hey,

chapter wise weightage of chemistry for JEE mains 2020

1. transition elements and coordination chemistry - 12 marks/3 questions

2. periodic table and representative elements - 12 marks/3 questions

3. thermodyanmics and gaseous state - 8 marks/2 questions

4. atomic structure - 8 marks/2 questions

5. chemical bonding - 8 marks/2 questions

6. chemical and ionic equilibrium - 8 marks/2 questions

7. soild state and surface chemistry - 8marks/2 questions

8. nuclaer chemistry and environment - 8 marks/2 questions

9. mole concept - 4 marks/1 question

10. redox reaction - 4 marks/1 questions

11. electrochhemistry - 4marks/1 question

12. chemical kinetics - 4 marks/ 1question

13. solution and colligative properties - 4 marks/1 question

14. general organic chemistry - 4marks /1 question

15. stereochemistry - 4 marks/ 1 question

16. hydrocarbons - 4 marks/ 1 question

17. alkyl halides - 4 marks/ 1 question

18. carboxylic acid and their derivatives - 4marks/1 question

19. carbohydrates , amino acid and polymers - 4 marks/ 1 question

20. aromatic compounds - 4 marks/1 question

all the best!