CBSE Class 12 Chemistry Syllabus 2022-23 : PDF Download

Safalta expert Published by: Yashaswi More Updated Fri, 05 Aug 2022 05:06 PM IST


Check out the CBSE Class 12 Chemistry Syllabus 2022-23 in PDF format here at

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Chemistry is a crucial topic that imparts practical knowledge. Chemistry study is a must for any technical or medical vocation. Therefore, more focus on Chemistry is required for a good future. For the academic year 2022–2023, the CBSE Board has issued the Class 12 Chemistry Syllabus under revision. The new curriculum will resemble the CBSE Class 12 Chemistry 2019-2020 Syllabus, according to the Central Board of Secondary Education.

Source: Safalta

No chapters have been removed from the current curriculum or newly added. The theoretical portion of the Class 12 Chemistry Syllabus will be worth 70 points, and the assessment system will be worth 30 points. Solutions, Electrochemistry, Chemical Kinetics, d- and f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, among other topics, are covered in the CBSE Class 12 Chemistry Syllabus 2022-23. This is the whole syllabus. Join Safalta School online to obtain the most recent question papers for class 12 Chemistry from the CBSE for the examinations in 2023 and ace your preparation under experts' guidance. In addition, you can check out this free Chemistry E-book set in English for all government exams- download now.

Download Class 12 Chemistry Syllabus 

Unit Wise Class 12 Chemistry Syllabus 2022-23

CBSE Syllabus of Class 12 Chemistry consists of 70 marks. The following are the unit-wise theory syllabus for class 12 Chemistry:

Theory paper 3 hours/ 70 marks 

Unit-II: 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 vapour 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-III: 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-IV: 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-VIII:  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.

  • 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 

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, the importance of coordination compounds (in qualitative analysis, extraction of metals and biological system).

Unit-X: 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-XI: 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-XII: 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-XIII: 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-XIV: 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.




Evaluation Scheme for Examination


Volumetric Analysis


Salt Analysis


Content Based Experiment


Project Work


Class record and viva






Micro-chemical methods are available for several of practical experiments.

Wherever possible, such techniques should be used.

A. Surface Chemistry

  1. Preparation of one lyophilic and one lyophobic sol
    Lyophilic sol – starch, egg albumin and gum
    Lyophobic sol – aluminium hydroxide, ferric hydroxide, arsenous sulphide.

  2. Dialysis of sol-prepared in (a) above.

  3. Study of the role of emulsifying agents in stabilizing the emulsion of different oils.

B. Chemical Kinetics

  1. Effect of concentration and temperature on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.

  2. Study of reaction rates of any one of the following:

    1. Reaction of Iodide ion with Hydrogen Peroxide at room temperature using different concentrations of Iodide ions.

    2. Reaction between Potassium Iodate, (KIO3) and Sodium Sulphite: (Na2SO3) using starch solution as an indicator (clock reaction).

C. Thermochemistry

Any one of the following experiments

  1. Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.

  2. Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).

  3. Determination of enthaply change during interaction (Hydrogen bond formation) between Acetone and Chloroform.

D. Electrochemistry

Variation of cell potential in Zn/Zn2+||Cu2+/Cu with change in concentration of electrolytes (CuSO4 or ZnSO4) at room temperature.

E. Chromatography

  1. Separation of pigments from extracts of leaves and flowers by paper chromatography and determination of Rf values.

  2. Separation of constituents present in an inorganic mixture containing two cations only (constituents having large difference in Rf values to be provided).

F. Preparation of Inorganic Compounds

Preparation of double salt of Ferrous Ammonium Sulphate or Potash Alum. Preparation of Potassium Ferric Oxalate.

G. Preparation of Organic Compounds

Preparation of any one of the following compounds

  1. Acetanilide

  2. Di -benzalAcetone

  3. p-Nitroacetanilide

  4. Aniline yellow or 2 – Naphthol Anilinedye.

H. Tests for the functional groups present in organic compounds:

Unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic and amino (Primary) groups.

I. Characteristic tests of carbohydrates, fats and proteins in pure samples and their detection in given foodstuffs.

J. Determination of concentration/ molarity of KMnO4 solution by titrating it against a standard solution of:

  1. Oxalic acid,

  2. Ferrous Ammonium Sulphate (Students will be required to prepare standard solutions by weighing themselves).

K. Qualitative analysis

Determination of one anion and one cation in a given salt


Pb2+, Cu2+ As3+, Aℓ3+, Fe3+, Mn2+, Zn2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+


(CO3)2-, S2-, (SO3)2-, (NO2)– , (SO4)2-, Cℓ–, Br–, I–, (PO4)3-, (C2O4)2-, CH3COO–, 

NO−3 NO3−

(Note: Insoluble salts excluded)


Scientific investigations involving laboratory testing and collecting information from other sources A few suggested Projects.

  • Study of the presence of oxalate ions in guava fruit at different stages of ripening.

  • Study the quantity of casein present in different samples of milk.

  • Preparation of soybean milk and its comparison with natural milk with respect to curd formation, the effect of temperature, etc.

  • Study of the effect of Potassium Bisulphate as a food preservative under various conditions (temperature, concentration, time, etc.)

  • Study of digestion of starch by salivary amylase and effect of pH and temperature on it.

  • Comparative study of the rate of fermentation of the following materials: wheat flour, gram flour, potato juice, carrot juice, etc.

  • Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi (cardamom).

  • Study of common food adulterants in fat, oil, butter, sugar, turmeric power, chilli powder and pepper.
    Note: Any other investigatory project, which involves about 10 periods of work, can be chosen with the approval of the teacher.

Has the class 12 CBSE 2022 syllabus changed in any way?

Class 11 and 12 CBSE Syllabus 2022–23 Term 1 (Objective Board) and Term 2 were created from this Reduced Syllabus (Subjective Board). It is currently established that the academic session 2022–2023 WILL NOT FOLLOW THE TERM-WISE BOARD PAPER PATTERN.

What is Safalta Online School?

Safalta Online School is the initiative taken by to help the kids to perform well in their exams and make them prepare for the higher classes. All the classes are ocducted live you will get access to recorded video lectures. 

Does Safalta Online School offers Class 12 Chemistry classes?

Yes, Saflata Online School offers Class 12 Chemistry classes online each class is taken by experts having years of experience in the same field. Along with this you can also check class 9 Science classes, Class 10 Science classes etc. 

What is the mark distribution for practicals ?

A 30-mark Practical would be conducted under the supervision of Board appointed external examiners.

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