Tamil Nadu 12th Chemistry Deleted Syllabus 2026 Check Chapter Wise Syllabus

Abhishek Joshi

Updated on - Jun 20, 2025

Table of Contents

What is the Precise Tamil Nadu 12th Chemistry Deleted Syllabus 2026?
How to Get the Tamil Nadu 12th Chemistry Syllabus 2026 PDF?
What is the Accurate Tamil Nadu 12th Chemistry Question Paper Pattern 2026?
What is the Exact Tamil Nadu 12th Chemistry Topics Weightage 2026?
What are the Benefits of the Tamil Nadu 12th Chemistry Deleted Syllabus 2026?

The Tamil Nadu Directorate of Government Examinations has the authority to make modifications to the 12th class syllabus in the state. The decision to opt for the Tamil Nadu 12th chemistry Deleted Syllabus is highly beneficial for the students. The revised syllabus will reduce the workload and the curriculum will become more rational. Thus, if you are preparing for the Tamil Nadu 12th Exam 2026, ensure that you follow the updated syllabus only.

The Tamil Nadu 12th Deleted Syllabus will certainly help in drafting the right preparation strategy. Because of the syllabus rationalization process, many topics and sub-topics have been eradicated. This will streamline the academic structure and a lot of time will be saved. You can utilize this saved time for the preparation of other competitive exams. The board authorities have deleted various non-essential and higher-order application-based sections from the Chemistry syllabus. Even the repetitive and outdated content is now removed. Hence, now you can focus on strengthening the core concepts in this subject. There are many advantages of the Tamil Nadu 12th chemistry Deleted Syllabus. It will certainly create a win-win situation on the academic front.

This article discusses the Tamil Nadu 12th chemistry Deleted Syllabus in a step-by-step order. Hence, you should carefully go through the upcoming details.

What is the Precise Tamil Nadu 12th Chemistry Deleted Syllabus 2026?

To create a realistic study schedule, you must know about the Tamil Nadu 12th chemistry Deleted Syllabus. There is no need to prepare those topics that are no longer a part of the updated syllabus. The table below mentions the chapter-wise deleted topics for Chemistry -

Chapters	Deleted Topics
Solid State	Electrical and magnetic properties (detailed explanation reduced)
Solutions	Abnormal molar masses (detailed explanation reduced)
Electrochemistry	Extensive discussion about the Kohlrausch's law and its applications - Reduced
Surface Chemistry	Some aspects of catalysis (types and mechanism)
Coordination Compounds	Importance of coordination compounds in biological systems – It has been cut short
Polymers	Biodegradable polymers – The topic has been shortened
Biomolecules	Vitamins (types and deficiency diseases) – Detailed analysis shortened
Chemistry in Everyday Life	Cleansing action of soaps and detergents has been reduced to a certain extent

Also Read: Tamil Nadu 12th Sample Papers

How to Get the Tamil Nadu 12th Chemistry Syllabus 2026 PDF?

You must always have the updated syllabus by your side. It will help you to understand which topics need the maximum attention. The table below shares the updated PDF for the Tamil Nadu 12th Chemistry syllabus -

Tamil Nadu 12th Chemistry Syllabus 2026 – Download PDF

Also Read: Tamil Nadu 12th Admit Card

What is the Accurate Tamil Nadu 12th Chemistry Question Paper Pattern 2026?

The Tamil Nadu 12th Chemistry theory question paper will carry 70 marks. 30 marks are for the practical paper. Hence the total weightage of this subject is 100 marks. The question paper will be a mix of sections from Organic Chemistry, Inorganic Chemistry, and Physical Chemistry. It will have MCQs, long-answer questions, short-answer questions, very short-answer questions, and objective-type questions. There will be four main sections (I, II, III, and IV). In the first section, you have to answer 15 questions (1 mark each). In the second and third sections, you have to answer 6 questions from each section (2 marks questions in the second section and 3 marks questions in the third section). The fourth and the last section will have 5 questions of 5 marks each. The table below will help you to analyze the Tamil Nadu 12th Chemistry question paper in a hassle-free way -

Section	Number of Questions	Marks Allotted
I	15 (MCQs and objective-type questions)	15 x 1 = 15
II	6 (very short-answer-type questions)	6 x 2 = 12
III	6 (short-answer-type questions)	6 x 3 = 18
IV	5 (long-answer-type questions)	5 x 5 = 25
Total		70 marks

Also Read: Tamil Nadu 12th Previous Year Question Papers

What is the Exact Tamil Nadu 12th Chemistry Topics Weightage 2026?

It is crucial to analyze the topic-wise weightage in the subject of Chemistry. It will help you to understand how much time must be devoted to each topic. This will also help in creating a correct study plan. The table below shares the topic-wise assessment of weightage for the Tamil Nadu 12th Chemistry -

Topics	Weightage
Solid State	7%
Solutions	8%
Electrochemistry	9%
Chemical Kinetics	7%
Surface Chemistry	6%
General Principles & Processes of Isolation of Elements	6%
Coordination Compounds	9%
The d- and f-Block Elements	9%
Haloalkanes and Haloarenes	7%
Alcohols, Phenols & Ethers	6%
Aldehydes, Ketones & Carboxylic Acids	7%
Organic Compounds Containing Nitrogen	6%
Biomolecules	5%
Polymers	4%
Chemistry in Everyday Life	4%

You must understand the fact that these percentages are rough values based on the Chemistry syllabus pattern. If you want the most up-to-date information about the syllabus or weightage, visit the designated website of the board at dge.tn.gov.in.

Also Read: Tamil Nadu 12th Exam Preparation Tips

What are the Benefits of the Tamil Nadu 12th Chemistry Deleted Syllabus 2026?

The Tamil Nadu 12th chemistry Deleted Syllabus offers a lot of advantages. You must go through these points to understand the benefits –

The Tamil Nadu 12th chemistry Deleted Syllabus will reduce your academic tension. With a free mind, you can create a better preparation strategy.
Because of the reduced syllabus, you will get some free time. You can use this extra time to prepare for other important competitive exams.
A reduced syllabus always increases the chance of better performance. So, it is a good opportunity to improve your scores in Chemistry.
The deleted syllabus will help you to focus more on the fundamental and vital topics. Hence, it will strengthen your conceptual knowledge.

For more such updates about the Tamil Nadu 12th Exam, follow Getmyuni!