4. Alkanes and Cycloalkanes

How many of the following names are correct? Correct the incorrect names.

a. 3-pentene

b. 2-octene

c. 2-vinylpentane

How many of the following names are correct? Correct the incorrect names.

g. 2-ethyl-2-butene

h. (E)-2-methyl-1-hexene

i. 2-methylcyclopentene

Identify the following alkynes as terminal (T), internal/symmetrical (IS), or internal/unsymmetrical (IU).

(c)

What is each compound's systematic name?

b.

Draw a condensed structure for each of the following:

k. cyclopentylacetylene

l. 5,6-dimethyl-2-heptyne

Identify the following alkynes as terminal (T), internal/symmetrical (IS), or internal/unsymmetrical (IU).

(f)

Given the following structure: ${\mathrm{CH}}_2={\mathrm{CH}}_2$, select the correct common name and/or IUPAC name for the compound.

What is each compound's systematic name?

g.

h.

Which of the following statements correctly describes the name $3$-ethyl-$5$-isobutyl-$3$-methylnonane according to IUPAC nomenclature rules for alkenes?

Given the structure shown in mc012-1.jpg, what is the correct IUPAC name for the molecule?

A student was given the structural formulas of several compounds and was asked to give them systematic names. How many did she name correctly? Correct those that are misnamed.

c. 2-methyl-3-hexyne d. 3-pentyne

Draw structural formulas of at least two alkynes of each molecular formula.

1. C₆H₁₀

2. C₈H₁₂

3. C₇H₈

Which of the following structures corresponds to the sleeping pill ramelteon, an alkene-containing compound used for insomnia treatment?

Give common names for the following compounds.

(c) 3-methyloct-4-yne

(d) (CH₃)₃C–C≡C–CH(CH₃)CH₂CH₃

Draw the condensed and skeletal structures for each of the following:

a. 1-chloro-3-hexyne