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CBSE Chemistry Class 12 Syllabus 2025

by PW Gulf
June 13, 2024
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CBSE Chemistry Class 12 Syllabus 2025: The Central Board of Secondary Education (CBSE) has announced the Class 12 Chemistry Syllabus for the academic year 2024-2025. This syllabus outlines what students will learn to master the basic principles and concepts of chemistry. It's designed to help students get ready for the 2025 board exams. 

Chemistry is important because it deals with the properties, structure, and interactions of matter. Understanding these principles is crucial for many careers and for further education. The CBSE Class 12 Chemistry Syllabus 2025 gives students a clear view of the chapters and units they will study throughout the year. This helps them plan their studies well and stay organized.

CBSE Chemistry Class 12 Syllabus 2025 Overview

The CBSE Class 12 Chemistry Syllabus for the academic year 2024-25 includes a wide range of topics to give students a thorough understanding of chemistry's basic principles and concepts. The syllabus is divided into units such as Solid State, Solutions, Electrochemistry, Chemical Kinetics, d- and f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, Amines, and Biomolecules.

Each unit is further broken down into chapters that cover specific topics in detail. For example, the Solutions unit includes types of solutions, ways to express the concentration of solutions formed from solids in liquids, solubility of gases in liquids, solid solutions, and Raoult's law. The Electrochemistry unit covers redox reactions, EMF of a cell, standard electrode potential, the Nernst equation, conductance in electrolytic solutions, and electrolysis.

CBSE Chemistry Class 12 Syllabus 2025 Highlights

Unit

Topics Covered

Solid State

Types of solids, packing in solids, crystal lattice, imperfections in solids

Solutions

Types of solutions, concentration terms, Raoult's law, colligative properties, abnormal molecular mass

Electrochemistry

Redox reactions, EMF of a cell, standard electrode potential, Nernst equation, conductance, electrolysis

Chemical Kinetics

Rate of reaction, factors affecting rate of reaction, integrated rate equations, Arrhenius equation

d- and f-Block Elements

General properties, electronic configurations, oxidation states, lanthanoids and actinoids

Coordination Compounds

Werner's theory, ligands, coordination number, isomerism, stability constants

Haloalkanes and Haloarenes

Nomenclature, nature of C-X bond, methods of preparation, physical and chemical properties

Alcohols, Phenols, and Ethers

Nomenclature, methods of preparation, physical and chemical properties, acidic nature

Aldehydes, Ketones, and Carboxylic Acids

Nomenclature, methods of preparation, chemical reactions, acidic nature, oxidation

Amines

Classification, methods of preparation, physical and chemical properties, basic character

Biomolecules

Carbohydrates, proteins, enzymes, vitamins, nucleic acids, structure and functions

Practical Component

Volumetric analysis, salt analysis, content-based experiments, project work, viva voce

The syllabus also has a practical component worth 30 marks out of the total 100 marks. This includes volumetric analysis, salt analysis, content-based experiments, project work, and viva voce.

Understanding the CBSE Class 12 Chemistry Syllabus is important for students as it helps them plan their studies, allocate time for each topic, and ensure thorough learning. By following the syllabus and practicing regularly, students can build a strong foundation in chemistry and do well in their board exams.

CBSE Chemistry Class 12 Syllabus 2025: Section- Wise

The CBSE Class 12 Chemistry syllabus is divided into three main sections: Inorganic Chemistry, Organic Chemistry, and Physical Chemistry. Each section covers a range of topics that are essential for a thorough understanding of the subject. The syllabus also includes practical experiments that students must perform to gain hands-on experience and develop their laboratory skills.

Inorganic Chemistry

Here is table summarizing the CBSE Class 12 Chemistry syllabus for the academic year 2024-25, organized under the main sections of Inorganic Chemistry:

 

CBSE Chemistry Class 12 Syllabus 2025: Inorganic Chemistry

Topics

Details

Solutions

Types, concentration, solubility of gases, solid solutions, Raoult's law, colligative properties

Electrochemistry

Redox reactions, electrochemical cells, electrode potential, Nernst equation, conductance, Kohlrausch's law, electrolysis

Chemical Kinetics

Rate, factors affecting rate, order, molecularity, activation energy, Arrhenius equation, catalysts

d- and f- Block Elements

Characteristics, oxidation states, trends, lanthanoids, actinoids

Coordination Compounds

Ligands, coordination number, nomenclature, bonding, isomerism

Organic Chemistry

Here is table summarizing the CBSE Class 12 Chemistry syllabus for the academic year 2024-25, organized under the main sections of organic Chemistry:

