H-NMR Flashcards
1
Q
What side is electron poor and electron rich?
A
Downfield (left) is electron poor. Upfield (right) is electron rich
2
Q
What is at 12-14 in H-NMR
A
Carboxylic H (most e- poor)
O=C—O—H
3
Q
What is at 8.5-10 in H-NMR
A
Aldehydes O=C
4
Q
What is at 7-8 in H-NMR
A
protons and benzene rings!
5
Q
What is at 5-6 in H-NMR
A
Alkene C=C
6
Q
What is at 3-4 in H-NMR
A
Othoxy group (C-O)
7
Q
What is at 2 in H-NMR
A
Ketonics (C-C=O)
8
Q
What is at 1 in H-NMR
A
Alkane most e- rich
9
Q
Where is an H next to a carbonyl
A
At 2.1
10
Q
Where is an H next to a bromine?
A
3.9
11
Q
What does the amount of peaks show you?
A
N+1 amount of neighbours
12
Q
The bigger the J value…
A
The smaller the frequency
13
Q
Where is NH located
A
5-9
14
Q
where is OH
A
1-5
15
Q
O=C-O-CH3 located??
A
3.7-3.9
16
Q
C triple bond C
A
2.3-3
17
Q
NH2
A
1-3
