CBSE Class 12 Chemistry Syllabus 2026-27: Check Updated Curriculum Released, Check Detailed Unit-Wise Syllabus PDF Here

All the science stream students with Chemistry as one of their major subjects must have started their preparation for the final board exams. And to start the preparation, students need to firstly go through the CBSE Class 12 Chemistry Syllabus carefully to score well in the exams. Students can now check and download their newly updated syllabus for the academic year 2026-27 by simply visiting the official website of the Central Board of Secondary Education, i.e., www.cbseadamic.nic.in.

They can also check the detailed unit-wise breakdown of Physical, Organic, and Inorganic Chemistry syllabus in the article below. Along with the syllabus, students are advised to also check important topics, exam pattern, marking scheme, and the most important CBSE Class 12th Chemistry Sample Papers with solutions to practice more effectively.  The class 12 Chemistry syllabus not only includes the theory part but also covers practical experiments to enhance problem-solving and application-based learning.

CBSE Class 12 Chemistry Syllabus 2026-27

The CBSE has formally released the Class 12 Chemistry curriculum for the 2025–2026 academic year. It provides students with a thorough understanding of the subject by covering ten in-depth units. The test consists of two sections: 30 marks for practical work and the rest 70 marks are for the theory exam. Students can better plan their preparation and know exactly what to study.

   CBSE Class 12 Chemistry Syllabus 2027

  CBSE Class 12 Syllabus for All Subjects

CBSE Class 12 Sample Paper for All Subjects

CBSE Class 12th Chemistry Unit Wise Syllabus 2026

As per the newly updated CBSE Class 12th curriculum, the chemistry syllabus is divided into 9 different divided, which are further divided into Physical, Organic, and Inorganic Chemistry. Students can check the detailed unit-wise CBSE Class 12th Chemistry Syllabus in the table shared below.

CBSE Class 12th Chemistry Unit-Wise Syllabus 2025-26
Unit Name of the Unit Marks
Unit 1 Some Basic Concepts of Chemistry 07
Unit 2 Structure of an Atom 09
Unit 3 Classification of Elements and Periodicity in Properties 06
Unit 4 Chemical Bonding and Molecular Structure 07
Unit 5 Chemical Thermodynamics 09
Unit 6 Equilibrium 07
Unit 7 Redox Reactions 04
Unit 8 Organic Chemistry: Some Basic Principles and Techniques 11
 Unit 9 Hydrocarbons 10
Total 70 Marks

CBSE Class 12 Chemistry Syllabus 2026-27 [Detailed]

To help students prepare for their exams, the CBSE Class 12 Chemistry Syllabus 2026-27 has been provided here in a comprehensive, chapter-by-chapter or unit-by-unit format. Here is the detailed syllabus given below:

Unit 1: Some Basic Concepts of Chemistry

  • Foundations
  • Building blocks
  • Quantitative chemistry
  • Reactions

Unit 2: Structure of an Atom

  • Subatomic particles
  • Atomic models
  • Quantum ideas
  • Orbitals
  • Electron filling rules
  • Configuration

Unit 3: Classification of Elements and Periodicity in Properties

  • Classification
  • Periodic trends
  • Nomenclature

Unit 4: Chemical Bonding and Molecular Structure

  • Types of bonds
  • Representing bonds
  • Theories
  • Shapes
  • Molecular orbital theory
  • Hydrogen bond

Unit 5: Chemical Thermodynamics

  • Basic concepts
  • First law
  • Hess’s law
  • Second law
  • Equilibrium and third law

Unit 6: Equilibrium

  • Basics
  • Factors affecting equilibrium
  • Iconic equilibrium
  • PH and solutions
  • Solubility

Unit 7: Redox Reactions

  • Concepts
  • Balancing
  • Applications

Unit 8: Organic Chemistry – Some Basic Principles and Techniques

  • Introduction
  • Purification and analysis
  • Electronic effects
  • Bond fission
  • Reagents and reactions

Unit 9: Hydrocarbons

  • Aliphatic
  • Alkanes 
  • Alkenes
  • Alkynes Aromatic Hydrocarbons
  • Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties.

CBSE Class 12 Chemistry Exam Pattern

Evaluation Parameter Board Specification
    Conduction Board Central Board of Secondary Education

 (CBSE)

    Academic Class Class 12  (Senior Secondary)
      Subject Name  Chemistry
      Subject code 043
    Maximum Marks 100 Marks (Total Evaluation)
    Theory Component  70 Marks (Written Board Examination)
    Internal Component 30 Marks (Practical, Project, Viva-voce)
      Exam Duration 3 Hours
    Syllabus Structure Divided into 2 core sections (Theory Paper & Internal Assessment

CBSE Class 12th Chemistry Syllabus 2026 for Practical Exams

For Class 12 Chemistry, the practical exam is an important part of the final assessment. It carries a weightage of 30 marks, which is added to the theory marks to make the total of 100. The practical exam evaluation is based on different aspects such as laboratory experiments, project work, class records maintenance, and viva. Each section is allotted specific marks, ensuring that students are judged not only on experiments but also on their overall understanding, presentation, and record-keeping skills.

CBSE Class 12th Chemistry Syllabus for Practical Exams 
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

CBSE Class 12th Chemistry Syllabus 2026-27 PDF Download Link

The Central Board of Secondary Education (CBSE) has officially released the updated Class 12 Chemistry syllabus for the academic year 2026-27 at its official website in online PDF format. If you are appearing for the CBSE Class 12 Chemistry exam in 2026, make sure to check the latest syllabus first. Download the detailed CBSE Class 12 Chemistry Syllabus 2026-27 PDF from the direct link that has been shared below.

Preparation Tips for CBSE Class 12 Chemistry Syllabus 2026-27

Students preparing for the upcoming CBSE Class 12th Board exams with the science stream must be confused about how to start the preparation for the Class 12 Chemistry exam. No worries! We got you covered with the most effective preparation tips for the CBSE Class 12 Chemistry Exam prep.

Stick to the NCERT First

  • Make sure not to get confused with a huge bundle of refrence books, just stick to the NCERT line by line because most CBSE questions come directly from it.
  • Solve all in-text and exercise questions without skipping.

Plan Chapter-Wise

  • Physical Chemistry (numericals): Practice formulas daily from Solid State, Solutions, Electrochemistry, and Chemical Kinetics.
  • Organic Chemistry: Focus on name reactions and mechanisms. Make flowcharts for easy recall.
  • Inorganic Chemistry: Learn NCERT tables and exceptions with short tricks.

Practice Previous Year Papers

  • Make sure to solve the last 5–7 years’ Question papers and the latest CBSE sample paper.
  • Practice in 3-hour slots to improve speed and accuracy.

Make Smart Notes

  • Create one-page sheets for reactions with reagents, conditions, and products.
  • Use mnemonics for Inorganic to memorize easily.

Revise Regularly

  • Spend at least 1 hour daily on Chemistry revision.
  • Revise formulas, equations, and tables every weekend.

Don’t Ignore Practicals

  • The practical exam is 30 marks. Practice salt analysis, titration, and viva questions from the NCERT Lab Manual.

Focus on High-Weightage Chapters

  • Electrochemistry, Solid State, Solutions, Amines, Aldehydes & Ketones, Polymers, Biomolecules, Surface Chemistry, and Coordination Compounds.

Write & Practice

  • Don’t just read; practice writing answers and equations, as it has been proven that writing helps to increase long-term memory.
  • Make sure to take short breaks, do not sit continuously for 5-6 hours, as it also reduces interest and concentration. By taking short breaks, you can refresh your mind and stay consistent with your routine.

 

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