DP Chemistry (last assessment 2024)

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Question 17N.3.hl.TZ0.22a.i

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.3.hl.TZ0.22a.i
Level hl Paper 3 Time zone TZ0
Command term Identify Question number a.i Adapted from N/A
a.i.
[Maximum mark: 1]
17N.3.hl.TZ0.22a.i

Ibuprofen and paracetamol are mild analgesics. One of the IR spectra below belongs to ibuprofen and the other to paracetamol. The structures of both compounds are given in section 37 of the data booklet.

(a.i)

Both spectra show a peak at wavenumber 1700 cm–1. Identify the bond responsible for this peak.

[1]

Markscheme

C=O

Accept “carbonyl”.

 

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