CBSE Class 12 Chemistry Syllabus 2025-26, Download PDF

CBSE Class 12 Chemistry Syllabus 2025-26

The CBSE Board has released the revised CBSE Class 12 Chemistry Syllabus 2025-26 for the students of the science stream. The CBSE 12th Chemistry Syllabus 2025-26 has been made available at the official website www.cbseacademic.nic.in. Students of class 12 who are going to appear for the annual board exams must take a look at the CBSE Class 12 Chemistry Syllabus for the session 2025-26 to know the type of questions expected in the exam. The Chemistry syllabus detailed on this page includes all the units and topics to be studied for the board exams, along with the marks weightage. Scroll through this page to learn the CBSE Class 12th Syllabus 2025-26 for Chemistry in detail.

Chemistry Class 12 Syllabus 2025-26

The CBSE has announced the Chemistry syllabus for Class 12th for the 2025-26 academic year. The syllabus consists of 10 units in total, covering various topics in chemistry. The theory section carries 70 marks, while the practical activities account for 30 marks. By following this syllabus, students will get a clear understanding of the subjects they need to study. It will help them focus on important topics and plan their preparation effectively, ensuring that they are well-prepared for their board exams and can achieve good marks in the final examination.

CBSE Class 12 Chemistry Syllabus 2025-26
Units	Name of Units	Marks
Unit 1	Solutions	7
Unit 2	Electrochemistry	9
Unit 3	Chemical Kinetics	7
Unit 4	d -and f -Block Elements	7
Unit 5	Coordination Compounds	7
Unit 6	Haloalkanes and Haloarenes	6
Unit 7	Alcohols, Phenols and Ethers	6
Unit 8	Aldehydes, Ketones and Carboxylic Acids	8
Unit 9	Amines	6
Unit 10	Biomolecules	7
Total Marks		70

CBSE 12th Chemistry Syllabus 2025-26 (Chapter-wise)

We have provided the detailed chapter-wise CBSE 12th Chemistry Syllabus 2025-26 for the reference of the students. The CBSE Class 12 Syllabus 2025-26 for Chemistry provides the students with the right guidance and helps them strategize their preparations. By referring to the CBSE Class 12 Chemistry Syllabus 2025-26, students get the know which topic needs to be focused more to gain more marks. Check all the topics and chapters listed below and try to cover them all before the main examinations so that you can have enough time for revisions.

Chapter - 1 (Solutions)

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 vapor 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.

Chapter - 2 (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.

Chapter - 3 (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.

Chapter - 4 (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.

Chapter - 5 (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).

Chapter - 6 (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, trichloro methane, tetrachloromethane, iodoform, freons, DDT.

Chapter - 7 (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.

Chapter - 8 (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.

Chapter - 9 (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.

Chapter - 10 (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, 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 Syllabus 2025-26 PDF Download Link

Officials have published the CBSE Class 12th Chemistry Syllabus for the academic session 2025-26. This PDF contains a detailed outline of the Chemistry topics for the Class 12th Chemistry exam. Students preparing for the CBSE Class 12th board exams 2026 should check the updated syllabus to stay informed about any changes. If you are preparing for the CBSE 12th Chemistry exam 2025-26, check the latest syllabus to know what has changed. We have provided a direct link below to download the detailed CBSE Class 12th Chemistry Syllabus 2025 PDF.

CBSE Class 12 Chemistry Syllabus 2025-26 PDF- Click to Download

CBSE Class 12 Chemistry Syllabus 2025-26 for Practical

Class 12th Chemistry Practical Evaluation Scheme: The marks breakdown of practical, Project work, Class records, and Viva are listed below. The Practical carries 30 marks in total which sums up with the theory marks to make the paper of 100 marks.

CBSE Class 12 Chemistry Evaluation Scheme for Examination
Evaluation Scheme for Examination	Marks
Volumetric Analysis	08
Salt Analysis	08
Content Based Experiment	06
Project Work	04
Class record and viva	04
Total Marks	30

CBSE Class 12 Chemistry Syllabus 2025-26 for Practical

CBSE Class 12 Chemistry Syllabus 2025-26 for Practical
S.No.	Practicals
A.	Surface Chemistry	(a) Preparation of one lyophilic and one lyophobic sol Lyophilic sol - starch, egg albumin and gum Lyophobic sol - aluminum hydroxide, ferric hydroxide, arsenous sulphide. (b) Dialysis of sol-prepared in (a) above. (c) Study of the role of emulsifying agents in stabilizing 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 ion 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 (a) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate. (b) Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH). (c) 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	(a) Separation of pigments from extracts of leaves and flowers by paper chromatography and determination of Rf values. (b) 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 i) Acetanilide ii) Di -benzalAcetone iii) p-Nitroacetanilide iv) 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	(a) Oxalic acid, (b) 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: Cation: Pb2+, Cu2+ As3+, Aℓ3+ , Fe3+, Mn2+, Zn2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+ Anions: (CO3)2- , S2- , (SO3)2-, (NO2)- , (SO4)2- , Cℓ- , Br- , I- , (PO4)3- , (C2O4)2- , CH3COO- , NO3-

CBSE Class 12th Chemistry Syllabus 2025-26 Investigatory Project

Investigatory Project- 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.

How to complete the CBSE Class 12 Chemistry Syllabus 2025-26?

The syllabus is a roadmap to any examination. Here we have mentioned some tips to complete the syllabus and crack the exam with flying colors.

Step 1: Go through the entire CBSE Class 12th syllabus carefully to understand all topics.

Step 2: Divide the syllabus into different months so you can study each part at the right time.

Step 3: Set fixed days for revision, like the 2nd, 5th, and 9th of every month, to go over what you have learned.

Step 4: After finishing a unit, practice model papers to test your understanding and improve your preparation.

How to increase sitting to complete the Class 12 Chemistry Syllabus 2025-26?

You can increase sitting gradually, it's not a one-day process. Take baby steps i.e. the first day sit for 2 hours and don’t involve yourself in these two hours anywhere except studies. Break these 2 hours into 4 slots. Each slot consists of 30 minutes. study with full focus in these 30 minutes and complete all the chunks likewise. Then the second or third day increases by an hour. This process will make you consistent and studies will become a habit. That’s how you can increase these hours as per your need and increase your sitting to complete your Class 12 Chemistry Syllabus 2025-26.

Special Tips for CBSE Class 12 Syllabus 2025-26 for Chemistry

Pomodoro technique: You must have heard of studying for a short duration and taking a 5-minute break. This method is called the Pomodoro technique. In this method, students have to study for 25 minutes. Then take a 5-minute break to relax, and repeat the process. After being consistent for a week you can increase your focus span and also if you want to sit for a longer time then study for 50 mins and then take 10 mins break and you can repeat it 2 to 3 times. After that, take a long break of 20 to 30 min. This technique is very effective and you won’t feel tired and feel rejuvenated before every study session by using this method.

Feynman technique: This technique is a simple process where you first study a topic then you have to teach the same topic to another person. If you don’t have anyone to teach, you can pretend to teach it to an imaginary audience. While doing so, you will find where you are lacking and were confused about the topic. Read that topic again by book to clear the point where you were stuck. This technique is effective because you will understand the topic in-depth and also make it simple to teach your imaginary audience.

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CBSE Class 12 Syllabus 2025-26	CBSE Class 12 Physics Syllabus 2025-26
CBSE Class 12 English Syllabus 2025-26	CBSE Class 12 Maths Syllabus 2025-26