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Question:
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Which one of the following sets forms the biodegradable polymer?
Options:
- A $\mathrm{CH}_2=\mathrm{CH}-\mathrm{CN}$ and $\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}=\mathrm{CH}_2$
- B $\mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{COOH}$ and $\mathrm{H}_2 \mathrm{~N}-\left(\mathrm{CH}_2\right)_5-\mathrm{COOH}$
- C $\mathrm{HO}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{OH}$ and
- D
Solution:
2172 Upvotes
Verified Answer
The correct answer is:
$\mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{COOH}$ and $\mathrm{H}_2 \mathrm{~N}-\left(\mathrm{CH}_2\right)_5-\mathrm{COOH}$
Biodegradable polymers have tendency to break down and lose their initial integrity.
$$
\begin{aligned}
& \mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{COOH}+\mathrm{HNH}\left(\mathrm{CH}_2\right)_5 \mathrm{COOH} \\
& \Delta \downarrow-\mathrm{H}_2 \mathrm{O} \\
& {\left[\mathrm{HN}-\mathrm{CH}_2-\mathrm{CO}-\mathrm{NH}-\left(\mathrm{CH}_2\right)_5-\mathrm{CO}_n\right.} \\
&
\end{aligned}
$$
Nylon-2-nylon-6
$$
\begin{aligned}
& \mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{COOH}+\mathrm{HNH}\left(\mathrm{CH}_2\right)_5 \mathrm{COOH} \\
& \Delta \downarrow-\mathrm{H}_2 \mathrm{O} \\
& {\left[\mathrm{HN}-\mathrm{CH}_2-\mathrm{CO}-\mathrm{NH}-\left(\mathrm{CH}_2\right)_5-\mathrm{CO}_n\right.} \\
&
\end{aligned}
$$
Nylon-2-nylon-6
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