1) Provide the systematic name of the compound shown.
Answer: (E)-5-methyl-5-hepten-1-yne
Section: 6-2
2) What two atomic orbitals or hybrid atomic orbitals overlap to form the carboncarbon s bond in ethyne?
A) sp3–sp3
B) p–p
C) sp2–sp2
D) sp4–sp4
E) sp–sp
Answer: E
Section: 6-4
3) Which of the following statements correctly describes the general reactivity of
alkynes?
A) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile.
B) The s bonds of alkynes are higher in energy than the p bonds and are thus more
reactive.
C) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions.
D) Alkynes are generally more reactive than alkenes.
E) Alkynes react as electrophiles, whereas alkenes reacts as nucleophiles.
Answer: A
Section: 6-5