Organic Chemistry I

Chem 334 - Fall 2010

Pre-Quiz 2

Professor Carl C. Wamser

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Your answers must be submitted before 8:30 am, Fri, Oct 1

1. 2,2-Dimethylbutane would be considered an isomer of

a. butane
b. pentane
* c. hexane
d. heptane
e. cyclopentane

2. 1,5-Dimethylhexane is an inappropriate name. It should be called

a. 1-methylheptane
b. 5-methylheptane
c. octane
* d. 2-methylheptane
e. 3-methylheptane

3. The molecule 2,3-dimethylbutane will have how many hydrogens?

a. 10
b. 12
* c. 14
d. 16
e. some other number

4. The compound below that will have the highest heat of combustion per mole is

* a. 2-methyloctane
b. 2-methylheptane
c. 2,2-dimethylheptane
d. 2,3-dimethylhexane
e. octane

5. The compound below in which carbon is most oxidized (highest oxidation number) is

a. ethane
b. methane
c. ethylene
* d. acetylene
e. cyclohexane