Question:
The monomer involved in the formation of polystyrene is
The monomer involved in the formation of polystyrene is
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Polystyrene is made from styrene monomer, whose formula is \(CH_2=CH-C_6H_5\).
Updated On: May 7, 2026
- \(CH_2=CH-Cl\)
- \(CH_2=CH-CN\)
- \(CH_2=CH-C_6H_5\)
- \(CH_2=CH-CH_3\)
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The Correct Option is C
Solution and Explanation
Polystyrene is a polymer formed from styrene.
The monomer styrene has the structure:
\[
CH_2=CH-C_6H_5.
\]
Here,
\[
C_6H_5
\]
is the phenyl group.
During polymerization, the double bond opens and many styrene molecules join together to form polystyrene.
The polymerization may be represented as:
\[
n(CH_2=CH-C_6H_5)\rightarrow [-CH_2-CH(C_6H_5)-]_n.
\]
Therefore, the monomer involved in the formation of polystyrene is:
\[
CH_2=CH-C_6H_5.
\]
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