1. (2 points) Write a structure for 1,1-dimethyl-3-(2,2-dimethylpropyl)cyclopentane.
3D structure is not required, but show all C’s and H’s.

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2. (4 points) Write complete names for each of the following.

a)

5-ethyl-3,3,4,7-tetramethylnonane

b)

1-bromo-1-sec-butyl-4,4-dichlorocyclohexane

1-bromo-4,4-dichloro-1-(1-methylpropyl)cyclohexane

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3. (3 points) Referring to the compound below,

What is its molecular formula? C11 H12 O

Indicate how many carbons are hybridized
sp ___2___ sp2 ___5___ sp3 ___4___

Indicate which sp3 carbons are 1° (circle), 2° (square), 3° (triangle)

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4. (1 point) Of the three compounds below, indicate which will have the highest and the lowest heat of combustion. Write HIGHEST and LOWEST as appropriate.