Question

Write the structures of monomers used the following polymers: 
Nylon - 6, 6

Answer 1

Nylon-6, 6: Hexamethylenediamine → \[\ce{H2N-CH2-CH2-CH2-CH2-CH2-CH2-NH2}\]

Adipic acids

\[\begin{array}{cc}\\
\ce{O} \phantom{..........................}\ce{O} \\
|| \phantom{..........................}||\\
\ce{HO-C-CH2-CH2-CH2-CH2-C-OH}
\end{array}\]