NMR 3 Flashcards
1
Q
What does a doublet mean? Ratio?
A
It’s next to single H
1:1
2
Q
What does triplet mean? Ratio?
A
It’s next to a CH2
1:2:1
3
Q
What does quartet mean? Ratio?
A
Next to CH3
1:3:3:1
4
Q
What does singlet mean?
A
CH3 by itself
5
Q
What are the 2 common solvents for NMR?
A
CCl4
CDCl3
Sample dissolved & TMS added
6
Q
What is CCl4 used for & why?
A
It’s non-polar so used for non-polar organic molecules
7
Q
What is CDCl3 used for & why?
A
Polar so used for polar organic molecules
8
Q
Properties of CDCl3 & CCl4
A
Non-reactive
Don’t contain H
9
Q
What is the ratio for each type of proton present in a compound with integration ratio:
0.8, 0.8, 0.8, 1.2, 1.2?
A
2:2:2:3:3
