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The official syllabus for 2026–27 Class 12 Chemistry has been released on the official CBSE website. Chemistry is an important subject of Class 12. It is more than just equations and reactions and explores the science behind everyday phenomena.
It revolves around students’ understanding about core chemical principles, molecular interactions, reaction mechanisms, and practical laboratory skills, helping them connect theoretical concepts with real-life chemical processes.
CBSE Class 12 Chemistry Syllabus PDF
CBSE Class 12 Chemistry Syllabus 2026-27 Overview
The CBSE Class 12 Chemistry syllabus introduces students to key chemical concepts that help them understand the composition, structure, and transformations of matter. It plays an important role in building a strong base for higher studies in fields such as medicine, engineering, pharmacy, and chemical sciences.
The syllabus is organised into major sections that cover Physical Chemistry, Organic Chemistry, and Inorganic Chemistry, allowing students to explore topics like electrochemistry, chemical kinetics, coordination compounds, organic reactions, and biomolecules.
Key Highlights:
- Total Marks: 100
- Theory Exam: 70 Marks
- Project Work: 30 Marks
- Time Duration: 3 Hours
Class 12 Chemistry Expected Weightage 2026-27
The CBSE Chemistry Class 12 Syllabus 2026-27 is designed to ensure a balanced assessment of students’ theoretical knowledge and practical laboratory skills.
The theory section carries 70 marks and covers important areas of Physical, Organic, and Inorganic Chemistry, helping students understand chemical reactions, molecular structures, and real-world chemical applications.
Along with theory, the practical component carries 30 marks, where students are evaluated through volumetric analysis, salt analysis, content-based experiments, project work, and viva voce.
The table below shows the expected unit-wise weightage and the overall marks distribution for both theory and practical components in the Class 12 Chemistry syllabus.
CBSE Syllabus Class 12 Chemistry: Breakdown
Here’s a simplified breakdown of the CBSE Class 12 Chemistry syllabus.
Unit I: Solutions
This unit focuses on the properties of solutions and how the concentration of substances affects their physical behaviour.
You will study:
- Types of solutions
- Expression of Concentration of Solutions
- Solubility
- Vapour Pressure of Liquid Solutions
- Ideal and Non-Ideal Solutions
- Colligative Properties and Determination of Molar Mass
- Abnormal Molecular Mass
Unit II: Electrochemistry
This unit explains how chemical reactions produce electricity and how electrical energy drives chemical changes.
Topics include:
- Electrochemical Cells
- Galvanic Cells
- Nernst Equation
- Conductance of Electrolytic solutions
- Electrolytic Cells and Electrolysis
- Batteries
- Fuel Cells
- Corrosion
Unit III: Chemical Kinetics
This unit studies the rate of chemical reactions and the factors that influence them.
You’ll learn:
- Rate of Chemical Reaction
- Factors influencing rate of reaction
- Integrated rate equations
- Temperature Dependence of the rate of a reaction
- Collision theory of Chemical Reactions
Unit IV: d- and f-Block Elements
This unit deals with the properties and behaviour of transition elements and inner transition elements.
Topics include:
- Position in the Periodic Table
- Electronic configuration of the d-Block Elements
- General properties of the Transition Elements (d-Block)
- Some Important Compounds of Transition Elements
- The Lanthanoids
- The Actinoids
- Some Applications of d- and f- Block Elements
Unit V: Coordination Compounds
This unit introduces coordination chemistry and explains the bonding and structure of coordination compounds.
You will study:
- Werner’s Theory of Coordination Compound
- Definition of Some important terms pertaining to Coordination Compounds
- Nomenclature of Coordination Compounds
- Isomerism in Coordination Compounds
- Bonding in coordination compounds
- Bonding in Metal Carbonyls
- Importance and Applications of Coordination Compounds
Unit VI: Haloalkanes and Haloarenes
This unit explores the structure, properties, and reactions of halogen-containing organic compounds.
