42. Which of the following descriptions are not true for amine chemistry. (I) Nitration of pyridine occurs at 4-position. (II) Gabriel synthesis is developed for making secondary amines. (III) Isocyanate is an intermediate of Hofmann rearrangement. (IV) Piperidine is a stronger base than pyridine (V) Reaction of an amide with lithium aluminum hydride affords a primary alcohol
(A) I, II, V
(B) II, III, IV
(C) I, III, V
(D) II, IV, V
(E) I, III, IV
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統計: 尚無統計資料
統計: 尚無統計資料