15. Analytical Techniques:IR, NMR, Mass Spect

Which of the following alkene functional groups produces the strongest absorption signal in an $IR$ spectrum?

Which of the following characteristic absorption bands would you expect to find in the infrared (IR) spectrum of caffeine?

Which major IR absorption is expected for a compound containing a carbonyl group?

Which of the following is a characteristic infrared absorption for triphenylmethanol?

Which one of the following compounds is most consistent with an IR spectrum that shows a strong, broad absorption around $3300$ cm$-1$ and a sharp absorption near $1700$ cm$-1$?

Which of the following characteristic absorption bands would you expect to observe in the IR spectrum of dibenzalacetone?

Given an IR spectrum with a strong, broad absorption around $3300-3500\mathrm{cm}-1$ and a sharp absorption near $1700\mathrm{cm}-1$, which compound is most likely responsible for this spectrum?

Which of the following characteristic absorption bands would you expect to observe in the IR spectrum of $3$-methyl-$1$-butanol?

Which of the following best explains how infrared (IR) spectroscopy can be used to monitor the progress of a reaction in which an alcohol is converted to a ketone?

Which of the following compounds would show the most intense $C=C$ stretching signal in an IR spectrum?

Which functional group can be identified by a strong, broad absorption around $3300$ cm$-1$ using IR spectroscopy?

Which key difference in the IR spectra allows you to distinguish between cyclohexanol and cyclohexanecarboxylic acid?

Which of the following characteristic absorption bands would you expect to observe in the infrared (IR) spectrum of benzil ($C_{14}{H}_{10}{O}_2$)?

Which of the following characteristic absorption bands would you expect to observe in the IR spectrum of triphenylmethanol?

Which of the following characteristic absorption bands would you expect to observe in the IR spectrum of salicylamide?