1
Q
Number of signals in a spectrum indicates…
A
The number of hydrogen environments
2
Q
The integration of a signal indicates…
A
The number of hydrogens in a given environment
3
Q
The chemical shift tells us…
A
The type of hydrogen environment
4
Q
The splitting pattern of a signal tells us…
A
n+1 = splitting pattern
Number of chemically different hydrogens + 1
5
Q
What is the exception with OH?
A
Hydrogen with oxygen does not undergo coupling so always appears as a singlet
6
Q
Why is TMS used for reference?
A
-inert so unlikely to react with the sample
-non toxic
-one peak
-far away from others
-low bp so easier to remove
7
Q
Why is CDCl3 used as a solvent?
A
-no hydrogen
-polar and covalent molecule
Chemistry
flashcards
Decks in class (13)
# Cards
