Discussion
Which of the following technique is used to separate chloroform and aniline?
Answer: E
The technique is Distillation.
Simple distillation separates liquids whose boiling points differ widely. Chloroform boils at about 334 K and aniline at about 457 K, so chloroform distils over first and aniline stays behind. This is the standard textbook example.
Fractional distillation is needed only for close boiling points; distillation under reduced pressure is for liquids that decompose near their boiling point; steam distillation is for steam-volatile substances immiscible with water; continuous extraction is a solvent method, not distillation.
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