問題詳情
78. Extraction of a mixture of toluene, phenol and phenylacetic acid under various conditions can be used to separate them.What are the correct compound X, Y and Z from the separation scheme.
(A) (X)-toluene; (Y)-phenylacetic acid; (Z)-phenol
(B) (X)-toluene; (Y)-phenol; (Z)-phenylacetic acid
(C) (X)-phenylacetic acid; (Y)-toluene; (Z)-phenol
(D) (X)-phenol; (Y)-toluene; (Z)-phenylacetic acid
(E) (X)-phenylacetic acid; (Y)-phenol; (Z)-toluene
(A) (X)-toluene; (Y)-phenylacetic acid; (Z)-phenol
(B) (X)-toluene; (Y)-phenol; (Z)-phenylacetic acid
(C) (X)-phenylacetic acid; (Y)-toluene; (Z)-phenol
(D) (X)-phenol; (Y)-toluene; (Z)-phenylacetic acid
(E) (X)-phenylacetic acid; (Y)-phenol; (Z)-toluene
參考答案
答案：E
難度：困難0.333333
統計：A(0),B(0),C(2),D(0),E(1)
難度：困難0.333333
統計：A(0),B(0),C(2),D(0),E(1)