CBSE (Central Board of Secondary Education) releases the updated CBSE Class 12 Chemistry Syllabus 2022-23 for next year’s board exam. All important topics of the Class 12 Chemistry syllabus 2022-23 are explained in this article. We also provide a direct link to download the latest CBSE Class 12 Chemistry Syllabus 2022-23.
Applicants of Board Exam 2023 can download the Revised CBSE Class 12 Chemistry Syllabus 2022-23 through the official website of CBSE at cbseacademic.nic.in ou Use our direct link (given below) to download the Class 12 Revised Chemistry Syllabus for Academic Session 2022-23.
Important of CBSE Class 12th Chemistry Syllabus 2022-23
Higher Secondary is the most important stage of schooling as special discipline-based, content-oriented courses are introduced at this time. Students reach this level after 10 years of general education and opt for chemistry to pursue their career in vocational courses like basic science or medicine, engineering, technology, and study courses in practical areas of science and technology at the tertiary level. Therefore, there is a need to provide the learners with adequate conceptual background in Chemistry, which will enable them to face the challenges of academic and vocational courses after the senior secondary level.
The new and updated curriculum is based on a disciplinary approach with rigor and depth taking care that the curriculum is not overwhelming and at the same time it is internationally comparable. There has been a tremendous change in the knowledge related to the subject of chemistry during the last decade. Many new fields like synthetic materials, biomolecules, natural resources, and industrial chemistry are coming up in a big way and deserve to be an integral part of the chemistry curriculum at the senior secondary level.
Also Read: CBSE Term 2 Admit Card 2022
Internationally, new formulations and nomenclatures of elements and compounds, symbols, and units of physical quantities issued by scientific bodies such as IUPAC and CGPM are of utmost importance and need to be included in the updated curriculum. The revised syllabus takes care of all these aspects. There is more emphasis on new nomenclature, symbols, and formulations, the teaching of fundamental concepts, application of concepts in chemistry to industry/technology, logical sequencing of units, removal and repetition of obsolete material, etc.
CBSE Class 12 Chemistry Syllabus 2022-23 Course Structure
Class 12 Chemistry Theory Syllabus (3 Hours and 70 Marks)
|1||Solutions (15 Periods)||7|
|2||Electrochemistry (18 Periods)||9|
|3||Chemical Kinetics (15 Periods)||7|
|4||d and f-Block Elements (18 Periods)||7|
|5||Coordination Compounds (18 Periods)||7|
|6||Haloalkanes and Haloarenes (15 Periods)||6|
|7||Alcohols, Phenols, Ethers (14 Periods)||6|
|8||Aldehydes, Ketones, and Carboxylic Acids (15 Periods)||8|
|9||Amines (14 Periods)||6|
|10||Biomolecules (18 Periods)||7|
Unit I: Solutions
Types of solutions, expression of concentration of solutions of solids in liquids, the solubility of gases in liquids, solid solutions, Raoult’s law, colligative properties – the relative lowering of vapor pressure, the 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 II: 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 III: 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
reactions), the concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation.
Unit IV: 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, color, catalytic property, magnetic properties, interstitial compounds, 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 V: Coordination Compounds
Coordination compounds – Introduction, ligands, coordination number, color, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds.
Bonding, Werner’s theory, VBT, and CFT; structure and stereoisomerism, the importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).
Unit VI: 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 VII: Alcohols, Phenols, 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 VIII: Aldehydes, Ketones, and Carboxylic Acids
Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, the reactivity of alpha hydrogen in aldehydes, uses.
Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.
Unit IX: 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 X: 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, the 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.
CBSE Class 12 Chemistry Practical Exam Syllabus (3 Hours/30 Marks)
|Evaluation Scheme for Examination||Marks|
|Class record and Viva||04|
Prescribed Books for CBSE Class 12 Chemistry Board Exam 2023
- Chemistry Part -I, Class-XII, Published by NCERT.
- Chemistry Part -II, Class-XII, Published by NCERT.
- Laboratory Manual of Chemistry, Class XI Published by NCERT
- Other related books and manuals of NCERT including multimedia and online
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