Question

Which of the following is used as a substitute for wool?

Options

• \[\ce{[-CF2 - CF2 -]_{{n}}}\]

• \[\begin{array}{cc}
  \ce{Cl}\phantom{........}\\
  |\phantom{.........}\\
  \ce{[-CH2 - C = CH - CH2 -]_{{n}}}
  \end{array}\]

• \[\begin{array}{cc}
  \phantom{......}\ce{CN}\\
  \phantom{....}|\\
  \ce{[-CH2 - CH -]_{{n}}}
  \end{array}\]

• \[\ce{[-NH - (CH2)5 - CO -]_{{n}}}\]

Answer 1

\[\begin{array}{cc}
\phantom{......}\ce{CN}\\
\phantom{....}|\\
\ce{[-CH2 - CH -]_{{n}}}
\end{array}\]

Explanation:

It is a polyacrylonitrile structure. It has a wool-like appearance and is used as a wool substitute.