JEE Advanced levelSingle correct optionDifficulty 3 of 3pl184
Match the biodegradable polymer in Column I with the monomer(s) in Column II. Column I: (P) PLA, (Q) PGA, (R) PHBV, (S) nylon 2-nylon 6. Column II: (1) hydroxyethanoic acid; (2) 2-hydroxypropanoic acid; (3) 3-hydroxybutanoic acid and 3-hydroxypentanoic acid; (4) glycine and 6-aminohexanoic acid.
AP-3, Q-1, R-2, S-4
BP-2, Q-1, R-4, S-3
CP-2, Q-1, R-3, S-4
DP-1, Q-2, R-3, S-4
Answer: C
PLA comes from lactic acid (2), PGA from glycolic (hydroxyethanoic) acid (1), PHBV from the two hydroxy acids (3) and nylon 2-nylon 6 from glycine and aminocaproic acid (4).