DP Chemistry (last assessment 2024)

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Question 19N.3.hl.TZ0.5a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.3.hl.TZ0.5a
Level hl Paper 3 Time zone TZ0
Command term Draw Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.3.hl.TZ0.5a

Kevlar® is used to make racing tires.

(a)

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 ✔

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