A) hot water
B) dil. HCl
C) dil. NaOH
D) alcohol
Correct Answer: B
Solution :
Aniline is a weak base and added to dil. HCl to form aniline hydrochloride (black precipitate) While benzene does not react with dil. HCl. Thus these can be separated by using dil. HCl \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow{dil.\,HCl}\underset{\begin{smallmatrix} Aniline\,\,hydrochloride \\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(black) \end{smallmatrix}}{\mathop{{{C}_{6}}{{H}_{5}}N{{H}_{2}}\cdot HCl\downarrow }}\,\]
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