JEE Main 202227 JuneEvening Shift
- Exam
- JEE Main
- Year
- 2022
- Date
- 27 June
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- Polymers
JEE Main 2022 · 27 June · Evening Shift · Chemistry · Polymers
Which is true about Buna- N ?
Which is true about Buna-?
Options
- AIt is a linear polymer of -butadiene.
- BIt is obtained by copolymerization of -butadiene and styrene.
- CIt is obtained by copolymerization of -butadiene and acrylonitrile.
- DThe suffix in Buna- stands for its natural occurrence.
Correct answer
C. It is obtained by copolymerization of -butadiene and acrylonitrile.
Step-by-step solution
Buna- is formed by the co-polymerization of 1,3-butadiene and vinylcyanide(acrylonitrile) in the presence of a peroxide catalyst.
It is a synthetic rubber.