| Column-$I$ | Column-$II$ |
|---|---|
| $(A).$ Best and latest technique for isolation,purification and separation of organic compounds | $(i).$ Chromatography |
| $(B).$ In Lassaigne's test for $N$ | $(ii).$ Vacuum distillation (distillation under reduced pressure) |
| $(C).$ In Lassaigne's test for $S$ | $(iii).$ Violet coloured complex is formed |
| $(D).$ Aniline is purified from water by | $(iv).$ Prussian blue coloured complex is formed |
| $(E).$ Glycerol is purified from spent lye | $(v).$ Steam distillation |
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| List-$I$ (Purification technique) | List-$II$ (Used to separate) |
| $A$. Simple distillation | $I$. Steam volatile compound |
| $B$. Fractional distillation | $II$. Two liquids with large difference in boiling points |
| $C$. Steam distillation | $III$. Liquid decomposing at its boiling point |
| $D$. Distillation under reduced pressure | $IV$. Two liquids with close boiling points |
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