4. Alkanes and Cycloalkanes

Which of the following names are correct? Correct those that are not correct.

c. 4-chloro-2-pentyne

d. 2,3-dimethyl-5-octyne

What is each compound's systematic name?

a.

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

b. cyclooctyne

Which of the following names are correct? Correct those that are not correct.

e. 4,4-dimethyl-2-pentyne

f. 2,5-dimethyl-3-hexyne

Which of the following is the correct IUPAC name for a straight-chain alkene with $8$ carbon atoms and a double bond starting at carbon $1$?

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

(a)

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

f. dimethylacetylene

Identify the allylic carbon(s) in the following molecules.

(b)

Draw the skeletal structures for the compounds in Problem 42.

d. vinyl bromide

e. 1,2-dimethylcyclopentene

f. diallylamine

What is each compound's systematic name?

a.

What is each compound's systematic name?

c.

Identify the following halogen-containing compounds as a haloalkane, haloalkene, or haloarene.

(b)

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

d. 1-ethyl-1-pentene

e. 5-ethylcyclohexene

f. 5-chloro-3-hexene

Draw all internal symmetrical alkynes with the molecular formula C₁₀H₁₈.

Name the following:

c.