15. Analytical Techniques:IR, NMR, Mass Spect
Infrared Spectroscopy
Problem 14h
Textbook Question
Textbook QuestionLOOKING AHEAD We explain in Chapter 23 that substituents can transmit electronic information through the benzene ring when appropriately positioned. Assessments 14.55–14.59 allow us to use IR spectroscopy to discover this concept and apply it to an example (Assessment 14.60) that we study there. (••) Would you expect the stretching band of the carbonyl to appear at a higher frequency for cyclohexanecarbaldehyde or benzaldehyde? Explain.
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