Which one of the following monomers form biodegradable polymer?

Urea and formaldehyde

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Ethylene glycol and terephthalic acid

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3-hydroxybutanoic and 3-hydroxypentanoic acid

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Phenol and caproic acid

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Adipic acid and hexamethylenediamine

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Solution

The correct option is C 3-hydroxybutanoic and 3-hydroxypentanoic acid
3-hydroxybutanoic acid and 3-hydroxypentanoic acid are the monomer unit of PHBV (poly- $β$ -hydroxybutyrate-co- $β$ -hydroxyvalerate).

PHBV is biodegradable polymers and can be degraded by microorganisms within a suitable period.

Hence, option C is correct.

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Similar questions

Which of the following monomers form biodegradable polymers?

(a) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid

(b) Glycine + amino caproic acid

(d) Caprolactum

	Column I		Column II
(A)	Buna-N	(i)	Phthalic acid and ethylene glycol
(B)	Nylon-6,6	(ii)	Terephthalic acid and ethylene glycol
(C)	Dacron	(iii)	Hexamethylenediamine and adipic acid
(D)	Glyptal plastic	(iv)	Acrylonitrile and butadiene

How is dacron obtained from ethylene glycol and terephthalic acid?

C H_{3} - C H_{3} | C H - O H | C H - C H_{2} - C O O H

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