A) Nylon \[6,6\]
B) Nylon \[7,6\]
C) Nylon \[6,5\]
D) Nylon \[9,7\]
Correct Answer: A
Solution :
\[\underset{adipric\,\,acid}{\mathop{R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-{{(C{{H}_{2}})}_{4}}}}\,-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-OH\] \[+nH-\overset{H}{\mathop{\overset{|}{\mathop{N}}\,}}\,-{{(C{{H}_{2}})}_{6}}-\overset{H}{\mathop{\overset{|}{\mathop{N}}\,}}\,-H\xrightarrow{-2n{{H}_{2}}O}\] \[-\left[ \underset{nylon\,6,6}{\mathop{\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-{{(C{{H}_{2}})}_{4}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{N}}\,-{{(C{{H}_{2}})}_{6}}-\overset{\begin{smallmatrix} H \\ | \end{smallmatrix}}{\mathop{N}}\,}}\, \right]{{-}_{n}}\]
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