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

d. 3-chloro-1-butyne

Give a systematic name for this molecule.

Draw a structure for 4-ethyl-7-phenyl-2-heptyne.

Name the following compounds:

e.

f.

Write structural formulas for compounds that meet the following descriptions:

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

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

b. 1-bromo-3-hexyne

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

b. 1,1-dibromo-2-pentyne

Give the IUPAC name for each of the following:

c.