CBSE 12th Class Chemistry Syllabus 2022 complete details have been provided in this article below. The students should know that the CBSE updates all relevant information regarding the syllabus on its official website. It is recommended to stay updated about the prescribed syllabus as it is very important from an exam perspective. The class 12th chemistry syllabus consists of Theory Paper and Practical. Candidates should download the PDF document of the syllabus for ready reference. The download link is given below. Check the CBSE Class 12 Chemistry syllabus for the board exam below.
Table of Contents
CBSE Class 12 Chemistry Syllabus 2022-23
The CBSE 12 Class Chemistry syllabus consists of a Theory paper and a Practical exam as mentioned above. Check the examination scheme below:
CBSE 12th Class Chemistry Paper: Theory
Time Duration: 3 Hours
Total Marks: 70 Marks
| Unit No. | Chapter/Title | No. of Periods | Marks |
| I | Solid State | 10 |
23 |
| II | Solutions | 10 | |
| III | Electrochemistry | 12 | |
| IV | Chemical Kinetics | 10 | |
| V | Surface Chemistry | 08 | |
| VI | General Principles and Processes of Isolation of Elements | 08 |
19 |
| VII | P –Block Elements | 12 | |
| VIII | d –and f – Block Elements | 12 | |
| IX | Coordination Compounds | 12 | |
| X | Haloalkanes and Haloarenes | 10 |
28 |
| XI | Alcohols, Phenols and Ethers | 10 | |
| XII | Aldehydes, Ketones and Carboxylic Acids | 10 | |
| XIII | Amines | 10 | |
| XIV | Biomolecules | 10 | |
| XV | Polymers | 08 | |
| XVI | Chemistry in Everyday Life | 06 | |
| Total | 160 | 70 | |
CBSE 12th Class Chemistry: Unit Wise Syllabus
Unit I: Solid State (10 Periods)
Classification of solids based on different binding forces: ionic, molecular, covalent and metallic solids, amorphous and crystalline solids (elementary idea). Unit cell in two dimensional and three-dimensional lattices, packing in solids, calculation of density of unit cell, packing efficiency, number of atoms per unit cell in a cubic unit cell, voids, point defects, electrical and magnetic properties.
Band theory of metals, conductors, semiconductors and insulators and n and p type semiconductors.
Unit II: Solutions (10 Periods)
Types of solutions, solid solutions, the solubility of gases in liquids, expression of concentration of solutions of solids in liquids, Raoult’s law, colligative properties-relative lowering of vapour pressure, depression of freezing point, the elevation of boiling point, osmotic pressure, abnormal molecular mass, determination of molecular masses using colligative properties, Van’t Hoff factor.
Unit III: Electrochemistry (12 Periods)
Redox reactions, standard electrode potential, EMF of a cell, Relation between Gibbs energy change and EMF of a cell, Nernst equation and its application to chemical cells, specific and molar conductivity, conductance in electrolytic solutions, variations of conductivity with concentration, Kohlrausch’s Law, dry cell-electrolytic cells and Galvanic cells, electrolysis and law of electrolysis (elementary idea), fuel cells, lead accumulator, corrosion.
Unit IV: Chemical Kinetics (10 Periods)
Rate of a reaction (Average and instantaneous), factors affecting rate of reaction: temperature, concentration, catalyst; rate law and specific rate constant, order and molecularity of a reaction, integrated rate equations and half-life (only for zero and first order reactions), activation energy, the concept of collision theory (elementary idea, no mathematical treatment), Arrhenius equation.
Unit V: Surface Chemistry (08 Periods)
Adsorption – physisorption and chemisorption, catalysis: homogenous and heterogenous, factors affecting adsorption of gases on solids, enzyme catalysis, activity and selectivity of solid catalysts; colloidal state: distinction between true solutions, colloids and suspension; lyophilic, lyophobic, properties of colloids; multi-molecular and macromolecular colloids; Tyndall effect, electrophoresis, Brownian movement, coagulation, emulsion – types of emulsions.
Unit VI: General Principles and Processes of Isolation of Elements (08 Periods)
Principles and methods of extraction – oxidation, concentration, occurrence and principles of extraction of aluminium, reduction- electrolytic method and refining; zinc, copper and iron.
Unit VII: p-Block Elements (12 Periods)
Group -15 Elements: General introduction, occurrence, electronic configuration, oxidation states, trends in physical and chemical properties; compounds of Nitrogen: preparation and properties of Ammonia and Nitric Acid, Nitrogen preparation properties and uses; Oxides of Nitrogen (Structure only); Phosphorus-allotropic forms, compounds of Phosphorus: Preparation and properties of Phosphine, Halides and Oxoacids (elementary idea only).