Topics include:
- Classification
- Nomenclature
- Nature of C–X bond, Methods of Preparation of Haloalkanes
- Preparation of Haloarenes
- Physical Properties
- Chemical Reactions
- Polyhalogen Compounds
Unit VII: Alcohols, Phenols and Ethers
This unit focuses on the preparation, properties, and uses of important oxygen-containing organic compounds.
You’ll learn:
- Classification
- Nomenclature
- Structures of Functional Groups
- Alcohols and Phenols
- Some commercially Important Alcohols
- Ethers
Unit VIII: Aldehydes, Ketones and Carboxylic Acids
This unit explains the chemistry of carbonyl compounds and carboxylic acids.
Topics include:
- Nomenclature and Structure of Carbonyl Group
- Preparation of Aldehydes and Ketones
- Physical Properties and Chemical Reactions
- Uses of Aldehydes and Ketones
- Nomenclature Structure of Carboxyl Group
- Methods of Preparation of Carboxylic Acids
- Physical Properties and Chemical Reactions
- Uses of Carboxylic Acids
Unit IX: Amines
This unit studies nitrogen-containing organic compounds and their chemical behaviour.
You will study:
- Structure of Amines
- Classification
- Nomenclature
- Preparation of Amines
- Methods of Preparation of Diazonium Salts
- Chemical Reactions Importance of Diazonium Salts in Synthesis of Aromatic Compounds
Unit X: Biomolecules
This unit connects chemistry with biology by explaining the chemical basis of life.
Topics include:
- Carbohydrates
- Proteins
- Enzyems
- Vitamins Nucleic Acids
- Hormones
Class 12 Chemistry Practicals (2026-27)
The CBSE Class 12 Chemistry practicals for 2026-27 (based on 2025-26, 2026 guidelines) comprise a 30-mark exam covering volumetric analysis (titration), salt analysis (qualitative analysis), content-based experiments, and a project.
Key experiments include:
- Volumetric analysis to determine the concentration of solutions through titration
- Salt analysis to identify acidic and basic radicals in inorganic salts
- Content-based experiments related to chemical reactions and properties
Practical activities include:
- Performing laboratory experiments using proper techniques and safety measures
- Recording observations and results in the practical record file
- Preparing and presenting a chemistry investigatory project
- Viva voce based on experiments, concepts, and laboratory work
Chemistry Formative Assessment Topics (Not Included in Summative Assessment)
With the updated syllabus, these topics are incorporated to enhance conceptual understanding and support meaningful learning, and can be effectively integrated within the existing chapters of Class 12 Chemistry.
Competency-based Question Paper Design
To ensure a fair and comprehensive assessment, the Chemistry question paper is designed based on competency-based evaluation guidelines. The questions aim to test students’ conceptual clarity, problem-solving abilities, and their understanding of chemical principles and reactions.
The paper includes a mix of knowledge-based, application-based, and higher-order thinking questions, allowing students to demonstrate their analytical and reasoning skills.
The table below shows the percentage distribution of questions across easy, medium, and difficult levels in the Chemistry examination.
How to Prepare for Chemistry Class 12th 2026-27 Board
It is important for students to understand the syllabus properly and plan their studies accordingly. Here’s a plan which can help you prepare well for the chemistry exam.
Understand the Syllabus and Weightage
Before diving into your studies, go through the CBSE Class 12 Chemistry syllabus and identify the weightage of each unit. Prioritise topics based on their importance in exams. You can also refer to the Class 12 Physics Syllabus and Class 12 Biology Syllabus for a complete science overview
- Physical Chemistry: Focus on numerical problems and formula-based concepts.
- Inorganic Chemistry: Memorise periodic trends, reactions, and properties.
- Organic Chemistry: Understand reaction mechanisms and functional group transformations.
Create a Weekly Study Schedule
Break down your syllabus into manageable portions and assign specific topics to each week. A well-structured plan ensures that you complete the syllabus on time and have enough time for revision.
Week 1-2: Cover Solutions and Electrochemistry (Physical Chemistry).
