Project ForgeChemical Technology
Organic Chemical Industries
GATE 2019
Medium
Match the polymer in Group-1 with the polymerization reaction type in Group-2. Group-1: P-Nylon 6, Q-Polypropylene, R-Polyester. Group-2: I-Condensation polymerization, II-Ring opening polymerization, III-Addition polymerization. The correct combination is
- AP-II, Q-I, R-III
- BP-I, Q-III, R-II
- CP-III, Q-II, R-I
- P-II, Q-III, R-I
Explanation
Nylon 6 is made by ring-opening polymerization of caprolactam (II). Polypropylene forms via addition polymerization of propylene (III). Polyester forms via condensation (esterification) polymerization (I). So P-II, Q-III, R-I.
Source: GATE CH 2019 (2019)
This question is part of a 15-day revision cycle — sign in and Project Forge will bring it back the day before you'd forget it.