CBSE 12th Chemistry Deleted Syllabus 2026 Check Chapter Wise Syllabus
Table of Contents
The Central Board of Secondary Education has decided to opt for a restructured syllabus for Class 12th Chemistry. The CBSE 12th Chemistry Deleted Syllabus 2026 will help in rationalizing the curriculum to a great extent. Additionally, it will also reduce the academic load of students. Thus, if you are beginning your preparation for the CBSE 12th Exam 2026, then make sure to follow the new syllabus only.
The CBSE 12th Deleted Syllabus 2026 will definitely help you to achieve better marks and because of the reduced syllabus, you will get sufficient time for the preparation of other competitive exams. Chapters like Surface Chemistry, Polymers, General Principles and Processes of Isolation of Elements, and p-Block Elements have been completely eradicated from the syllabus. Even the chapter Organic Compounds Containing Nitrogen has been restructured in a simplified way. In the new syllabus, content has become manageable and many overlapping portions have been cut off. This will help in creating a better exam strategy and the academic burden will also diminish.
This write-up will help you to know about all the aspects of the CBSE 12th Chemistry Deleted Syllabus 2026. So, don’t skip the upcoming information.
Also Read: CBSE Class 12 Syllabus 2026
What is CBSE 12th Chemistry Deleted Syllabus 2026?
Once you analyze the CBSE 12th Chemistry Deleted Syllabus 2026 then you can create a realistic study plan. Here is an idea about the chapter-wise eliminated topics in the subject of Chemistry -
|
Chapters |
Deleted Topics |
|
Surface Chemistry (Unit IV) |
Complete chapter removed |
|
General Principles and Processes of Isolation of Elements (Unit V) |
Complete chapter removed |
|
p-Block Elements (Unit VI) |
Complete chapter removed |
|
Polymers (Unit XIV) |
Complete chapter removed |
|
Organic Compounds Containing Nitrogen (Unit XII) |
Renamed to Amines (Unit 9) Cyanides and Isocyanides |
Also Read: CBSE 12th Class Admit Card
How to get the CBSE 12th Chemistry Syllabus 2026 PDF?
You must always use an updated syllabus while preparing for the subject of Chemistry. The table here shares the updated PDF for the CBSE 12th Chemistry syllabus. Hence, just follow the link shared below –
|
CBSE 12th Chemistry Syllabus 2026 – Download PDF |
Also Read: CBSE Class 12th Previous Year Question Papers
What is the Exact CBSE 12th Chemistry Question Paper Pattern 2026?
The CBSE 12th Chemistry Theory question paper will be of 70 marks and 30 marks will be reserved for the practical assessment. Hence, the full weightage of the CBSE 12th Chemistry exam will be 100 marks. For the theory paper, you will be given the initial 15 minutes to read the paper and in the next 3 hours, you will have to solve the questions. There will be 5 sections from A to E and in totality; you will have to answer 33 questions. These questions will be a mix of MCQs, very short, short, case-based, and long answer-type questions. The table underneath will help you to understand the CBSE 12th Chemistry question paper pattern in the right way -
|
Section |
Number of Questions |
Marks Allotted |
|
A |
16 questions of 1 mark each
(MCQs) |
16 x 1 = 16 |
|
B |
5 questions of 2 marks each
(very short answer type questions) |
5 x 2 = 10 |
|
C |
7 questions of 3 marks each
(short answer type questions) |
7 x 3 = 21 |
|
D |
2 questions of 4 marks each
(case-based questions) |
2 x 4 = 8 |
|
E |
3 questions of 5 marks each
(long answer type questions) |
3 x 5 = 15 |
|
Total |
33 Questions |
70 Marks |
Also Read: CBSE Class 12th Sample Papers
What is the CBSE 12th Chemistry Topics Weightage 2026?
You must always devote some time to understanding the topic-wise weightage for the subject of Chemistry. In this way, you can decide how much time a particular topic needs. Here is the table with the topic-wise weightage for the CBSE 12th Chemistry -
|
Topics |
Weightage |
|
Solutions – types of solutions, solid solutions, Raoult’s law, elevation of boiling point, osmotic pressure, abnormal molecular mass, etc. |
7% |
|
Electrochemistry – redox reactions, EMF of a cell, molar conductivity, fuel cells, corrosion, Kohlrausch’s law, etc. |
9% |
|
Chemical Kinetics – rate of a reaction, factors affecting rate of reaction, catalyst, rate law and specific rate constant, collision theory, etc. |
7% |
|
d- and f- Block Elements – general introduction, electronic configuration, ionization enthalpy, oxidation states, catalytic property, lanthanides, actinides, etc. |
7% |
|
Coordination Compounds – coordination number, magnetic properties, and shapes, Werner’s theory, VBT, CFT, the importance of coordination compounds, etc. |
7% |
|
Haloalkanes and Haloarenes – nomenclature, nature of C-X bond, optical rotation, substitution reactions, DDT, etc. |
6% |
|
Alcohols, Phenols, and Ethers – primary alcohols, secondary and tertiary alcohols, ethanol, chemical properties of phenols, chemical properties of ethers, etc. |
6% |
|
Aldehydes, Ketones, and Carboxylic Acids – carbonyl group, properties of carboxylic acids, nucleophilic addition, etc. |
8% |
|
Amines – classification of amines, diazonium salts, etc. |
6% |
|
Biomolecules – types of carbohydrates, proteins, and vitamins, DNA, RNA, etc. |
7% |
|
Practical Assessment |
30% |
You must understand that these percentages are near-about values based on the findings latest CBSE 12th Chemistry syllabus pattern. To obtain the correct and most up-to-date knowledge about the weightage or syllabus, you must visit the designated website of the board at cbseacademic.nic.in.
Also Read: CBSE Class 12th Exam Preparation Tips
What are the Benefits of the CBSE 12th Chemistry Deleted Syllabus 2026?
There are multiple benefits of the CBSE 12th Chemistry Deleted Syllabus 2026. Here is an idea –
-
You will feel less academic pressure because of the reduced syllabus.
-
It is an excellent chance to improve your scores in Chemistry.
-
You can focus more on strengthening the fundamental concepts.
-
The saved time can be used for the preparation of other important exams after the 12th class.
-
While solving the past years’ CBSE Chemistry sample papers and question papers, you can skip the questions from the deleted syllabus.
-
The reduced syllabus will surely help you to create a smart and effective preparation plan.
For more informative updates about the CBSE 12th Exam, follow Getmyuni!
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