Tamil Nadu Class 12 Chemistry Exam Pattern 2026 - Check TN Board 12th Chemistry Blueprint Here

I

All the questions are compulsory

10-Inorganic, 10-Physical and 10- Organic Portions.

30

II

Any 15 questions must be answered out of 21 questions: Question number 31 -37 (7) from Inorganic

Question number 38 – 44 (7) from Physical

Question number 45 – 51 (7) from Organic

15

III

Any 7 questions must be answered, choosing any two from all 3 sections:

Section – A – Inorganic 4 questions 52-55 (one problem)

Section – B – Physical 4 questions 56-59 (one problem)

Section – C – Organic 4 questions 60-63 (one mechanism)

7

IV

One question will be compulsory for Either OR and out of remaining, 3 questions must be answered

(a) Organic Problem – 5 marks

(b) Inorganic Problem – 5 marks

OR

(c) Organic Problem – 5 marks

(d) Physical Problem – 5 marks

Question number 64 and 65 – Inorganic

Question number 66 and 67 – Physical

Question number 68 and 69 – Organic

4

Part I

1 to 15

01 mark each

15 marks

Part II

16 to 24

02 marks each

12 marks

Part III

25 to 33

03 marks each

18 marks

Part D

34 to 38

05 marks each

25 marks