Styrene undergoes polymerization via what type of mechanism?

A) anionic polymerization
B) cationic polymerization
C) radical polymerization
D) It will polymerize via all three mechanisms.

Which of the following statements concerning the conformers of butane is true?

A) Unlike ethane, all butane conformers are classified as eclipsed.
B) The lowest energy conformer of butane is the gauche conformer.
C) There is more torsional strain in the anti conformer than in the totally eclipsed conformer.
D) The eclipsed and totally eclipsed conformers have the same amount of nonbonded strain.
E) The gauche and anti conformers differ primarily in the amount of nonbonded strain present.