Which one of the following is NOT a copolymer | vedclass

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Question

(B) copolymer is a polymer formed from two or more different types of monomer units.
Buna-$S$ is a copolymer of $1,3$-butadiene and styrene.
$PHBV$

Vedclass · Accepted Answer

Neoprene

Vedclass · Answer

(B) copolymer is a polymer formed from two or more different types of monomer units.
Buna-$S$ is a copolymer of $1,3$-butadiene and styrene.
$PHBV$ (poly-$\beta$-hydroxybutyrate-co-$\beta$-hydroxyvalerate) is a copolymer of $3$-hydroxybutanoic acid and $3$-hydroxypentanoic acid.
Butadiene-styrene is another name for Buna-$S$,which is a copolymer.
Neoprene is a homopolymer of chloroprene ($2$-chloro-$1,3$-butadiene).
Therefore,neoprene is not a copolymer.

List-$I$	List-$II$
$A$. Elastomeric polymer	$I$. Urea formaldehyde resin
$B$. Fibre polymer	$II$. Polystyrene
$C$. Thermosetting polymer	$III$. Polyester
$D$. Thermoplastic polymer	$IV$. Neoprene

Which one of the following is $NOT$ a copolymer?

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Match List-$I$ and List-$II$.
List-$I$ List-$II$
$A$. Elastomeric polymer $I$. Urea formaldehyde resin
$B$. Fibre polymer $II$. Polystyrene
$C$. Thermosetting polymer $III$. Polyester
$D$. Thermoplastic polymer $IV$. Neoprene

Choose the correct answer from the options given below:

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