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The identification of an unknown alcohol with 13 C NMR is used to introduce students to NMR spectroscopy early in the second-year undergraduate organic chemistry course. Students learn basic concepts of NMR, including an introduction to magnetic resonance and chemical shifts due to electronegativity effects. This experiment also reinforces knowledge from the lecture on organic molecular structures, including functional groups, isomerization, hybridization, and electronegativity. To identify an unknown alcohol, students obtain the boiling point and perform hands-on 13 C and DEPT 90 and 135 experiments with a high-field NMR instrument.
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Paul H. Chamberlain (2013) studied this question.
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