Name: ______________________________
Chemistry 112 / Lab #3
Organic Models
OBSERVATIONS:
1. Sketch a model of:
Condensed structural formula:
a) Methane
1.a) _________________________
b) Ethane
b) ___________________________
c) Propane
c) ___________________________
d) Are any other arrangements of the atoms in these
d) ___________________________
Compounds possible?
2. Draw:
Condensed structural formula
a) Butane
2.a) ____________________________
b) Isobutane
b) ____________________________
3. Construct the two mirror image isomers
4. Diagram
a) Ethonol molecule:
4.a) __________________________
H H
l
l
H–C–C–O–H
l l
H H
b) Dimethyl Ether
H
H
l
l
H–C–O–C–H
l
l
H
H
b) __________________________
5. Construct models of:
5.a) What type of bonding do the C’s in this
in this molecule have?
Ethene
cis isomer
__________________________________
b) Name this isomer
__________________________________
trans isomer
c) Name this isomer
__________________________________
6. Draw:
a) Benzene ring:
b) Cyclopropane: