Tamil Nadu Class 12 Chemistry Syllabus 2026: Check TN 12th Chemistry Syllabus

Samia Miraj

Updated On: November 25, 2025 04:22 PM

Tamil Nadu Class 12 Chemistry Syllabus 2026 is listed here to be downloaded in a PDF format. Make sure to complete the syllabus on time before moving on to the sample papers for a thorough revision.
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Tamil Nadu Class 12 Chemistry Syllabus 2026
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Tamil Nadu Class 12 Chemistry Syllabus 2026 contains 14 chapters. The students can visit online and check the list of chapters included in it. All the topics in the chapters should be covered in detail. Referring to the syllabus, students can ensure they give more time to the important topics. Completing the syllabus in time will provide enough time to students for revision. They can go online and solve questions from sample papers and previous year question papers. The students should try to complete the syllabus in time and check the Tamil Nadu 12th Time Table 2026 . For more information about the Tamil Nadu Class 12 Chemistry Syllabus, continue reading the article.

Tamil Nadu Class 12 Chemistry Syllabus 2026: PDF

The official PDF of the Tamil Nadu Class 12 Chemistry Syllabus 2026 was released on the website of the Directorate Of Government Examinations according to the latest exam pattern. Students can refer to the PDF of the syllabus for the last few years from the link given below:

How To Download Tamil Nadu Class 12 Chemistry Syllabus 2026?

Students can check out the simple procedure given below to download the Tamil Nadu Class 12 Chemistry Syllabus 2026. Make sure to refer to it when preparing for the board exams:

  • Step 1: Go to the official website of DGE Tamil Nadu at dge.tn.gov.in
  • Step 2: On the homepage, you can catch all the latest circulars and notifications for TN 12th Board 2026.
  • Step 3: You have to click on the Syllabus option.
  • Step 4: A new page with the list of subjects will appear on the screen. Click on the Chemistry subject to download the syllabus.

Tamil Nadu Class 12 Chemistry Syllabus 2026

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Students must complete the syllabus for the board exams at least one month before the board exams are to be conducted. Recently, the dates for Tamil Nadu Class 12 Board Exams 2026 were also released on the official website so the students must gear up. Check the details of the Tamil Nadu Class 12 Chemistry Syllabus 2026 from the table given belong:

Units

Chapters

Metallurgy

Occurrence of metals, Concentration of ores, Extraction of crude metal, Refining process,

P-block elements -I

General trends in properties of p-block elements, Group 13 (Boron group) elements, Group 14 (Carbon group) elements,

P-block elements -II

Group 15 (Nitrogen group) elements, Oxygen, Group 17 (Halogen group) elements

Transition and inner transition elements

Position of d-block elements in the periodic table, Electronic configuration, General trend in properties, Important compound of Transition elements f-block elements

Coordination chemistry

Coordination compounds and double salts, Definition of important terms pertaining to co-ordination compounds, Nomenclature of coordination compounds, Theories of coordination compound

Solid state

General characteristics of solids, Crystal lattice, and unit cell, Primitive and Non-Primitive unit, Imperfections in solids,

Chemical kinetics

Rate of Chemical reaction, Molecularity, Integrated Rate Equation, Half-life period of a reaction, Arrhenius Equation

Ionic Equilibrium

Acids and bases, Strength of Acids and Bases, Ionisation of water, The pH Scale, Ionisation of Weak Acids, Common ion effect, Buffer Solution, Solubility Product

Electrochemistry

Conductivity of electrolytic solution, Variation of molar conductivity with concentration, Thermodynamics of cell reactions, Nernst equation

Surface chemistry

Adsorption and Absorption, Characteristics of adsorption, Catalysis Positive and Negative Catalysis, Colloid, dispersion Phase and dispersion medium,

Hydroxy compounds and ethers

Classification of Alcohols, IUPAC Nomenclature,

Carbonyl compounds and carboxylic acids

Nomenclature of Aldehyde and Ketones, Structure of carbonyl group, General methods of preparation of Aldehydes and Ketones, Physical properties of Aldehydes and Ketones

Organic nitrogen compounds

Nitro Compounds, Amines - Classification

Biomolecules

Carbohydrates, Proteins, Nucleic acids.

Benefits of Knowing the Tamil Nadu Class 12 Syllabus 2025

When students know the Tamil Nadu Class 12 Syllabus 2025 in advance, it becomes easy for them to prepare the syllabus. There are various benefits of knowing the syllabus. Let us take a look at them.

Complete the syllabus in advance - When students know the Chemistry syllabus in advance, they find it easy to prepare the subject. They can easily cover up the syllabus before the exams. It is easy for them to divide the syllabus into different parts and cover up the syllabus.

Focus on marks - While studying Chemistry, students can check out the marks allotted to each of the chapters. They can focus more on the chapters with high marks and prepare questions from them. This will boost their confidence ro perform better in the board exam.

Prioritize the important topics - According to the marks allotted to the chapters, students can prioritize the topics. They can first prepare the chapter with high marks and then move on to the chapters with less marks. This will help them to complete the syllabus with less burden on them.

Solve Questions - After completing the syllabus, students can focus on solving the questions. They can download the sample papers and previous year question papers to solve the questions from various years. By solving the questions, students learn to write exact answers in board exams.

Tamil Nadu Class 12 Chemistry Syllabus 2025 is listed here along with the PDF to be accessed by the students. Make sure to download the PDF and use it to frame your studies accordingly.

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FAQs

How to know the important chapters included in the Tamil Nadu Class 12 Chemistry Syllabus?

To know the important chapters included in the Tamil Nadu Class 12 Chemistry Syllabus, students can check the marks allocation for all chapters. The chapters with the highest marks should be considered important. They should be given more attention and students should prepare the chapters well. 

Is there any change in the Tamil Nadu Class 12 Chemistry Syllabus 2026?

There is no change in theTamil Nadu Class 12 Chemistry Syllabus 2026. To get the latest Chemistry syllabus, students can visit the official website of the board. The updated syllabus PDF is provided there. The students can check the list of chapters included in the syllabus and prepare for exams accordingly. 

What should be done after completing the Tamil Nadu Class 12 Chemistry Syllabus?

After completing the Tamil Nadu Class 12 Chemistry Syllabus 2026, students should solve the questions from previous year question papers and sample papers. It is necessary for students to attempt the questions from different year’s question papers. 

Is it possible to complete the Tamil Nadu Class 12 Chemistry Syllabus in a month before the exams?

The students should not try to complete the Tamil Nadu Class 12 Chemistry Syllabus in a month. They should regularly study the syllabus. Setting a time limit for each chapter will make it possible for students to cover up the syllabus in advance.

How to complete the Tamil Nadu Class 12 Chemistry Syllabus 2026?

To cover up the Tamil Nadu Class 12 Chemistry Syllabus 2026, students should make a study schedule and complete all the topics. The chapters should be completed within a decided time limit. They should make notes for all the important topics and go through them during the final revision. 

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