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Experiment 11 — Infrared Spectroscopy

Chem 22 Spring 2010 1 Experiment 11 Infrared Spectroscopy _____ Pre-lab preparation. (1) In Ch 5 and 12 of the text you will find examples of the most common functional groups in organic molecules. In your notebook, provide generic examples of the following compound classes: (a) alkane, (b) alkene, (c) alkyne, (d) alkyl halide, (e) alcohol, (f) amine, (g) ether, (h) aldehyde, (i) ketone, (j) carboxylic acid, (k) ester, (l) anhydride, (m) amide, (n) acyl halide, (o) nitrile, (p) arene (this term usually implies a benzenoid aromatic compound; draw benzene as an example), (q) there are lots more, but did we miss any common ones?

an IR spectrum, it is often sufficient simply to recognize the general frequency range and appearance of an absorption peak to determine what functional group is present. In Part 1 of this experiment, you will compare and contrast actual IR spectra of a variety

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