MHT CET 2025 Chemistry question

Not in JEE Main or NEET syllabus

What are the compounds used to obtain nylon salt?

(A)Adipic acid and ammonia
(B)Terephthalic acid and hexamethylenediamine
(C)Adipic acid and hexamethylenediamineCorrect
(D)-hydroxybutyric acid and hexamethylenediamine

Answer: (C)

Solution

Nylon salt is the salt formed when adipic acid (hexanedioic acid, ) neutralises hexamethylenediamine (hexane-1,6-diamine, ): \mathrm{HOOC(CH_2)_4COOH + H_2N(CH_2)_6NH_2\rightarrow {}^-OOC(CH_2)_4COO^-\,{}^+H_3N(CH_2)_6NH_3^+}. Heating the nylon salt at about 525

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Question ID VK-103144