Tamil Nadu Class 12 Chemistry Question Paper 2026 with Answer Key: Download PDF

TN Class 12 Chemistry Question Paper 2026: The Tamil Nadu Directorate of Government Examinations (TNDGE) successfully conducted the HSE 2nd Year (Class 12) Chemistry exam on March 9, 2026. The examination was held in offline mode across various centers in the state from 10:00 AM to 1:15 PM.

For all students searching for the paper after the exam, we have provided here the question paper and answer key for the Tamil Nadu Class 12 Chemistry exam 2026. Students can download the question paper PDF and verify their responses with the answers provided by subject experts below.

Tamil Nadu Class 12 Chemistry Exam 2026: Key Highlights

Tamil Nadu Class 12 Chemistry Question Paper Pattern 2026

The question paper followed the standard TNDGE pattern, divided into four distinct parts to test the theoretical and analytical skills of the students:

• Part I: Consists of 15 Multiple Choice Questions (MCQs) carrying 1 mark each.

• Part II: Contains short-answer questions where students need to answer any 6 out of 9, with Question No. 24 being compulsory (2 marks each).

• Part III: Includes medium-length questions where students answer any 6 out of 9, with Question No. 33 being compulsory (3 marks each). 

• Part IV: Consists of 5 long-answer questions (5 marks each) with internal choices.

Tamil Nadu Class 12 Chemistry Question Paper 2026 PDF

Students can use the link below to access the full question paper. Reviewing the question paper is useful for future aspirants to understand the weightage of chapters and for current students to analyse their performance and understand the difficulty level across different sets.

Download Tamil Nadu Class 12 Chemistry Question Paper 2026 PDF

Answer Key: Tamil Nadu Class 12 Chemistry Exam 2026

Our subject experts have solved the MCQs part of the question paper to help you calculate your estimated score. Below are the answer options for all objecrive type questions given in the Part I of the paper:

Tamil Nadu Class 12 Chemistry Paper Analysis 2026

The Tamil Nadu Class 12 Chemistry exam held on March 9, 2026, presented a well-structured challenge that tested a mix of theoretical retention and analytical application. According to initial feedback from students and subject experts, the paper was moderately difficult but remained strictly within the prescribed syllabus.

Section-Wise Difficulty Analysis

• Part I (MCQs): This section was scoring but required precision. Several questions, such as the stability of oxidation states and the calculation of molar conductivity , tested fundamental conceptual clarity rather than just rote memorisation.

• Part II & III (Short & Medium Answers): These sections were balanced. The inclusion of a compulsory numerical on pH calculation and a proof for first-order reaction kinetics (t_99.9% = 10t_1/2) favored students who practiced mathematical applications.

•  Part IV (Long Answers): This part followed the expected "either/or" pattern. Questions on the Cannizaro reaction mechanismand Valence Bond Theory (VBT) for coordination compounds were predictable high-value topics.

The Tamil Nadu Class 12 Chemistry 2026 paper was a balanced mix of direct theory and numerical problems. While Part I focused on conceptual clarity, the descriptive sections allowed students to demonstrate their depth of knowledge in organic mechanisms and coordination chemistry. By reviewing the provided answer key, students can get a clear picture of their standing before the official results are announced.