CBSE Class 12 Chemistry Syllabus 2024-25: Updated Curriculum

S. No

Unit Name

No. of Periods

Marks

I

Solutions

10

7

II

Electrochemistry

12

9

III

Chemical Kinetics

10

7

IV

d -and f -Block Elements

12

7

V

Coordination Compounds

12

7

VI

Haloalkanes and Haloarenes

10

6

VII

Alcohols, Phenols and Ethers

10

6

VIII

Aldehydes, Ketones and Carboxylic Acids

10

8

IX

Amines

10

6

X

Biomolecules

12

7

Total

70

Chemistry Class 12 Syllabus 2024-25

Unit 

Topics

Subtopics

Unit II

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 vapour 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 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), 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, ionisation 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. 

• Actinides - Electronic configuration, oxidation states, and comparison with lanthanide.  

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, 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, and 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, and 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 bonds, 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.

Chemistry Part

Unit

Page No

Dropped Topics/Chapters

Part 1

Unit 1: The Solid State

1-34

Full Chapter

Part 1

Unit 5: Surface Chemistry

123-148

Full Chapter

Part 1

Unit 6: General Principles and Processes of Isolation of Elements

149-169

Full Chapter

Part 1

Unit 7: The p-Block Elements

170-214

Full Chapter

Part 2

Unit 15: Polymers

433-446

Full Chapter

Part 2

Unit 16: Chemistry in Everyday Life

447-463

Full Chapter

Evaluation Scheme for Examination

Marks

Volumetric Analysis

8

Salt Analysis

8

Content-Based Experiment

6

Project Work and Viva

4

Class record and Viva

4

Total

30

S. No

Topics

Subtopics

A.

Surface Chemistry 

(a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol - starch, egg albumin and gum Lyophobic sol - aluminium hydroxide, ferric hydroxide, arsenious sulphide. 

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

(c) Study of the role of emulsifying agents in stabilising the emulsion of different oils. 

B.

Chemical Kinetics 

(a) Effect of concentration and temperature on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.

(b) Study of reaction rates of any one of the following: 

(i) Reaction of Iodide ions with Hydrogen Peroxide at room temperature using different concentrations of Iodide ions. 

(ii) 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 

i) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.

ii) Enthalpy of neutralisation of strong acid (HCI) and strong base (NaOH).

iii) Determination of enthalpy 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 

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

ii) Separation of constituents present in an inorganic mixture containing two cations only (constituents having large differences 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 i) Acetanilide 

ii) Di -benzalAcetone 

iii) p-Nitroacetanilide 

iv) Aniline yellow or 2 - Naphthol Aniline dye.

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: 

i) Oxalic acid, ii) Ferrous Ammonium Sulphate (Students will be required to prepare standard solutions by weighing themselves).

K.

Qualitative analysis  

Determination of one cation and one anion in a given salt.

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

Anions: (CO3)2- , S2- , (SO3)2- , (NO2)- , (SO4)2- , Cl- , Br- , I- , PO43-, (C2O4)2- , CH3COO- ,NO3 -

S. No

Domains 

Total Marks

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 organising, comparing, translating, interpreting, giving descriptions, and stating main ideas. 

28

40

2.

Applying: 

Solve problems in 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 generalisations. 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

S. No

Related Study Materials for Class 12 Chemistry

1.

Class 12 Chemistry NCERT Solutions

2.

Class 12 Chemistry Important Questions

3. 

Class 12 Chemistry Notes

4.

Class 12 Chemistry NCERT Exemplar 

5.

Class 12 Chemistry Sample Papers

6. 

Class 12 Chemistry Previous Year Question Paper

7.

Class 12 Chemistry NCERT Books