alleryBuna-S is formed from styrene and:
AEthylene
BPropylene
CAcetylene
DButadiene
Answer & Solution
Correct answer: D. Butadiene
1. Buna-S is a copolymer of two monomers.
2. One of them is styrene.
3. The other is buta-1,3-diene.
_Source: syllabus Chemistry Part II, Chapter 15, Polymers._
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