Question 1
 
How many signals would you expect to see in the proton NMR spectrum of the following compound?
 

Question 2
 
The protons indicated in the structure below would show up as a __________ in a proton NMR spectrum.
 
Answer
A.
singlet
B.
doublet
C.
triplet
D.
quartet
E.
septet
1 points 
Question 3
 
Which structure of molecular formula, C4H8Cl2, fits the proton NMR spectrum shown below?
 
Answer
A.
B.
C.
D.
1 points 
Question 4
 
Which compound has a proton NMR spectrum consisting of the following peaks: 0.9 (6H, doublet), 1.0 (3H, triplet), 2.2 (2H, quartet), and 4.0 (1H, septet)? Notation: Chemical shift values are listed first in ppm. The absolute number of hydrogens and their multiplicities are given in parentheses. Hint: A few of the structures might fit the splitting patterns, so you will also need to consider the chemical shift values.
Answer
A.
B.
C.
D.
1 points 
Question 5
 
Which of the following protons gives an NMR signal with the highest chemical shift value (farthest downfield)?
 
Answer
A.
1
B.
2
C.
3
D.
4
E.
5
1 points 
Question 6
 
Which structure of molecular formula, C7H14O, fits the proton NMR spectrum shown below?
 
Answer
A.
B.
C.
D.
E.
1 points 
Question 7
 
How many of the following compounds are aromatic?
 
Answer
2 points
Question 8
 
Which of the following is the electrophile that attacks the aromatic ring during sulfonation?
Answer
A.
HSO3+
B.
SO2+
C.
HSO3-
D.
H2SO4
E.
HSO4-
1 points 
Question 9
 
What is the major organic product of the Friedel-Crafts alkylation reaction between benzene and isobutyl chloride in the presence of AlCl3?
Answer
A.
tert-butylbenzene
B.
isobutylbenzene
C.
n-butylbenzene
D.
chlorobenzene
E.
sec-butylbenzene