4. Alkanes and Cycloalkanes

Draw the isomers for the following compounds and then name each one:

c. 1,3-pentadiene

Draw the isomers for the following compounds and then name each one:

b. 2,4-heptadiene

Draw the isomers for the following compounds and then name each one:

a. 2-methyl-2,4-hexadiene

Draw structures for the following:

c. (3Z,5Z)-4,5-dimethyl-3,5-nonadiene

d. (3E,5E)-2,5-dibromo-3,5-octadiene

Name the following:

a.

Name the following:

b.

Name the following:

c.

Draw the condensed structure for each of the following:

a. (Z)-1,3,5-tribromo-2-pentene

b. (Z)-3-methyl-2-heptene

c. (E)-1,2-dibromo-3-isopropyl-2-hexene

Identify the following substituted cycloalkanes as cis or trans.

(a)

Identify the following substituted cycloalkanes as cis or trans.

(c)

For the compound 1-ethyl-3-isopropylcyclopentane,

(a) draw two different cis and two different trans isomers.

Draw and name all stereoisomers of 3-chlorohepta-2,4-diene

b. using the E-Z nomenclature.

Some of the following examples can show geometric isomerism, and some cannot. For the ones that can, draw all the geometric isomers, and assign complete names using the E-Z system.

c. 3-bromo-2-methylhex-3-ene

d. penta-1,3-diene

Some of the following examples can show geometric isomerism, and some cannot. For the ones that can, draw all the geometric isomers, and assign complete names using the E-Z system.

a. 3-bromo-2-chloropent-2-ene

b. 3-ethylhexa-2,4-diene

Label each structure as Z, E, or neither.

(a)

(b)

(c)

(d)