1. What is the IUPAC name for the following structure?
CH3
CH3
C
CH CH2
CH3
a)
b)
c)
d)
3,3-dimethyl-4-pentene
3-methyl-3-ethyl-1-butene
isopropylpentene
3,3-dimethyl-1-butene
2. Which is the correct name for the following compound?
CH3
H3C
C
H
C
C
C
CH2
H
a)
b)
c)
d)
CH3
H
2E, 5E-5-methyl-2,5-heptadiene
2E, 5E-3-methyl-2,5-heptadiene
2Z, 5E-3-methyl-2,5-heptadiene
2E, 5Z-5-methyl-2,5-heptadiene
3. Arrange the following groups in the order of increasing priority (lowest first).
CH CH2
C CH
II
I
a)
b)
c)
d)
C N
C O
CH3
IV
III
IV, III, II, I
I, II, III, IV
III, IV, I, II
III, I, IV, II
4. How many E/Z isomers are possible for 6-bromo-4-chloro-2-fluoro-8-iodo-2,4,6,8- decatetraene?
a)
b)
c)
d)
10
12
16
18
5. Which alkenes have E configurations?
O
O
HO C
C OH
C
H
Cl
C
CH2Cl
C
H
I
a) I, II
b) II, III
CH3
II
F
C
C
H
CH2Cl
C
CH3
Cl
C
Cl
III
Br
C
CH3
I
IV
c) III, IV
d) II, IV