Which of the following statements is correct?

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(A) $1$. Nylon-$6,6$ is formed by the condensation polymerization of hexamethylenediamine and adipic acid,which contains amide linkages. Thus,it is a

Vedclass · Accepted Answer

Nylon-$6,6$ is a polyamide

Vedclass · Answer

(A) $1$. Nylon-$6,6$ is formed by the condensation polymerization of hexamethylenediamine and adipic acid,which contains amide linkages. Thus,it is a polyamide. This statement is correct.$2$. Bakelite is a thermosetting polymer formed by the condensation of phenol and formaldehyde,resulting in a highly cross-linked structure. Thus,the statement that it is not cross-linked is incorrect.$3$. The Ziegler-Natta catalyst is a mixture of titanium tetrachloride $(TiCl_4)$ and triethylaluminium $(Al(C_2H_5)_3)$. This statement is also correct.$4$. Nylon-$6$ is a fiber,not an elastomer. This statement is incorrect.Note: In many standard chemistry contexts,both $A$ and $C$ are chemically accurate statements. However,$A$ is the most fundamental classification.

$List-I$ (Polymer)	$List-II$ (Monomer)
$(A)$ Neoprene	$(I)$ Acrylonitrile
$(B)$ Teflon	$(II)$ Chloroprene
$(C)$ Acrilan	$(III)$ Tetrafluoroethene
$(D)$ Natural rubber	$(IV)$ Isoprene

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$List-I$ (Polymer) $List-II$ (Monomer)

$(A)$ Neoprene $(I)$ Acrylonitrile

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