A) isoprene + chloroprene
B) adipic acid + ethylene glycol
C) adipic acid + hexamethylene diamine
D) None of the above
Correct Answer: C
Solution :
\[\underset{adipic\text{ }acid}{\mathop{nHOOC{{(C{{H}_{2}})}_{4}}}}\,-COOH+\underset{\begin{smallmatrix} hexa\text{ }methylene \\ \,\,\,\,\,\,\,\,\,diamine \end{smallmatrix}}{\mathop{n{{H}_{2}}N-{{(C{{H}_{2}})}_{6}}-N{{H}_{2}}}}\,\] \[\downarrow -n{{H}_{2}}O\] \[\underset{nylon-6}{\mathop{-\left[ \overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{N}}\,-{{(C{{H}_{2}})}_{6}}-\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{N}}\,-\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,-{{(C{{H}_{2}})}_{4}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\, \right]{{-}_{n}}}}\,\]
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