試題詳解

32. The melting points of a series of 18-carbon fatty acids are stearic acid, 69.6°C； oleic acid, 13.4°C； linoleic acid, −5°C； and linolenic acid, −11° C. Which of the above fatty acids has the largest number of cis double bonds?
(A) Stearic acid
(B) Oleic acid
(C) Linoleic acid
(D) Linolenic acid