Which of the following is not a condensation | vedclass

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(D) Condensation polymers are formed by the repeated condensation reaction between two different bi-functional or tri-functional monomeric units,usual

Vedclass · Accepted Answer

$BUNA-S$

Vedclass · Answer

(D) Condensation polymers are formed by the repeated condensation reaction between two different bi-functional or tri-functional monomeric units,usually with the elimination of small molecules like $H_2O$,$HCl$,or $NH_3$.$Dacron$,$Glyptal$,and $Nylon-6,6$ are examples of condensation polymers.$BUNA-S$ (Styrene-Butadiene Rubber) is an addition polymer formed by the polymerization of $1,3-butadiene$ and $styrene$ via a free radical mechanism without the loss of any small molecules.Therefore,$BUNA-S$ is not a condensation polymer.

List-$I$ (Polymers)	List-$II$ (Type)
$A$. Buna-$N$-Rubber	$I$. Fibre
$B$. Terylene	$II$. Thermosetting polymer
$C$. Polystyrene	$III$. Elastomer
$D$. Urea-Formaldehyde resin	$IV$. Thermoplastic polymer

Which of the following is not a condensation polymer?

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$A$. Buna-$N$-Rubber $I$. Fibre

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Which of the following is not a condensation polymer?

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Match the following:

List-$I$ (Polymers) List-$II$ (Type)

$A$. Buna-$N$-Rubber $I$. Fibre

$B$. Terylene $II$. Thermosetting polymer

$C$. Polystyrene $III$. Elastomer

$D$. Urea-Formaldehyde resin $IV$. Thermoplastic polymer