CBSE Chemistry Class 12 Syllabus 2025: organic Chemistry

Topics

Details

Haloalkanes and Haloarenes

Nomenclature, nature of C-X bond, preparation, properties, reactions, uses, environmental effects

Alcohols, Phenols and Ethers

Classification, nomenclature, preparation, properties, reactions, uses

Aldehydes, Ketones and Carboxylic Acids

Nomenclature, preparation, properties, reactions, uses

Amines

Classification, nomenclature, preparation, properties, reactions, uses

Biomolecules

Carbohydrates, proteins, enzymes, vitamins, nucleic acids

Physical Chemistry

Here is table summarizing the CBSE Class 12 Chemistry syllabus for the academic year 2024-25, organized under the main sections of Physical Chemistry:

CBSE Chemistry Class 12 Syllabus 2025: Physical Chemistry

Topics

Details

Solid State

Classification, crystal lattices, unit cells, packing efficiency, imperfections

Solutions

Types, concentration, solubility of gases, solid solutions, Raoult's law, colligative properties

Electrochemistry

Redox reactions, electrochemical cells, electrode potential, Nernst equation, conductance, Kohlrausch's law, electrolysis

Chemical Kinetics

Rate, factors affecting rate, order, molecularity, activation energy, Arrhenius equation, catalysts

Surface Chemistry

Adsorption, catalysis, colloids, emulsions

CBSE Chemistry Class 12 Syllabus 2025: Marks Distribution

The CBSE Class 12 Chemistry theory paper carries a total of 70 marks. The marks distribution for each topic is as follows:

CBSE Chemistry Class 12 Syllabus 2025: Marks Distribution

Topic

Marks

Solutions

7

Electrochemistry

9

Chemical Kinetics

7

d- and f-Block Elements

7

Coordination Compounds

7

Haloalkanes and Haloarenes

6

Alcohols, Phenols and Ethers

6

Aldehydes, Ketones and Carboxylic Acids

8

Amines

6

Biomolecules

7

Total

70

CBSE Chemistry Class 12 Syllabus 2025: Course Structure & Weightage

The CBSE Class 12 Chemistry Syllabus 2025 is structured into ten units, each focusing on specific areas of chemistry. The course structure and weightage for each unit are outlined below:

CBSE Chemistry Class 12 Syllabus 2025: Course Structure & Weightage

Unit

Title

No. of Periods

Marks

1

Solutions

10

7

2

Electrochemistry

12

9

3

Chemical Kinetics

10

7

4

d- and f-Block Elements

12

7

5

Coordination Compounds

12

7

6

Haloalkanes and Haloarenes

10

6

7

Alcohols, Phenols and Ethers

10

6

8

Aldehydes, Ketones and Carboxylic Acids

10

8

9

Amines

10

6

10

Biomolecules

12

7

CBSE Chemistry Class 12 Syllabus 2025: Deleted Topics

The CBSE Chemistry Class 12 syllabus for 2024-25 has undergone significant changes, with five chapters removed from the curriculum. The deleted topics include:

CBSE Chemistry Class 12 Syllabus 2025: Deleted Topics

Unit No.

Unit Name

Deleted Topics

IV

Surface Chemistry

Entire chapter deleted

V

General Principles and Processes of Isolation of Elements

Entire chapter deleted

VI

p-Block Elements

Entire chapter deleted

XII

Organic compounds containing Nitrogen

Cyanides and Isocyanides

XIV

Polymers

Entire chapter deleted

CBSE Chemistry Class 12 Syllabus 2025 FAQs

 Q1. What are the key units in CBSE Chemistry Class 12 Syllabus 2025? 

Answer: The syllabus includes units like Solid State, Solutions, Electrochemistry, Chemical Kinetics, and Organic Chemistry topics such as Haloalkanes, Alcohols, Aldehydes, and more.

Q2. How is the practical component structured in CBSE Chemistry Class 12 Syllabus 2025? 

Answer: The practical component includes experiments like volumetric analysis, salt analysis, and project work, contributing 30 marks out of 100.

Q3. Why is understanding CBSE Chemistry Class 12 Syllabus 2025 important? 

Answer: It helps students plan their studies effectively, allocate time for each topic, and ensures comprehensive preparation for board exams.

Q4. What are the three main sections of CBSE Chemistry Class 12 Syllabus 2025? 

Answer: The syllabus is divided into Inorganic Chemistry, Organic Chemistry, and Physical Chemistry, covering essential topics in each area.

Q5. Which topics have been deleted from CBSE Chemistry Class 12 Syllabus 2025? 

Answer: Deleted topics include Surface Chemistry, General Principles and Processes of Isolation of Elements, p-Block Elements, Organic compounds containing Nitrogen (Cyanides and Isocyanides), and Polymers.

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