4. Alkanes and Cycloalkanes

Name the following:

b.

Write structural formulas for the following compounds (includes both old- and new-style names).

(d) cyclohexylacetylene

(e) 5-methyl-3-octyne

(f) trans-3,5-dibromocyclodecyne

Draw the molecular orbital picture of but-2-yne.

Draw the molecular orbital picture of pent-1-en-3-yne.

Draw the skeletal structures for the compounds in Problem 42.

d. vinyl bromide

e. 1,2-dimethylcyclopentene

f. diallylamine

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

e. 4,4-dimethyl-1-pentyne

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

b. cyclooctyne

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

f. dimethylacetylene

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

d. sec-butylisobutylacetylene

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

c. isopropylacetylene

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

a. 1-chloro-3-hexyne

Draw a condensed structure for each of the following:

a. 2-hexyne

b. 5-ethyl-3-octyne

Draw a condensed structure for each of the following:

e. methoxyethyne

f. sec-butyl-tert-butylacetylene

Draw the structures and name the four constitutional isomers with molecular formula C₄H₉Br.

Draw the structures and give the common and systematic names for alkynes with molecular formula C₇H₁₂. Ignore stereosiomers. (Hint: There are 14.)