U3-5-3 - Infrared Spectroscopy Flashcards
1
Q
Units used to measure IR absorbance
A
Wavenumbers (cm–1)
2
Q
When IR radiation is absorbed by organic compounds, bonds within the molecule _______.
A
vibrate (stretch and bend)
3
Q
How can different functional groups be identified using IR?
A
Different functional groups absorb IR at different wavenumbers