NMR 2 Flashcards
1
Q
What happens when a proton is near to an electronegative atom?
A
Electron density is drawn away from proton, so less shielded from magnetic field so chemical shift is moved further up
2
Q
What number is a H on aromatic ring usually found around?
A
7.0ppm
3
Q
How many different proton environments does ethanol have? Draw. What is ratio?
A
3 different proton environments
3:2:1
4
Q
What is the area under curve?
A
No. hydrogen
5
Q
When circling the different proton environments, what should you not include?
A
C atoms
