Infrared Spectra
type samples

Infrared spectra for representative molecules containing carbon-oxygen bonds are shown below.

Ethanol, an alcohol
IR spectrum of ethanol
Ethanal (Acetaldehyde), an aldehyde
IR spectrum of acetaldehyde
Propanone (Acetone), a ketone
IR spectrum of acetone
Ethanoic Acid (Acetic Acid), a carboxylic acid
IR spectrum of acetic acid