for Class 12 Chemistry Alcohols, Phenols, and Ethers | Handwritten Notes for Class 12 Chemistry Alcohols, Phenols and Ethers |
Chapter 8: Aldehydes, Ketones and Carboxylic Acids
In this chapter the core topics related to Aldehydes, Ketones and Carboxylic Acids. This chapter also deals with other important topics like- Nucleophilic Addition Reaction , Etard reaction, Aldol condensation, Carbonyl Compounds and Iodoform Test. Here are the other important notes for Aldehydes, Ketones and Carboxylic Acids chapter-
- Nomenclature of Aldehydes and Ketones
- Physical and chemical properties of Aldehydes and Ketones
- Carboxylic Acids
- Aldol condensation
- Cannizzaro reaction
- Iodoform Test
- Carbonyl Compounds
Expected Number of questions: 2 to 6 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Cannizzaro Reaction Mechanism | Acidity Of Carboxylic Acids | Clemmesen Reduction Reaction |
| Transesterification | Aldehyde | Gatterman – Koch Reaction |
| Friedel-Crafts Acylation Reaction | Benzene or Substituted Benzenes | Wolff-Kishner Reduction |
| Esterification | Hell-Volhard-Zelinsky Reaction | 2 4 dinitrophenylhydrazine |
| Acetaldehyde | Acetamide | Acetone |
| Acetonitrile | Acetylation | Acid Anhydrides |
| Diethyl Ether | Ester | Malonic Acid |
| Aldehyde And Ketone General Formula | Propionic Acid Formula | Preparation Of Aldehydes |
| Stephen Reaction Mechanism | Tests For Aldehydes And Ketones | Rosenmund Reduction Reaction Mechanism |
| Decarboxylation Reaction | Difference Between Aldose And Ketose | Fehling Test |
| Hypoiodous Acid | Haloform Reaction Mechanism | Benzaldehyde |
| Aldehydes, Ketones and Carboxylic Acids MCQ | NCERT Solutions for Class 12 Chemistry Aldehydes, Ketones, and Carboxylic Acids | Handwritten Notes for Class 12 Chemistry Aldehydes, Ketones and Carboxylic Acids |
Chapter 9: Amines
This chapter deals with Amines and the related concepts. It can be considered as the detailed studies related to– Sandmeyer reaction, Gatterman reaction, Coupling Reaction. Here are the important topics from this chapter-
- Nomenclature of Amines
- Structure of Amines
- Physical and chemical properties of Amines,
- Uses of Amines
- Preparation of Amines
Expected Number of questions: 2 to 6 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Gabriel Phthalimide Synthesis | Hoffmann Bromamide Degradation Reaction | Carbylamine Reaction or Isocyanide Test |
| Hinsberg’s Reagent | Electrophilic Substitution | Sulphonation |
| Nitro Compounds | Amide | Azo Compound |
| Diazotization reactions | NCERT Solutions for Class 12 Chemistry Amines | Handwritten Notes for Class 12 Chemistry Amines |
Chapter 10: Biomolecules
This chapter includes detailed studies of Biomolecules inncluding other imortant topics related to this, such as- Carbohydrates, amylose, glutamic acid, histidine, oligosaccharide, aspartic acid, anthocyanins, etc. Important notes for Biomolecules chapter are-
- Classification
- Sucrose
- Maltose
- Structure of proteins
- Enzymes
- Hormones
- Vitamins
- Nucleic Acids
Expected Number of questions: 2 to 5 questions of 1 - 5 marks
Also Read,
| Other Important Topics Related To This Chapter | ||
|---|---|---|
| Difference Between Fats and Oils | Glutaric Acid Formula | Cellulose |
| Structure of Glucose and Fructose | Zwitterion | Asparagine Amino Acid |
| Peptide Bond or Peptide Linkage | Denaturation Of Proteins And Its Causes | Difference Between Glucose and Fructose |
| Difference Between Starch And Cellulose | Cholesterol Formula | Carbonic Anhydrase |
| Sugar Formula | Anabolism | Biochemistry |
| Function Nucleic Acids | Glycosaminoglycans | Monosodium Glutamate |
| Monosaccharides | Galactose Formula | Gluconic Acid Formula |
| Serine | Lysine | Glycogen |
| Biuret Test | Furfural | Adenine |
| Transfer RNA (t-RNA) | NCERT Solutions for Class 12 Chemistry Biomolecules | Handwritten Notes for Class 12 Chemistry Biomolecules |
CBSE Class 12 Chemistry Practicals
CBSE Class 12 Chemistry practicals has a weightage of 30 marks in total and the test shall be conducted for a duration of 3 hours. The distribution of marks for the Class 12 Chemistry practicals is tabulated below.
| Evaluation Scheme for Practicals | Marks |
|---|---|
| Volumetric Analysis | 8 |
| Salt Analysis | 8 |
| Content-Based Experiment | 6 |
| Project Work | 4 |
| Class record and viva | 4 |
| Total | 30 |
The list of Chemistry practicals is given below.
