o T-Mobile 11:01 PM 61% bb.wpunj edu organic Chemistry Direct Problem S apter 12

Question

o T-Mobile 11:01 PM 61% bb.wpunj edu organic Chemistry Direct Problem S apter 12: Infrared Spectroscopy ect the best answer for each of the following questions: 1. The infrared spectrum of an unknown compound is shown below. Select the compound would be most consistent with this infrared spectrum. Wave Number, cm 800 4000 30002500 2000 1500 130012001100 1000 Wavelength microns 2. The infrared spectrum of an unknown compound is shown below. Select the compound would be most consistent with this infrared spectrum. Wave Number, cm 800 4000 30002500 2000 1500 130012001100 1000 15 C 2003. Brooks Cole Publishing Compa

Explanation / Answer

Spectrum 1 belongs to 2-propanol.

3500 to 3000 cm-1 OH stretch present.

3000 to 2800 cm-1 SP3 C-H stretch.

1100 cm-1 C-O stretch.

Spectrum 2 belongs to 3,3-dimethyl-1-butene.

3100 to 3000 cm-1 Sp2 C-H stretch

3000 to 2800 cm-1 Sp3 C-H stretch

1600 cm-1 C=C stretch

1370 and 1380 cm-1 tertiary butyl inplane and outplane vibrations.

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