Organic Analysis Flashcards
1
Q
What bond does IR affect?
A
Covalent bonds
2
Q
What does IR do to bonds?
A
Increases their vibrational energy
3
Q
What does the frequency of bond depend on?
A
-Atoms bonded
-position in the molecule
4
Q
Where does the fingerprint region lie?
A
500-1500
5
Q
What could extra peaks on IR spectra indicate?
A
Impurities
6
Q
What is the fingerprint region?
A
Specific to each molecule and can be compared to a library of values
7
Q
What groups have broad peaks on IR spectra?
A
O-H bonds
8
Q
What groups have sharp peaks on IR spectra?
A
Carbonyl C=O
9
Q
What must be specified when talking about OH in terms of IR?
A
Wether it’s an alcohol or aldehyde