- Preparation of dibenzal acetone
- Preparation of p nitroacetanilide
- Preparation of potassium ferric oxalate
- To prepare colloidal solution of egg albumin
- To prepare colloidal solution of gum
- To study the rate of reaction between potassium iodate KIO₃ and sodium sulphite Na₂SO₃
- To study the role of emulsifying agents in stabilising the emulsions of different oils
- Titration of hydrochloric acid against standard sodium carbonate
- To prepare aluminium hydroxide sol
- Preparation of standard solution of oxalic acid
Popular Reference books & Additional Resources
Students can also make use of these additional resources for Class 12 Chemistry Notes where all the important numericals, formulas, equations and handwritten notes are available.
- Pradeep’s New Course Chemistry Book
Also Check,
| Class 11 & 12 PCMB Study Guides | ||
|---|---|---|
| Chemistry MCQs | Class 12 Chemistry Practicals | Important Chemical Reactions |
| Biology MCQs | Class 11 Notes | NCERT Class 11 Biology Book |
| Physics Study Notes | Class 12 Physics Book PDF | Class 12 Physics Practicals |
| Important Derivations in Physics | SI units in Physics | Important Physics Constants and Units |
| Class 12 Physics Syllabus | NCERT Solutions for Class 12 Chemistry | NCERT Solutions for Class 12 Biology |
| Biology Study Notes | NCERT Solutions for Class 12 Maths | NCERT Solutions for Class 12 English |
| NCERT Solutions Class 6 to 12 | Class 12 Biology Notes | Class 12 Maths Notes |
| Class 12 PCMB Notes | NCERT Class 12 Biology Book | NCERT Class 12 Maths Book |
| NCERT Class 12 Textbooks | NCERT Solutions for Class 11 Maths | NCERT Solutions for Class 11 Physics |
| NCERT Solutions for Class 11 Chemistry | NCERT Solutions for Class 12 Physics | Comparison Topics in Biology |
| NCERT Class 11 Chemistry Book | NCERT Class 11 Physics Book | Topics with relation in physics |
| Choice based questions in physics | Important Maths Formulas | Important Chemistry Formulas |
| Class 11 PCMB Syllabus | NCERT Solutions for Class 11 English | Formulas in Physics |
| Periodic Table in Chemistry | Topics for Comparison in Physics | Comparison topics in Chemistry |
| Comparison Topics in Maths | Class 12 Physics Notes | Important Named Reactions |
CBSE Class 12 Chemistry Notes FAQs
Ques. How should I prepare for CBSE Class 12 Chemistry exam?
Ans. To prepare for CBSE Class 12 Chemistry exam, make sure to understand the concepts thoroughly by studying from your textbooks, class notes, and reference materials. Practice solving numerical problems and chemical equations regularly. Additionally, solve previous years' question papers and sample papers to familiarise yourself with the exam pattern and improve time management skills.
Ques. Are NCERT books sufficient for CBSE Class 12 Chemistry preparation?
Ans. Yes, NCERT books are highly recommended for CBSE Class 12 Chemistry preparation as they cover the entire syllabus in a structured manner. However, supplementing your studies with reference books and online resources can provide additional explanations, practice questions, and insights to enhance your understanding of the subject.
Ques. How can I score well in the practicals of CBSE Class 12 Chemistry?
Ans. To score well in the practical exams, thoroughly understand the experimental procedures and concepts behind each experiment. Practice performing the experiments multiple times to ensure accuracy and precision. Maintain a well-organized lab notebook documenting all observations, readings, and calculations. Lastly, review the Viva Voce questions and be prepared to answer them confidently.
Ques. What are some important topics to focus on in CBSE Class 12 Chemistry?
Ans. Some important topics to focus on in CBSE Class 12 Chemistry include chemical kinetics, electrochemistry, coordination compounds, organic chemistry (such as alcohols, phenols, ethers, aldehydes, ketones, carboxylic acids, and amines), biomolecules, and d- and f-block elements. Understanding these topics thoroughly can help you score well in the exam.
Ques. Where can I find additional study materials and resources for CBSE Class 12 Chemistry?
Ans. In addition to your textbooks and class notes, you can find additional study materials and resources for CBSE Class 12 Chemistry online. Websites like Khan Academy, Toppr, and Vedantu offer video lectures, practice questions, and study notes. You can also explore reference books authored by renowned authors in the field of chemistry.
