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CBSE Class 12 Chemistry Syllabus 2024 at cbse.gov.in Class 12 Chemistry Syllabus Pdf Download Here

The CBSE Class 12 Chemistry syllabus for the academic year 2024-25 has been released by the Central Board of Secondary Education. This syllabus is now available on the official CBSE board website at cbseacademic.nic.in. In the CBSE 12th class Chemistry syllabus for 2024-25, the theory paper will account for 70 marks, while 30 marks will be allotted for practicals and internal assessment.

by Keerthika

Updated May 21, 2024


CBSE Class 12 Chemistry Syllabus 2024 at cbse.gov.in Class 12 Chemistry Syllabus Pdf Download Here

CBSE Class 12 Chemistry Syllabus 2024 @ cbse.gov.in

The Central Board of Secondary Education (CBSE) has unveiled the updated Class 12 Chemistry syllabus for the academic year 2024-25. This latest CBSE 12th class Chemistry syllabus for 2024-25 is now available on the official CBSE board website - cbse.gov.in.

The Chemistry theory paper in CBSE will account for 70 marks, with an additional 30 marks allocated for practicals/internal assessment. Students must prioritize completing the Chemistry class 12 syllabus for 2024-25 on time.

Check - CBSE Class 12 Chemistry Syllabus 2024



No. of Periods



Some Basic Concepts of Chemistry




Structure of Atom




Classification of Elements and Periodicity in Properties




Chemical Bonding and Molecular Structure




Chemical Thermodynamics








Redox Reactions




Organic Chemistry: Some basic Principles and Techniques









CBSE Class 12th Chemistry Topics 2024-25

Unit Name



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.


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.

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

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.

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).

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.

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CBSE Class 12th Chemistry Syllabus 2024-25 for Practical Exams Topic-wise


Topic 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 stabilizing the emulsion 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:

(i) Reaction of Iodide ion with Hydrogen Peroxide at room temperature using different concentration of Iodide ions.
(ii) ) Reaction between Potassium Iodate, (KIO3) and Sodium Sulphite: (Na2SO3) using starch solution as indicator (clock reaction).


Any one of the following experiments:
i) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.
ii)Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).
iii) Determination of enthaply change during interaction (Hydrogen bond formation) between Acetone and Chloroform.


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


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 difference in Rf values to be provided).

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How to Download CBSE Class 12 Chemistry Syllabus 2024-25

Here are the steps to download the latest CBSE Class 12 Chemistry Syllabus for the academic year 2024-25:

  1. Open the website: cbse.gov.in

  2. Navigate to the homepage and locate the 'Curriculum' section.

  3. Click on the 'Curriculum 2024-25' link displayed in the Curriculum section.

  4. You will be directed to a page where you can access various subjects' syllabi. Look for the link related to the Class 12 Chemistry syllabus.

  5. Click on the Class 12 Chemistry syllabus link to download the PDF file.

  6. Save the PDF file to your device for future reference and use.

CBSE Class 12 Chemistry Syllabus 2024-25? -FAQ

1. What are the passing marks for the CBSE 12th Chemistry exam 2025?

You have to obtain a minimum score of 33 percent in theory and practicals separately to pass the examination.

2. Are the exact questions asked from the previous years’ question papers in the CBSE Class 12 chemistry exam?

No, the questions are not exactly asked from the previous years’ question papers. However, the question of paper pattern could be the same.

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