DP Chemistry (last assessment 2024)

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Question 19M.3.hl.TZ1.5a

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.hl.TZ1.5a
Level hl Paper 3 Time zone TZ1
Command term Label Question number a Adapted from N/A
a.
[Maximum mark: 1]
19M.3.hl.TZ1.5a

Liquid-crystal displays (LCDs) have many uses.

A molecule which acts as a chiral nematic thermotropic liquid-crystal is given.

(a)

Label with an asterisk, *, the chiral carbon atom.

[1]

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Identifying a chiral carbon atom was answered reasonably well.

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