Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
EasyWhen is distillation under reduced pressure used?
- AWhen the liquid has a high boiling point and decomposes at or below its boiling point.
- BWhen the liquid has a very low boiling point.
- CWhen the liquid is insoluble in water.
- DWhen the liquid is insoluble in organic solvents.
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Similar Questions
Which technique among the following is most appropriate for the separation of a mixture of $100 \ mg$ of $p-$nitrophenol and picric acid?
Explain distillation under reduced pressure.
Difficult
View SolutionExplain why an organic liquid vaporizes at a temperature below its boiling point during steam distillation.
Medium
View SolutionMatch List-$I$ with List-$II$:
List-$I$ (Mixture) List-$II$ (Separation Technique) $A$. $CHCl_3 + C_6H_5NH_2$ $I$. Steam distillation $B$. $C_6H_{14} + C_5H_{12}$ $II$. Differential extraction $C$. $C_6H_5NH_2 + H_2O$ $III$. Distillation $D$. Organic compound in $H_2O$ $IV$. Fractional distillation
| List-$I$ (Mixture) | List-$II$ (Separation Technique) |
|---|---|
| $A$. $CHCl_3 + C_6H_5NH_2$ | $I$. Steam distillation |
| $B$. $C_6H_{14} + C_5H_{12}$ | $II$. Differential extraction |
| $C$. $C_6H_5NH_2 + H_2O$ | $III$. Distillation |
| $D$. Organic compound in $H_2O$ | $IV$. Fractional distillation |
DifficultJEE MAIN 2023
View SolutionUsing column chromatography,a mixture of two compounds '$A$' and '$B$' was separated. '$A$' eluted first,this indicates '$B$' has
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