MHT CET 2022 Chemistry question

Not in JEE Main or NEET syllabus

Which among the following pair or monomers does not generate polyamide polymer?

(A)Adipic acid and Hexamethylenediamine
(B)Urea and Formaldehyde
(C)Glycine and amino caproic acid
(D)3 -Hydroxybutanoic acid and 3- Hydroxypentanoic acidCorrect

Answer: (D)

Solution

A polyamide has repeating amide (-CONH-) links. Adipic acid + hexamethylenediamine gives nylon 6,6 and glycine + 6-aminocaproic acid gives nylon 2-nylon 6; both are polyamides. Urea + formaldehyde gives urea-formaldehyde resin, a thermosetting condensation polymer with urea-type

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Question ID VK-096992