Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
EasyWhich are the methods of purification of organic compounds?
(N/A) Once an organic compound is extracted from a natural source or synthesized in the laboratory,it is essential to purify it.
The common techniques used for purification of organic compounds are as follows:
$(i)$ Sublimation
$(ii)$ Crystallisation
$(iii)$ Distillation
$(iv)$ Differential extraction
$(v)$ Chromatography
The common techniques used for purification of organic compounds are as follows:
$(i)$ Sublimation
$(ii)$ Crystallisation
$(iii)$ Distillation
$(iv)$ Differential extraction
$(v)$ Chromatography
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Compare the pressure of aniline and water in vapour phase distillation.
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Column-$I$ Column-$II$ $(i)$ Aniline + chloroform $(p)$ Steam distillation $(ii)$ Aqueous solution of compound $(q)$ Fractional distillation $(iii)$ Mixture of liquids with small difference in boiling point $(r)$ Differential extraction $(iv)$ Purification of aniline $(s)$ Simple distillation
| Column-$I$ | Column-$II$ |
|---|---|
| $(i)$ Aniline + chloroform | $(p)$ Steam distillation |
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| $(iv)$ Purification of aniline | $(s)$ Simple distillation |
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View SolutionMatch column $-I$ and column $-II$ with the correct relation:
Column $-I$ Column $-II$ $(i)$ Liquid boiled at low temperature $(a)$ Fractional distillation $(ii)$ Glycerol from lye $(b)$ Simple distillation $(iii)$ The liquid with lower boiling point condenses first $(c)$ Steam distillation $(iv)$ The liquid with higher boiling point condenses first $(d)$ Distillation under reduced pressure
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| $(i)$ Liquid boiled at low temperature | $(a)$ Fractional distillation |
| $(ii)$ Glycerol from lye | $(b)$ Simple distillation |
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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 |
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| $D$. Organic compound in $H_2O$ | $IV$. Fractional distillation |
DifficultJEE MAIN 2023
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