Chemistry Syllabus Class 12 CBSE 2025-26 PDF: Marking Scheme & Deleted Syllabus

CBSE Class 12 Chemistry Syllabus 2025-26: CBSE Class 12 Chemistry Syllabus 2025-26 is accessible for students to prepare for this academic year. Chemistry is one of the main divisions of Science that deals with the qualities, structure, and components of matter or substance and its interactions with other forms of matter.

CBSE Class 12 Chemistry Syllabus 2025-26

CBSE Class 12 Chemistry Syllabus 2025-26 PDF Download

Accessing the official chemistry syllabus class 12 CBSE 2025-26 PDF is highly beneficial. It provides detailed topic breakdowns and practical guidelines.

This document helps students plan their studies efficiently. It also clarifies any doubts about content or assessment patterns. Students can stay updated with the latest curriculum.

CBSE Class 12 Chemistry Syllabus PDF Link

CBSE Class 12 Chemistry Syllabus 2025-26 Unit Wise

The Class 12 Chemistry curriculum is divided into several units, each covering specific areas of chemistry.

Theory Syllabus:

Unit 1: Solutions

• Types of solutions, concentration expressions.

• Solubility of gases in liquids, solid solutions.

• Raoult's law, colligative properties (vapour pressure lowering, boiling point elevation, freezing point depression, osmotic pressure).

• Molecular mass determination, abnormal molecular mass, Van't Hoff factor.

Unit 2: Electrochemistry

• Redox reactions, EMF of a cell, standard electrode potential.

• Nernst equation and its applications, Gibbs energy change and EMF.

• Electrolytic conductance, specific and molar conductivity.

• Kohlrausch's Law, electrolysis (elementary idea), types of cells (dry cell, galvanic, lead accumulator, fuel cells), corrosion.

Unit 3: Chemical Kinetics

• Reaction rate (average and instantaneous), factors affecting rate.

• Order and molecularity, rate law, specific rate constant.

• Integrated rate equations and half-life (zero and first order).

• Collision theory (elementary idea), activation energy, Arrhenius equation.

Unit 4: d and f Block Elements

• Introduction, electronic configuration, transition metal characteristics.

• Trends in properties (metallic character, ionization enthalpy, oxidation states, ionic radii, color, catalysis, magnetism, interstitial compounds, alloy formation).

• Preparation and properties of K2Cr2O7 and KMnO4.

• Lanthanides: configuration, oxidation states, reactivity, lanthanide contraction.

• Actinides: configuration, oxidation states, comparison with lanthanides.

Unit 5: Coordination Compounds

• Introduction, ligands, coordination number, color, magnetic properties, shapes.

• IUPAC nomenclature, Werner's theory, VBT, CFT.

• Structure and stereoisomerism, importance (qualitative analysis, metal extraction, biological systems).

Unit 6: Haloalkanes and Haloarenes

• Haloalkanes: Nomenclature, C–X bond, physical/chemical properties, optical rotation, substitution mechanism.

• Haloarenes: C–X bond, substitution reactions (monosubstituted only).

• Uses and environmental effects (dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT).

Unit 7: Alcohols, Phenols and Ethers

• Alcohols: Nomenclature, preparation, physical/chemical properties (primary only), identification, dehydration mechanism, uses (methanol, ethanol).

• Phenols: Nomenclature, preparation, physical/chemical properties, acidic nature, electrophilic substitution, uses.

• Ethers: Nomenclature, preparation, physical/chemical properties, uses.

Unit 8: Aldehydes, Ketones and Carboxylic Acids

• Aldehydes & Ketones: Nomenclature, carbonyl group nature, preparation, physical/chemical properties, nucleophilic addition mechanism, alpha hydrogen reactivity, uses.

• Carboxylic Acids: Nomenclature, acidic nature, preparation, physical/chemical properties, uses.

Unit 9: Amines

• Nomenclature, classification, structure, preparation, physical/chemical properties, uses, identification of primary, secondary, tertiary amines.

• Diazonium salts: Preparation, reactions, synthetic importance.

Unit 10: Biomolecules

• Carbohydrates: Classification (aldoses, ketoses), monosaccharides (glucose, fructose), D-L configuration.

• Oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen), importance.

• Proteins: Amino acids, peptide bond, polypeptides, protein structures (primary, secondary, tertiary, quaternary - qualitative). Denaturation, enzymes.

• Hormones: Elementary idea. Vitamins: Classification and functions. Nucleic Acids: DNA and RNA.

CBSE Class 12 Chemistry Deleted Syllabus 2025-26

Certain chapters of the CBSE Class 12 Chemistry Syllabus have been eliminated by the board. The table below lists the eliminated chapters from the Chemistry curriculum.

CBSE Class 12 Chemistry Evaluation Scheme for Examination

Class 12th Chemistry Practical Evaluation Scheme: The following is a breakdown of the marks for practical, project work, class records, and viva. The Practical is worth 30 points in total, which is added to the theoretical marks to make the exam worth 100 points.

Class 12 Chemistry Practical Syllabus:

The practical component for Class 12 Chemistry involves various experiments. It assesses skills in:

• Volumetric Analysis: Titration involving KMnO4 solutions against standard oxalic acid or Ferrous Ammonium Sulphate.

• Salt Analysis: Identification of one anion and one cation from a given inorganic salt (Pb2+, Cu2+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Sr2+, Ba2+, Mg2+, NH4+ cations; CO32-, S2-, SO32-, NO3-, NO2-, Cl-, Br-, I-, SO42-, PO43-, CH3COO-, C2O42- anions).

• Content-Based Experiments: Includes Surface Chemistry (preparation of sols, dialysis), Chemical Kinetics (effect of concentration/temperature on reaction rate), Thermochemistry (enthalpy determination), Electrochemistry (cell potential variation), Chromatography (separation of pigments/constituents).

• Preparations: Inorganic (Ferrous Ammonium Sulphate, Potash Alum, Potassium Ferric Oxalate) and Organic compounds (Acetanilide, Di-benzalAcetone, p-Nitroacetanilide, Aniline yellow/2-Naphthol Aniline dye).

• Tests for Functional Groups: Identification of unsaturation, alcoholic, phenolic, aldehydic, ketonic, carboxylic, and amino (primary) groups in organic compounds.

• Characteristic Tests: For carbohydrates, fats, and proteins in pure samples and foodstuffs.

• Projects: Scientific investigations like studying oxalate ions in fruits, casein in milk, food adulterants, etc.

How to complete the CBSE Class 12 Chemistry Syllabus? 

The syllabus serves as a road map for each examination. Here are some pointers to help you finish the course and pass the examination with flying colours.

• Thoroughly read the full curriculum.
• Sort the units according to the months.
• Schedule revision days, such as the second, fifth, and ninth days.
• After finishing any unit, do a few model papers.