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Home Questions 75ATADGYNF
Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Polymers

Question:
The S in buna-S refers to;
Options:
Sulpher
Sodium
Styrene
Silica
Correct Answer:
Styrene
Explanation:
The S in Buna- S refers to styrene. Buna stands for butadiene and Na for sodium. Buna-S refers to styrene Butadiene Rubber (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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