試題詳解

27. Which statement best describes 1,3-butadiene?
(A) 1,3-butadiene is less stable than 1,4-pentadiene due to steric crowding.
(B) 1,3-butadiene is more stable than 1,4-pentadiene because of less steric crowding.
(C) 1,3-butadiene is less stable than two molecules of 1-butene.
(D) 1,3-butadiene is more stable than 1,4-pentadiene due to resonance energy.
(E) 1,3-butadiene’s carbon atoms are sp³ hybridized.