IR Spectral Interpretation Workshop, Quiz 5

This quiz is a regular feature of the “IR Spectral Interpretation Workshop” column. In each installment, we present a quiz. The answers appear in the subsequent installment. (For previous quiz questions and answers, click here.)

What we teach in each installment should help you answer the quiz questions. 

Good luck and happy interpreting!

Quiz 5:

Do your best to assign all the peaks shown in the figure and table to determine the functional groups present. There is one aspect of this molecule's structure you will not be able to determine because we have not yet talked about it. The answer will appear in the May 2016 issue.


The infrared spectrum of a liquid.


The peak positions for the new problem spectrum.

3084 2931 1453
3063 2873 1375
3027 1604 745
2968 1495 697


Submit your answers below!

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