ISC 12th Chemistry Marks Distribution 2026 Chapter-Wise

Rini Maria

Updated On: December 11, 2025 10:01 AM

Detailed ISC 12th Chemistry Marks Distribution 2026 Chapter-Wise as per the official notification is provided for the reference of the students, for the exam to be held on February 23, 2026. 
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ISC 12th Chemistry Marks Distribution 2026 Chapter-WiseISC 12th Chemistry Marks Distribution 2026 Chapter-Wise

ISC 12th Chemistry Marks Distribution 2026 Chapter-Wise: The detailed blueprint for the ISC 12th Chemistry Marks Distribution 2026 is provided here for students' reference. The exam is scheduled to be conducted on February 23, 2026, across the country. Students appearing for the Chemistry exam should refer to the blueprint provided here and prepare accordingly for the upcoming board exams. As the pattern, the Chemistry exam will have 70 marks for the theory exam and 30 marks for the practical exam. The theory paper will have three sections carrying various weightage. Students must check the detailed section-wise weightage and prepare accordingly. Additionally, with only two months left for the exams, students are advised to strategise their preparations to get the best results.

ISC 12th Chemistry Marks Distribution 2026 Chapter-Wise

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As per the exam pattern, the Chemistry question paper will have questions from three parts: Physical Chemistry, Inorganic Chemistry, and Organic Chemistry. Here, a detailed marks distribution for all chapters is provided for students to check and prepare for the board exams:

Unit Name
Total Weightage
Solutions
Physical Chemistry
25 Marks
Electrochemistry
Chemical Kinetics
d -and f -Block Elements
Inorganic Chemistry
14 Marks
Coordination Compounds
Haloalkanes and Haloarenes
Organic Chemistry
31 Marks
Alcohols, Phenols and Ethers
Aldehydes, Ketones and Carboxylic Acids
Organic Compounds containing Nitrogen
Biomolecules
Total
70 Marks

ISC 12th Chemistry Marks Distribution 2026 Chapter-Wise: Types of Questions

Candidates shall refer to the detailed types of questions and marks for each section for reference and prepare accordingly:

Section Questions Type Marks
Section A Short-answer Questions 20
Section B Long-answer Questions 30
Section C Application-based Questions 20\

For candidates appearing for the ISC 12th Chemistry 2026 exams, it is advisable to refer to the past 3 years' questions for and check for expected questions. Students must ensure to complete the theories and chemical bonding formulas well to ensure good scores. Overall, the chemistry is expected to be moderate level of difficulty, so candidates must be prepared.

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