13. Alkenes, Alkynes, and Aromatic Compounds

Write structural formulas for compounds that meet the following descriptions:

a. A 6-carbon alkene whose longest chain is 4 carbons in length (three possibilities)

Draw both condensed and line structures corresponding to the following IUPAC names:

a. 3-Methyl-1-heptene

b. 4,4-Dimethyl-2-pentyne

c. 2-Methyl-3-hexene

d. 1,3,3-Trimethylcyclohexene

Write structural formulas for compounds that meet the following descriptions:

b. An alkyne with 5 carbons total (three possibilities)

Draw structures corresponding to the following IUPAC names:

a. trans-2-Pentene

b. trans-3,4-Dimethyl-3-hexene

c. 2-Methyl-1,3-butadiene

d. trans-3-Heptene

Draw the condensed structural formula for each of the following:

a. cis-1,2-difluoroethene

Draw the condensed structural formula for each of the following:

a. trans-1-bromo-2-chloroethene

Give the IUPAC name for each of the following:

d. <IMAGE>

Give the IUPAC name (including cis or trans, if needed) for each of the following: (11.5, 11.6)

c. <IMAGE>

Identify the following pairs of structures as structural isomers, cis–trans isomers, or the same molecule: (11.5, 11.6)

a. <IMAGE>

Draw the condensed structural or line-angle formula if cyclic, for each of the following: (11.3, 11.5, 11.6)

c. 2,3-dichloro-1-butene

Draw the condensed structural formula, or line-angle formula, if cyclic, for each of the following:

a. 1-methylcyclopentene

Draw the condensed structural formula for each of the following:

b. trans-2-pentene

Give the IUPAC name (including cis or trans, if needed) for each of the following: (11.5, 11.6)

a. <IMAGE>