Chem 212
Quiz 2g
p.1
NAME__________________________________
Alkanes: Structure, Nomenclature, Rxns (20 pts)
1. (4 pts) Underneath the structure, write the name of each of the following:
Cl
H3C
Br
H3C
H3C
CH3
CH3
2,2-dimethyl-5-propylnonane
cis-1-bromo-3-chlorocyclooctane
2. (4 pts) Describe the relationship between each of the following pairs of structures as one of the
following: identical, cis-trans isomers, constitutional isomers, or different compounds.
CH3
CH3
H3C
H3C
and CH 3CH 2CH 2CH 2CH(CH 3)CH(CH 3)CH 3
and
H3C
CH3
identical
H3C
H3C
identical
3. (3 pts) Write line-angle formulas (i.e. structures similar to those shown for problems 1 & 2
above) for the following alkanes and cycloalkanes. You may need to add wedges and/or
dashes to the structures.Your answer must be a line angle formula to receive credit!
a. cis-1,2-dimethylcyclopropane
CH3
CH3
b. 3,4-dichlorodecane
Cl
H3C
CH3
Cl
Chem 212
4.
Quiz 2g
p.2
(3 pts) Draw a Newman Projection for a staggered conformation of 2,3-dibromobutane
looking along the C2-C3 bond.
CH 3
Br
H
(There are other correct answers. All have one
CH3, one Br, and one H on each of the
carbons.)
H
Br
CH 3
5.
(6 pts) Draw the organic product(s) of the following reactions:
CH3
O2, spark
CH3
CO2 + H2O
Cl
H3C
H3C
CH3
CH3
Cl
Cl 2, light
H3C
CH3
CH3
+
H3C
H3C
CH3
CH3
Cl
H3C
+H C
3
CH3
There are only three possible products.