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Infrared Spectroscopy Table

15. Analytical Techniques:IR, NMR, Mass Spect / Infrared Spectroscopy Table / Problem 3

Determine the characteristic IR absorption band that can be used to distinguish between the following pair of compounds.

A

I. An absorption band between 3000-2800 cm⁻¹.
II. An absorption peak at 1680 cm⁻¹.

B

I. An absorption band between 3650-3200 cm⁻¹.
II. An absorption peak at 1680 cm⁻¹.

C

I. An absorption band between 3650-3200 cm⁻¹.
II. An absorption band between 3500-3300 cm⁻¹.

D

I. An absorption band between 3000-2800 cm⁻¹.
II. An absorption band between 3500-3300 cm⁻¹.

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