MCQ
The $S$ in Buna$- S$ refers to:
- ASulphur
- ✓Styrene
- CSodium
- Djust a trade name
✓
Answer
Correct option: B.
Styrene
The $S$ in Buna$- S$ refers to styrene. Buna stands for butadiene and $Na$ for sodium.
Buna$-S$ refers to styrene Butadiene Rubber $\text{(SBR)}.$
It is copolymer of buta$-1,3-$diene and styrene in the ratio of $3 : 1$ in the presence of sodium.
Buna$-S$ refers to styrene Butadiene Rubber $\text{(SBR)}.$
It is copolymer of buta$-1,3-$diene and styrene in the ratio of $3 : 1$ in the presence of sodium.
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