Karnataka Board Class 12 · Chemistry

Karnataka 2nd PUC Chemistry Syllabus 2026-27: Chapters List and Blueprint Marks

Karnataka 2nd PUC Chemistry syllabus 2026-27: the 10 chapters in KSEAB's blueprint, marks per chapter, the 70-mark paper pattern and 30-mark practical.

By Gursimer Sethi · Updated 27 Oct 2026

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The Karnataka 2nd PUC Chemistry syllabus for 2026-27 has 10 chapters: Solutions, Electrochemistry, Chemical Kinetics, the d- and f-Block Elements, Coordination Compounds, Haloalkanes and Haloarenes, Alcohols, Phenols and Ethers, Aldehydes, Ketones and Carboxylic Acids, Amines, and Biomolecules. That is the list in KSEAB's official 2026-27 blueprint for subject 34, Chemistry. The theory paper is 70 marks and the practical exam is 30, and the theory paper is on Monday 8 March 2027 in KSEAB's tentative timetable.

Every 5-mark question in the blueprint comes from the five organic chapters, and every 3-mark question from the five physical and inorganic chapters. Plan your revision around that split.

TL;DR

  • 10 chapters for 2026-27. Solid State, Surface Chemistry, Isolation of Elements, p-Block Elements, Polymers and Chemistry in Everyday Life are not in the blueprint.
  • Theory: 70 marks, 3 hours, 46 questions in five parts. Practical: 30 marks.
  • The blueprint sets 105 marks of questions, and you answer questions worth 70.
  • Organic chemistry carries the most: 47 of the 105 marks.
  • Exam-1 date: Monday 8 March 2027, 10 am to 1 pm (tentative timetable dated 8 October 2026).

Which chapters are in the 2nd PUC Chemistry syllabus for 2026-27?

KSEAB's blueprint lists these ten units, in this order, with the teaching hours it assigns to each:

  1. Solutions (14 hours)
  2. Electrochemistry (14 hours)
  3. Chemical Kinetics (14 hours)
  4. The d- and f-Block Elements (12 hours)
  5. Coordination Compounds (12 hours)
  6. Haloalkanes and Haloarenes (10 hours)
  7. Alcohols, Phenols and Ethers (12 hours)
  8. Aldehydes, Ketones and Carboxylic Acids (14 hours)
  9. Amines (8 hours)
  10. Biomolecules (10 hours)

That is 120 teaching hours in all. Units 1 to 3 are physical chemistry, units 4 and 5 inorganic, and units 6 to 10 organic. The order matches the current NCERT Class 12 Chemistry textbook, so the chapter numbers in your book should be the same.

The 2026-27 2nd PUC Chemistry syllabus is these ten chapters and nothing else.

Which chapters are no longer in 2nd PUC Chemistry?

Older guides, including an earlier version of this page, still list 16 units. Six of them are not in the 2026-27 blueprint:

  • The Solid State
  • Surface Chemistry
  • General Principles and Processes of Isolation of Elements
  • The p-Block Elements
  • Polymers
  • Chemistry in Everyday Life

If you are using an old guide or a senior's notes, cross these chapters off. Questions from them do not appear in the blueprint or in KSEAB's 2026-27 model question papers.

Drop these six units; the blueprint gives them no marks.

How many marks does each 2nd PUC Chemistry chapter carry?

The tables further down this page give the marks for every chapter, copied from the blueprint. Two things to know before you read them.

First, the marks add up to 105, not 70. The paper offers choice, so the blueprint counts every question set, and you answer questions worth 70. Second, the split by question type is uneven, and this is the useful part:

  • All six 5-mark questions (Part D) come from the organic chapters: one each from Haloalkanes, Alcohols, Amines and Biomolecules, and two from Aldehydes, Ketones and Carboxylic Acids.
  • All fifteen 3-mark questions (Parts C and E) come from the physical and inorganic chapters. Electrochemistry alone has four of them.
  • The 1-mark and 2-mark questions are spread across all ten chapters.

Organic chapters carry 47 of the 105 marks, physical 37 and inorganic 21. The heaviest single chapter is Electrochemistry with 13 marks.

What is the 2nd PUC Chemistry paper pattern?

KSEAB's model question paper 1 for 2026-27 has 46 questions in five parts, for 70 marks in 3 hours:

  • Part A: 15 multiple-choice questions and 5 fill-in-the-blanks, 1 mark each, all compulsory (20 marks).
  • Part B: answer 3 of 5 questions, 2 marks each (6 marks).
  • Part C: answer 3 of 5 and then 2 of 4 questions, 3 marks each (15 marks).
  • Part D: answer 4 of 6 questions, 5 marks each (20 marks).
  • Part E: numerical problems, answer 3 of 6, 3 marks each (9 marks).

Part E is where physical chemistry pays. The problems are calculations from the physical chapters; model paper 1, for example, opens Part E with a cell reaction to work on. Write the formula, substitute the values with units, and give the answer with its unit, because each step carries marks.

The paper is 20 compulsory 1-mark questions, then choice in Parts B to E, with 9 marks of numericals at the end.

How is the 30-mark Chemistry practical exam marked?

The practical exam is 2 hours. KSEAB's scheme of evaluation splits the 30 marks like this:

  • Salt analysis, 10 marks: preliminary tests, then the acid radical and basic radical, each with group, radical and confirmatory test.
  • Titration, 10 marks: molarity of KMnO4 using a standard 0.1 M FAS (Mohr's salt) solution, with the procedure written out.
  • Attendance of 75% or more in theory and practical classes, 5 marks.
  • A completed and certified practical record, 5 marks.

