JEE Main 2017 · 9 Apr · Shift 1 · Chemistry Q56

ChemistrySingle correct+4 / -1Question 56 of 90

Which of the following is a biodegradable polymer ?

\ce{-[HN-(CH2)5-CONH-CH2-CO]_{n}-}

\ce{-[HN-(CH2)5-CO]_{n}-}

\ce{-[HN-(CH2)6-NHCO-(CH2)4-CO]_{n}-}

\ce{-[CO-C6H4-COO-(CH2)2-O]_{n}-}

Answer and worked solution

Official answer: A

(1) is nylon-2-nylon-6, made from glycine and aminocaproic acid, a biodegradable polyamide. Nylon 6, nylon 6,6 and terylene are not biodegradable.

JEE Main 2017 · 9 Apr · Shift 1, Chemistry question 56