A-LevelChemistryAnalytical techniquesFeb/Mar 2023Paper 1 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?
ACH3CH2CO2H
BCH3CH(OH)CH3
CCH3COCH3
DCH3COCH2OH
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The correct answer is C. This question tests the candidate's understanding of analytical techniques within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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