Group 16 Elements: General introduction, oxidation states, electronic configuration, trends in physical and chemical properties, occurrence, dioxygen: preparation, classification of Oxides, properties and uses, Ozone, Sulphur -allotropic forms; compounds of Sulphur: preparation properties and uses of Sulphur-dioxide, Sulphuric Acid: industrial process of manufacture, properties and uses; Oxoacids of Sulphur (Structures only).
Group 17 Elements: General introduction, oxidation states, electronic configuration, occurrence, trends in physical and chemical properties; Preparation, compounds of halogens, properties and uses of Chlorine and Hydrochloric acid, interhalogen compounds, Oxoacids of halogens (structures only).
Group 18 Elements: General introduction, occurrence, trends in physical and chemical properties, electronic configuration,uses.
Unit VIII: d and f Block Elements (12 Periods)
General introduction, occurrence and characteristics of transition metals, electronic configuration, general trends in properties of the first-row transition metals – metallic character, oxidation states, ionization enthalpy, colour, catalytic property, ionic radii, interstitial compounds, magnetic properties, alloy formation, preparation and properties of K2Cr2O7 and KMnO4.
Lanthanoids– Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and its consequences.
Actinoids- Electronic configuration, oxidation states and comparison with lanthanoids.
Unit IX: Coordination Compounds (12 Periods)
Coordination compounds – Introduction, ligands, colour, magnetic properties and shapes, coordination number, IUPAC nomenclature of mononuclear coordination compounds. Werner’s theory, Bonding, VBT, and CFT; structure and stereoisomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).
Unit X: Haloalkanes and Haloarenes (10 Periods)
Haloalkanes: Nomenclature, physical and chemical properties, nature of C–X bond, 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, tetrachloromethane, trichloromethane, iodoform, freons, DDT.
Unit XI: Alcohols, Phenols and Ethers (10 Periods)
Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only), identification of primary, secondary and tertiary alcohols, uses with special reference to methanol and ethanol, mechanism of dehydration.
Phenols: Nomenclature, acidic nature of phenol, methods of preparation, physical and chemical properties, electrophillic substitution reactions, uses of phenols.
Ethers: Nomenclature, physical and chemical properties, methods of preparation, uses.
Unit XII: Aldehydes, Ketones and Carboxylic Acids (10 Periods)
Aldehydes and Ketones: Nomenclature, methods of preparation, nature of carbonyl group, mechanism of nucleophilic addition, physical and chemical properties, reactivity of alpha hydrogen in aldehydes, uses.
Carboxylic Acids: Nomenclature, methods of preparation, acidic nature, physical and chemical properties; uses.
Unit XIII: Amines (10 Periods)
Amines: Nomenclature, structure, classification, physical and chemical properties, uses, methods of preparation, identification of primary, secondary and tertiary amines.
Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.
Unit XIV: Biomolecules (12 Periods)
Carbohydrates– Classification (aldoses and ketoses), D-L configuration oligosaccharides (sucrose, lactose, maltose), monosaccahrides (glucose and fructose), Importance of carbohydrates, polysaccharides (starch, cellulose, glycogen).
Proteins– Elementary idea of – amino acids, polypeptides, peptide bond, proteins, structure of proteins – primary, secondary, denaturation of proteins; enzymes, tertiary structure and quaternary structures (qualitative idea only), Hormones – Elementary idea excluding structure.
Vitamins- Classification and functions.
Nucleic Acids: DNA and RNA.
Unit XV: (Polymers 08 Period)
Classification – natural and synthetic, copolymerization, methods of polymerization (addition and condensation), some important polymers: natural and synthetic like polythene, bakelite, nylon polyesters, rubber. Biodegradable and non-biodegradable polymers.
Unit XVI: Chemistry in Everyday life (06 Periods)
Chemicals in medicines- tranquillizers antiseptics, analgesics, antimicrobials, disinfectants, antibiotics, antacids, antifertility drugs, antihistamines.
Chemicals in food- preservatives, elementary idea of antioxidants, artificial sweetening agents.
Cleansing agents- cleansing action, soaps and detergents.
CBSE Class 12 Chemistry Syllabus: Practical Exam
| Evaluation Scheme for Examination | Marks |
| Volumetric Analysis | 08 |
| Salt Analysis | 08 |
| Content-Based Experiment | 06 |
| Project Work | 04 |
| Class record and Viva | 04 |
| Total | 30 |
Preparation Tips for CBSE 12th Class Chemistry Paper
Go through the following tips in order to prepare for the exam:
- First of all, collect all the crucial information regarding the class 12th Chemistry syllabus in detail.
- As per the syllabus, make your study timetable and follow the same.
- Try to cover all the topics so that you can perform well in the exam.
- Students should go through last years’ chemistry question papers to know the examination scheme.
- During the exam, try to solve easy questions first.
- Study regularly and learn things with good understanding.
CBSE Class 12th Syllabus: All Subjects
Download CBSE Class 12 Chemistry Syllabus 2021-2022
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