Q12 / 90 · JEE Main 2023 (10 Apr Shift 2) · Chemistry
can be represented as:
- A

- Correct answerB

- C

- D

Solution
Buna-S is a copolymer of 1,3-butadiene and styrene. It is prepared by copolymerisation of 1,3 butadiene and styrene along with sodium. In this process peroxide is used as a catalyst at therefore the formed product is also known as cold rubber.

Hence, the correct answer is option: 'B'.