DP Chemistry (last assessment 2024)
Question 19N.3.hl.TZ0.a
Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.hl.TZ0.a |
Level | hl | Paper | 3 | Time zone | TZ0 |
Command term | Draw | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
19N.3.hl.TZ0.a
Kevlar® is used to make racing tires.
Draw the structure of the monomers of Kevlar® if the by-product of the condensation polymerization is hydrogen chloride.
[2]
Markscheme
OR
H2NC6H4NH2 ✔
OR
Cl(O)CC6H4C(O)Cl ✔

