Biomolecules And Chemistry In Everyday Life Result Question 7
7. The two monomers for the synthesis of nylon $6,6$ are
(2019 Main, 12 Jan II)
(a) $\mathrm{HOOC}\left(\mathrm{CH} _2\right) _4 \mathrm{COOH}, \mathrm{H} _2 \mathrm{~N}\left(\mathrm{CH} _2\right) _4 \mathrm{NH} _2$
(b) $\mathrm{HOOC}\left(\mathrm{CH} _2\right) _6 \mathrm{COOH}, \mathrm{H} _2 \mathrm{~N}\left(\mathrm{CH} _2\right) _4 \mathrm{NH} _2$
(c) $\mathrm{HOOC}\left(\mathrm{CH} _2\right) _4 \mathrm{COOH}, \mathrm{H} _2 \mathrm{~N}\left(\mathrm{CH} _2\right) _6 \mathrm{NH} _2$
(d) $\mathrm{HOOC}\left(\mathrm{CH} _2\right) _6 \mathrm{COOH}, \mathrm{H} _2 \mathrm{~N}\left(\mathrm{CH} _2\right) _6 \mathrm{NH} _2$
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Answer:
Correct Answer: 7. ( c )
Solution:
- Nylon- $6,6$ has following structure :
As it is a condensation polymer hence, each of its monomeric unit must contain $6$ carbon atoms in them. Hence, a combination of adipic acid and hexamethylene diamine is the correct answer.
Both of these units react as follows to form nylon- $6, 6$.
BETA
