DP Chemistry (last assessment 2024)

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Question 22N.2.hl.TZ0.6c

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.2.hl.TZ0.6c
Level hl Paper 2 Time zone TZ0
Command term State Question number c Adapted from N/A
c.
[Maximum mark: 1]
22N.2.hl.TZ0.6c

2-Bromobutane can react with cyanide, CN−, in a nucleophilic substitution reaction.

(c)

State an instrument that could be used to determine whether the product was a single enantiomer or a racemic mixture.

[1]

Markscheme

polarimeter ✔

Examiners report

Well under half the cohort seemed aware that a polarimeter is the instrument used to detect optical activity and this seemed largely unrelated to performance on the rest of the paper.

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