Hi Arjoo,

In 12th every chapter of chemistry is important to make better understanding between the whole syllabus. Try to properly read every chapter without skipping any part. 12th board exams are very important for your career too. So, try to study as much as possible for the exams. I am mentioning the name of some important chapters below that you must read 4 - 5 at least for getting good marks in chemistry subject:

1. Coordination Compounds / Complexes

2. Electrochemistry

3. P-block Element

4. D&F-block Element

5. Aldehydes, Ketones and Carboxylic Acids

6. Alcohol, Phenol and Ether

7. Haloalkanes and Haloarenes