A-LevelChemistryAnalytical techniques9701/12 · Feb/Mar 2023 · Q381 Mark

The infrared spectrum of an organic compound is shown. [Figure 38.1: Infrared spectrum showing transmittance (%) vs wavenumber (cm⁻¹). A table of characteristic infrared absorption ranges for various bonds and functional groups is also provided.] Which compound could give this spectrum?

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ACH3CH2CO2H

BCH3CH(OH)CH3

CCH3COCH3

DCH3COCH2OH

✓ Correct answer

C: CH3COCH3

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Topic: Analytical techniques, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2023 Paper 1 Variant 2, question 38.

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