The scheme posted on KSEAB's 2026-27 page is labelled 2025-26, so check with your college if anything changes for 2027. Ten of the 30 marks depend only on attendance and your record, so do not lose them.

Practicals: 20 marks for salt analysis and titration, 10 for attendance and the record.

How should you plan 2nd PUC Chemistry revision?

My suggestion, based on the blueprint:

  1. Finish the five organic chapters first. They decide all of Part D, and they also have 1-mark and 2-mark questions in Parts A and B.
  2. Practise numericals from Solutions, Electrochemistry and Chemical Kinetics every week for Part E.
  3. Learn Coordination Compounds and d- and f-Block Elements for the 3-mark theory questions in Part C: VBT, isomerism, and the trends in transition elements.
  4. Write at least two of KSEAB's 2026-27 model papers in 3 hours, and get them checked.

You can download the model papers, the blueprint and the question bank from KSEAB's II PUC Student Corner. For dates of all subjects, see our Karnataka board exam dates post, and our Karnataka 2nd PUC Physics syllabus post covers the paper you write on 4 March 2027.

Gradehunt's Karnataka board test series gives you full 2nd PUC papers to write by hand and upload. A subject expert checks each one within 48 hours, with step-wise marks and comments on where marks went, and your first paper is checked free.

Karnataka Board Class 12 · Chemistry

Know the syllabus? Now test it chapter by chapter.

Board-pattern papers for every chapter, checked with marks and remarks.

  1. 1Get an exam-pattern paper
  2. 2Write it at home, upload one PDF
  3. 3Checked with marks and remarks in 48 hours

Chapter-wise marks: physical and inorganic chemistry

Marks per chapter in KSEAB's 2026-27 blueprint, including the choice questions.

ChapterMarks in blueprint

1. Solutions

12

2. Electrochemistry

13

3. Chemical Kinetics

12

4. The d- and f-Block Elements

10

5. Coordination Compounds

11

Total, chapters 1 to 5

58

Chapter-wise marks: organic chemistry

These five chapters carry 47 marks in the blueprint, and all six 5-mark questions.

ChapterMarks in blueprint

6. Haloalkanes and Haloarenes

9

7. Alcohols, Phenols and Ethers

10

8. Aldehydes, Ketones and Carboxylic Acids

12

9. Amines

7

10. Biomolecules

9

2nd PUC Chemistry paper pattern (70 marks, 3 hours)

From KSEAB's 2026-27 model question paper 1.

PartQuestions and marks

Part A

15 MCQs and 5 fill-in-the-blanks, all compulsory, 20 marks

Part B

Answer 3 of 5, 2 marks each, 6 marks

Part C

Answer 3 of 5 and 2 of 4, 3 marks each, 15 marks

Part D

Answer 4 of 6, 5 marks each, 20 marks

Part E (problems)

Answer 3 of 6, 3 marks each, 9 marks

Marks by branch

Blueprint totals by branch. The paper sets 105 marks of questions and you answer 70.

BranchMarks in blueprint

Physical chemistry (chapters 1 to 3)

37

Inorganic chemistry (chapters 4 and 5)

21

Organic chemistry (chapters 6 to 10)

47

Total (with choice)

105

Updates to this page

  • 22 October 2026: rewritten for 2026-27 from KSEAB's official blueprint. The six chapters no longer in the syllabus are removed, and the chapter marks, paper pattern and practical marks now follow KSEAB's documents.

Finished reading? Now test yourself.

Chapter-wise tests in the latest board pattern, checked with remarks. Test series ₹499/subject.

  1. 1Get an exam-pattern paper
  2. 2Write it at home, upload one PDF
  3. 3Checked with marks and remarks in 48 hours

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Frequently Asked Questions

Q1.How many chapters are there in 2nd PUC Chemistry for 2026-27?

Ans.

Ten. 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, as listed in KSEAB's 2026-27 blueprint.

Q2.Is Solid State in the 2nd PUC Chemistry syllabus?

Ans.

No. Solid State is not in the 2026-27 blueprint, and neither are Surface Chemistry, Isolation of Elements, p-Block Elements, Polymers or Chemistry in Everyday Life. A student revising from an old guide should skip these six.

Q3.Which chapter has the highest weightage in 2nd PUC Chemistry?

Ans.

Electrochemistry, with 13 marks in the blueprint. Solutions, Chemical Kinetics and Aldehydes, Ketones and Carboxylic Acids follow with 12 marks each. Remember these totals include choice, so you will not need all of them.

Q4.What is the total mark for 2nd PUC Chemistry?

Ans.

100: 70 for the theory paper and 30 for the practical exam. The theory paper is 3 hours long and has 46 questions in five parts.

Q5.When is the 2nd PUC Chemistry exam in 2027?

Ans.

Monday 8 March 2027, from 10 am to 1 pm, in KSEAB's tentative Exam-1 timetable dated 8 October 2026. Check the final timetable when KSEAB publishes it.

Q6.Are numerical problems compulsory in 2nd PUC Chemistry?

Ans.

Part E has 6 numerical problems of 3 marks each, and you answer 3, so you can pick. Once the formulas are practised, these are 9 marks you can plan for.

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