ch. 13 Flashcards
1
Q
a nucleus with an _____ atomic number or ______ mass number has nuclear spin that can be observed by NMR
A
odd, odd
2
Q
is upfield to the right or left
A
right
3
Q
is downfield to the right or left
A
left
4
Q
what is TMS
A
tetramethylsilane
5
Q
distance between peaks of a multiplet
A
coupling constant (Hertz)
6
Q
approximate J for free rotation H
A
7 Hz
7
Q
approximate J for cis H
A
10 Hz
8
Q
approximate J for trans H
A
15 Hz
9
Q
approximate J for geminal H
A
2 Hz
10
Q
approximate J for ortho H
A
8 Hz
11
Q
approximate J for meta H
A
2 Hz
12
Q
approximate J for allylic H
A
6 Hz
13
Q
A
