CBSE Class 12th Chemistry Syllabus 2025-26: The CBSE Board released the 12th class curriculum for 2025–2026. Students can review the CBSE Class 12th Chemistry 2025–2026 syllabus in the table below. There has been no modification to the Chemistry curriculum. The syllabus provides a detailed breakdown of the chapters, divisions, and subjects covered in the 2025–2026 academic year. Included are the assessment criteria, project work suggestions, course outline, and much more.
The syllabus outlines the subjects, chapters, and units that make up the session's curriculum, which students will study. The PDF can be downloaded by students using the link below. They can download it and save it for later use. The project assignment and the theory paper make up the two parts of the CBSE Class 12 Chemistry syllabus.
CBSE Class 12 Chemistry Syllabus 2025-26: Key Highlights
| Overview | Details |
| Board Name: | Central Board of Secondary Examination |
| Class: | 12 |
| Subject: | Chemistry |
| Subject Code: | 043 |
| Total Marks: | 100 |
| Theory Marks: | 70 |
| Project Marks: | 30 |
| Exam Duration: | 3 Hours |
| Total Sections: | 2 Sections (Theory & Internal) |
CBSE Class 12 Chemistry: Detailed Syllabus 2025-26
There will be two papers in the subject:
- Theory: 70 marks
- Internal Assignment : 30 marks
| Unit 1: Solutions |
| Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, Raoult’s law, colligative properties - relative lowering of vapor pressure, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, abnormal molecular mass, Van't Hoff factor |
| Unit 2: Electrochemistry |
| Redox reactions, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and EMF of a cell, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch's Law, electrolysis and law of electrolysis (elementary idea), dry cell-electrolytic cells and Galvanic cells, lead accumulator, fuel cells, corrosion. |
| Unit 3: Chemical Kinetics |
| Rate of a reaction (Average and instantaneous), factors affecting rate of reaction: concentration, temperature, catalyst; order and molecularity of a reaction, rate law and specific rate constant, integrated rate equations and half-life (only for zero and first order 10 reactions), concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation. |
| Unit 4: d and f Block Elements |
| General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first row transition metals – metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation, preparation and properties of K2Cr2O7 and KMnO4. Lanthanides - Electronic configuration, oxidation states, chemical reactivity and lanthanide contraction and its consequences. Actinides - Electronic configuration, oxidation states and comparison with lanthanides |
| Unit 5: Coordination Compounds |
| Coordination compounds - Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner's theory, VBT, and CFT; structure and stereoisomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological system). |
| Unit 6: Haloalkanes and Haloarenes |
| Haloalkanes: Nomenclature, nature of C–X bond, physical and chemical properties, optical rotation mechanism of substitution reactions. Haloarenes: Nature of C–X bond, substitution reactions (Directive influence of halogen in monosubstituted compounds only). Uses and environmental effects of - dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT. |
| Unit 7: Alcohols, Phenols and Ethers |
| Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only), identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special reference to methanol and ethanol. Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols. Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses |
| Unit 8: Aldehydes, Ketones and Carboxylic Acids |
| Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses. Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses. |
| Unit 9: Amines |
| Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines. Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry. |
| Unit 10: Biomolecules |
| Carbohydrates: Classification (aldoses and ketoses), monosaccharides (glucose and fructose), D-L configuration oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen); Importance of carbohydrates. Proteins: Elementary idea of - amino acids, peptide bond, polypeptides, proteins, structure of proteins - primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins; enzymes. Hormones: Elementary idea excluding structure. Vitamins: Classification and functions. Nucleic Acids: DNA and RNA. |
Class 12 Chemistry CBSE: Subject-wise Marks Distribution
Students should check the below table to know the Subject Wise marks distribution of CBSE 2025-26 academic year subject Chemistry Class 12:
| Sl. No. | Subject | Marks |
| 1. | Solutions | 7 |
| 2. | Electrochemistry | 9 |
| 3. | Chemical Kinetics | 7 |
| 4. | d -and f -Block Elements | 7 |
| 5. | Coordination Compounds | 7 |
| 6. | Haloalkanes and Haloarenes | 6 |
| 7. | Alcohols, Phenols and Ethers | 6 |
| 8. | Aldehydes, Ketones and Carboxylic Acids | 8 |
| 9. | Amines | 6 |
| 10. | Biomolecules | 7 |
| Total | 70 |
Practical Evaluation Scheme for Class 12 Chemistry 2025-26
The practical test will take three hours to complete and carry a total of thirty marks. For a better understanding, students can locate the practical exam evaluation scheme below:
| Evaluation Scheme for Examination | Marks |
| Volumetric Analysis | 8 Marks |
| Salt Analysis | 8 Marks |
| Content Based Experiment | 6 Marks |
| Project Work | 4 Marks |
| Class record and viva | 4 Marks |
| Total | 30 Marks |
To download the CBSE Class 12 Chemistry Syllabus 2025-26, click on the link below
Download CBSE Class 12 Chemistry Syllabus 2025-2026 PDF |
Prescribed Books for Chemistry Class 12
- Chemistry Part – I, Class-XII, Published by NCERT.
- Chemistry Part – II, Class-XII, Published by NCERT.
- Manual of Microscale Chemistry laboratory kit.
CBSE Class 12 Chemistry (043) Question Paper Design 2025-26
| Sl. No. | Domains | Total Marks | Approximate Percentage |
| 1. | Remembering and Understanding: Exhibit memory of previously learned material by recalling facts, terms, basic concepts and answers. Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting, giving descriptions and stating main ideas. | 28 | 40 |
| 2. | Applying: Solve problems to new situations by applying acquired knowledge, facts, techniques and rules in a different way. | 21 | 30 |
| 3. | Analysing, Evaluating and Creating: Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalizations. Present and defend opinions by making judgments about information, validity of ideas or quality of work based on a set of criteria. Compile information together in a different way by combining elements in a new pattern or proposing alternative solutions. | 21 | 30 |
| Total | 70 | 100 | |
| Practical | 30 |
| |
| Gross Total | 100 |
|
Note:
- No chapter wise weightage is provided, however, care to be taken to cover all the chapters.
- Suitable internal variations may be made for generating various templates.
- There will be no overall choice in the question paper.
- However, 33% internal choices will be given in all the sections.
Also Check:
Comments
All Comments (0)
Join the conversation