Question 1
What is the IUPAC name for di-
sec-butylacetylene?
◦ 3,6-dimethyl-4-octyne
◦ 2,2,5,5-tetramethyl-3-hexyne
◦ 2-ethyl-5-methyl-3-heptyne
◦ 2,5-diethyl-3-hexyne
◦ 2,7-dimethyl-4-octyne
Question 2
Which of the following are constitutionally isomeric alkynes with the molecular formula C
5H
8?

◦ I and II
◦ I, II, and III
◦ I and III only
◦ I only
◦ II only