問題詳情

22. A chemist wishes to separate benzoic acid from 4-hydroxybenzaldehyde. Which is the best method to achieve this separation?


(A) Partitioning the mixture between diethyl ether and water.
(B) Partitioning the mixture between diethyl ether and 1 M aqueous NaHCO3.
(C) Partitioning the mixture between diethyl ether and 1 M aqueous NaOH.
(D) Partitioning the mixture between diethyl ether and 1 M aqueous HCl.
(E) Recrystallizing the mixture in diethyl ether.

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)