Year 12 · AQA + OCR A
Infrared spectroscopy questions
Use the supplied IR ranges to identify bonds and functional groups, distinguish similar absorptions and choose the analytical technique that answers the question.
IR practice set
Use the ranges provided in the question or your board data sheet. Mark each part before moving on.
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Infrared spectroscopy0 parts marked
Read the evidence in two stages
First identify the absorption and its bond. Then state the functional group or structural conclusion that the absorption supports. A peak near 3000 cm−1 is common in organic spectra, so use its range and shape before calling it O–H.