Home » CBSE Class 12 Chemistry Syllabus 2025-26: Chapters, Exam Pattern & Marking Scheme

Class 12 Chemistry isn’t just about memorizing formulas—it’s the gateway to understanding real-world science and excelling in competitive exams like NEET and JEE. This subject demands conceptual clarity, practical knowledge, and a strategic approach for success in the CBSE board exam.

In the academic year 2025–26, the CBSE Class 12 Chemistry syllabus is designed to encourage analytical thinking and real-life application of core concepts. Let’s explore the updated syllabus, exam pattern, marking scheme, and topic-wise weightage.

🔍 Why Class 12 Chemistry Matters

Unlike earlier classes where rote learning played a major role, Class 12 Chemistry requires a deeper understanding of:

  • Organic reaction mechanisms
  • Numerical problem-solving in physical chemistry
  • Key inorganic chemistry concepts

A blend of consistent revision, logical reasoning, and targeted practice can make mastering chemistry more manageable than it seems.

📝 CBSE Class 12 Chemistry Exam Pattern 2025-26

The Class 12 Chemistry board exam 2026 will assess both theoretical understanding and practical application. Expect a mix of:

  • Multiple-choice questions (MCQs)
  • Short answer questions
  • Long answer/descriptive questions
  • Case-based and competency-based questions

The paper will test your grasp of concepts from all three branches—Physical, Inorganic, and Organic Chemistry.

📊 Class 12 Chemistry Marking Scheme 2025-26

The 2025–26 academic year introduces a balanced marking scheme, ensuring that students are fairly evaluated on both conceptual knowledge and analytical skills.

ComponentMarks
Theory Paper70
Practical Exam30
Total100

 

📚 Class 12 Chemistry Syllabus 2025-26 – Chapter-Wise Breakdown

🔬 Physical Chemistry

UnitChapter NameKey Concepts Covered
IISolutionsTypes, concentrations, colligative properties, Raoult’s Law, abnormal molar masses
IIIElectrochemistryRedox reactions, Faraday’s laws, Nernst equation, galvanic & electrolytic cells
IVChemical KineticsRate laws, order of reaction, activation energy, collision theory

⚗️ Inorganic Chemistry

UnitChapter NameKey Concepts Covered
VIIId- and f-Block ElementsTransition elements, electronic configurations, oxidation states, lanthanoids, actinoids
IXCoordination CompoundsLigands, coordination number, Werner theory, applications, isomerism, hybridization

🧬 Organic Chemistry

UnitChapter NameKey Concepts Covered
XHaloalkanes and HaloarenesSN1/SN2 mechanisms, nucleophilic substitution, elimination reactions
XIAlcohols, Phenols, EthersAcidity of phenol, preparation & uses, diazonium salt reactions
XIIAldehydes, Ketones, Carboxylic AcidsNucleophilic addition, oxidation, reduction, preparation methods
XIIIAminesBasicity, preparation, reaction with nitrous acid, diazonium salt applications
XIVBiomoleculesProteins, enzymes, carbohydrates, nucleic acids, vitamins, hormones

Download the PDF of CBSE Chemistry class 12 from here:

PDF Chemistry Syllabus class 12

🧭 Branch-Wise Distribution of Class 12 Chemistry

Chemistry is neatly divided into three core branches, each with distinct focus areas and relevance for future studies:

1. Physical Chemistry

  • Quantitative and theoretical analysis of chemical systems
  • Chapters: Solutions, Electrochemistry, Chemical Kinetics

2. Inorganic Chemistry

  • Study of elements, compounds, and their reactions
  • Chapters: d- and f-Block Elements, Coordination Compounds

3. Organic Chemistry

  • Study of carbon compounds, mechanisms, and functional groups
  • Chapters: Haloalkanes, Alcohols, Aldehydes, Amines, Biomolecules

🧠 How to Score High in CBSE Class 12 Chemistry

To excel in the 2026 Chemistry board exam, follow these proven strategies:

  • Understand reaction mechanisms, especially in organic chemistry
  • Solve numerical problems regularly in physical chemistry
  • Revise NCERT line-by-line, especially for inorganic chapters
  • Practice past papers and sample papers from CBSE and trusted sources
  • Use visual aids like flowcharts and mind maps for better retention

Conclusion

Class 12 Chemistry is more than a subject—it’s a stepping stone to top engineering and medical colleges. With a smart preparation plan, the right resources, and regular practice, scoring high becomes achievable. Stay consistent, stay curious, and let Chemistry become your strength!

Frequently Asked Questions (FAQs)

Q1. What is the best way to study Organic Chemistry for Class 12?
A: Focus on understanding reaction mechanisms rather than rote memorization. Practice naming reactions, work through conversions, and revise regularly using NCERT and reference books like MS Chauhan. Making reaction flowcharts can also boost retention.

Q2. Is NCERT enough for scoring 90+ in Class 12 Chemistry?
A: Yes, NCERT is sufficient for scoring well in the CBSE board exam, especially for theory-based and conceptual questions. However, for numerical problems and competitive exams like NEET or JEE, supplementing with additional practice from reference books is recommended.

Q3. How can I manage time effectively while preparing for Class 12 Chemistry?
A: Create a weekly study plan that allocates time to Physical, Organic, and Inorganic Chemistry. Set daily goals, revise regularly, solve previous years’ papers, and focus on weak areas early. Using topic-wise study sessions can help optimize your time.

 

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