Ignoring the possibility of stereoisomers, what is the IUPAC name of the following substance?

Draw the correct structure for each compound. a. 4-octyne b. 3-nonene

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

Name each alkyne. d.

Name each alkyne. d.

Draw the correct structure for each compound. c. 3,3-dimethyl-1-pentyne