DP Chemistry (last assessment 2024)

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Question 19M.3.hl.TZ1.a

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

Methadone is a synthetic opiate administered as a racemic mixture to treat strong pain and morphine or heroin dependence.

Identify the chiral carbon atom using an asterisk, *.

[1]

Markscheme

  [✔]

Examiners report

Some candidates had difficulty identifying the chiral carbon in a methadone structure, with quite a few varied answers. However, many managed to mark the correct carbon.

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