CBSE Class 12 Chemistry Syllabus 2026-27 PDF Download - Chapter-Wise Syllabus & Marking Scheme

Units

Unit name

Marks

I

Solutions

7

II

Electrochemistry

9

III

Chemical Kinetics

7

IV

d -and f -Block Elements

7

V

Coordination Compounds

7

VI

Haloalkanes and Haloarenes

6

VII

Alcohols, Phenols and Ethers

6

VIII

Aldehydes, Ketones and Carboxylic Acids

8

IX

Amines

6

X

Biomolecules

7

Total

70

Units

Unit name

Topics

I

Solutions

Types of Solutions, Expression of Concentration of Solutions, Solubility, Vapour Pressure of Liquid Solutions, Ideal and Non–Ideal Solutions, Colligative Properties and Determination of Molar Mass, Abnormal Molecular Masses.

II

Electrochemistry

Electrochemical Cells, Galvanic Cells, Nernst Equation, Conductance of Electrolytic Solutions, Electrolytic Cells and Electrolysis, Batteries, Fuel Cells, Corrosion.

III

Chemical Kinetics

Rate of a Chemical reaction, factors influencing the rate of reaction, integrated rate equations, Temperature Dependence of the rate of a reaction, Collision theory of Chemical Reactions

IV

d -and f -Block Elements

Position in the Periodic Table, Electronic configuration of the d-Block Elements, General properties of the Transition Elements (d-Block), Some Important Compounds of Transition Elements, The Lanthanoids, The Actinoids, Some Applications of d- and f- Block Elements.

V

Coordination Compounds

Werner’s Theory of Coordination Compounds, Definition of Some Important Terms Pertaining to Coordination Compounds, Nomenclature of Coordination Compounds. Isomerism in Coordination Compounds, Bonding in Coordination Compounds, Bonding in Metal Carbonyls, and Importance and Applications of Coordination Compounds.

VI

Haloalkanes and Haloarenes

Classification, Nomenclature, Nature of C–X bond, Methods of Preparation of Haloalkanes, Preparation of Haloarenes, Physical Properties, Chemical Reactions, Polyhalogen Compounds.

VII

Alcohols, Phenols and Ethers

Alcohols, Phenols and Ethers Classification, Nomenclature, Structures of Functional Groups, Alcohols and Phenols, Some Commercially Important Alcohols, Ethers.

VIII

Aldehydes, Ketones and Carboxylic Acids

Nomenclature and Structure of Carbonyl Group, Preparation of Aldehydes and Ketones, Physical Properties and Chemical Reactions, Uses of Aldehydes and Ketones. Nomenclature Structure of Carboxyl Group, Methods of Preparation of Carboxylic Acids, Physical Properties and Chemical Reactions, Uses of Carboxylic Acids.

IX

Amines

Structure of Amines, Classification, Nomenclature, Preparation of Amines, Physical Properties, Chemical Reactions, Methods of Preparation of Diazonium Salts, Physical Properties, Chemical Reactions, Chemical Reactions, Importance of Diazonium Salts in Synthesis of Aromatic Compounds.

X

Biomolecules

Carbohydrates. Proteins, Enzymes, Vitamins, Nucleic Acids, Hormones

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

Name

Topics Included

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 stabilising the emulsions of different oils.

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:

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

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

Thermochemistry

Any one of the following experiments

• Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.

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

• Determination of the enthalpy change during interaction (Hydrogen bond formation) between Acetone and Chloroform.

Electrochemistry

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

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 a large difference in Rf values to be provided).

Preparation of Inorganic Compounds

1. Preparation of double salt of Ferrous Ammonium Sulphate or Potash Alum.

2. Preparation of Potassium Ferric Oxalate.

Preparation of Organic Compounds

Preparation of any one of the following compounds

1. Acetanilide

2. Di-benzal acetone

3. p-Nitroacetanilide

4. Aniline yellow or 2 - Naphthol Aniline dye.

Tests for the functional groups present in organic compounds

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

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

-

Determination of the 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).

Qualitative analysis

Determination of one anion and one cation in a given salt

Cations: Pb2+,Cu2+, Al3+, Fe3+,Mn2+, Ni2+ Zn2+ Co2+ Ca2+Sr2+ Ba2+ Mg2+, NH4 + Anions: CO3 2− ,S 2− , SO3 2− , NO3 − , NO2 − , Cl−, Br−, I − ,SO4 2− , PO4 3− , CH3COO−, C2O4 2-

(Note: Insoluble salts excluded)

Evaluation Scheme

Marks

Identification/Familiarity with the apparatus

5

Written test (based on given/prescribed practicals)

10

Practical Record

5

Viva

10

Total

30

Domains

Marks

Weightage Percentage

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%

Applying: Solve problems in new situations by applying acquired knowledge, facts, techniques and rules in a different way.

21

30%

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, the validity of ideas or the 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%