Week 3-4: Study Chemical Kinetics, Surface Chemistry, and Metallurgy (Physical + Inorganic).
Week 5-6: Focus on p-block, d-block, and Coordination Compounds (Inorganic Chemistry).
Week 7-8: Start Haloalkanes, Alcohols, and Aldehydes (Organic Chemistry).
Week 9-10: Complete Amines, Biomolecules, and Polymers (Organic Chemistry).
Week 11-12: Revise all topics and solve previous years' questions.
Use NCERT as Your Primary Resource
The NCERT Chemistry textbook is the most important resource for CBSE board exams. Read every chapter carefully, highlight important concepts, and make short notes for quick revision.
Practice Questions Daily
Regular practice is important to mastering Chemistry. Solve:
- NCERT exercises after every chapter.
- Previous years' question papers to understand exam patterns.
- Numerical problems in Physical Chemistry.
- Reactions and equations in Organic and Inorganic Chemistry.
Make Conceptual Notes and Mind Maps
Creating short notes, reaction charts, and formula sheets helps in quick revision before exams. Mind maps are especially useful for understanding reaction mechanisms in Organic Chemistry.
Revise Regularly
- Dedicate one day a week to revision.
- Revise Organic Chemistry mechanisms and name reactions frequently.
- Solve at least one sample paper every week after completing the syllabus.
Focus on Important Topics
Some chapters carry more weight in exams. Pay extra attention to:
- Electrochemistry & Chemical Kinetics: Important numerical problems.
- Coordination Compounds & p-block Elements: Theoretical questions.
- Organic Reactions & Mechanisms: Frequently asked in exams.
To master these high-weightage areas, you can practice the CBSE Class 12 Chemistry Important Questions which are curated based on the latest board exam patterns.
Solve Sample Papers and Mock Tests
Attempting CBSE sample papers and mock tests improves time management and boosts confidence. Try to solve at least 10 sample papers before the final exam.
Stay Consistent and Avoid Last-minute Cramming
Chemistry is best understood through regular study rather than last-minute memorisation. Stick to your schedule, revise regularly, and practice consistently to excel in the exam.
By following this CBSE Class 12 Chemistry study plan, you can strengthen your conceptual understanding, improve your problem-solving skills, and score high marks in both board exams and entrance tests. Stay focused, practice consistently, and success will follow!
FAQs
Q1. Is the CBSE Class 12 Chemistry syllabus 2026-27 officially released?
Ans. Yes, the syllabus for Chemistry Class 12 for the academic session 2026-27 has been released officially and students can check from there.
Q2. Has CBSE introduced competency-based questions in the Chemistry exam 2026-27?
Ans. Yes, CBSE continues competency-based exam pattern with application and analytical questions.
Q3. Has the practical syllabus for Class 12 Chemistry changed in 2026-27?
Ans. The practical portion in Chemistry Class 12 syllabus is the same as the previous year.
Q4. How can students download the official syllabus for Class 12 Chemistry?
Ans. Students can download the syllabus for Chemistry from the official CBSE website or academic resource platforms such as Educart.
Q5. Is the CBSE Class 12 Chemistry syllabus aligned with NEET and JEE preparation?
Ans. Yes, the CBSE syllabus is closely aligned with NCERT concepts, which are important for competitive exams like NEET and JEE.
Q6. Is the weightage of Organic, Physical, and Inorganic Chemistry balanced in 2026-27?
Ans. CBSE maintained a balanced distribution across the three branches of chemistry in the board examination.
Q7. Has CBSE removed any chapters from the Class 12 Chemistry syllabus in 2026-27?
Ans. CBSE hasn’t removed any chapters from the Chemistry syllabus for Class 12 for the new academic session.
Q8. How often does CBSE update the Class 12 Chemistry syllabus?
Ans. CBSE reviews the syllabus periodically to align it with new curriculum guidelines and competency-based learning.
Q9. Which part of Chemistry usually carries more weight in board exams?
Ans. Organic and Physical Chemistry often carry slightly higher weight due to reaction mechanisms and numerical questions.
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