Class 11Chemistry8-3.Organic Chemistry : Purification and characterizationPurification of Organic Compounds
Easy$X$ and $Y$ have $R_f$ values of $0.75$ and $0.25$ respectively. In column chromatography,which component is obtained first?
- A$X$
- B$Y$
- CBoth $X$ and $Y$ simultaneously
- DNone of these
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Similar Questions
Which technique is used for the separation of a compound present in an aqueous solution?
Easy
View SolutionSteam distillation process cannot be used for purifying which of the following?
Which among the following purification methods is based on the principle of "Solubility" in two different solvents?
DifficultJEE MAIN 2024
View SolutionThe correct match between items of List-$I$ and List-$II$ is
List-$I$ List-$II$ $A$. Coloured impurity $(p)$. Steam distillation $B$. Mixture of $o-$nitrophenol and $p-$nitrophenol $(q)$. Fractional distillation $C$. Crude naphtha $(r)$. Charcoal treatment $D$. Mixture of glycerol and sugars $(s)$. Distillation under reduced pressure
| List-$I$ | List-$II$ |
| $A$. Coloured impurity | $(p)$. Steam distillation |
| $B$. Mixture of $o-$nitrophenol and $p-$nitrophenol | $(q)$. Fractional distillation |
| $C$. Crude naphtha | $(r)$. Charcoal treatment |
| $D$. Mixture of glycerol and sugars | $(s)$. Distillation under reduced pressure |
DifficultJEE MAIN 2018
View SolutionMatch items of Column-$I$ and Column-$II$.
Column-$I$ (Mixture of compounds)
Column-$II$ (Separation Technique)
$A$. $H_2O / CH_2Cl_2$
$I$. Crystallization
$B$. $\alpha$-tetralone / $p$-nitrophenol
$II$. Differential solvent extraction
$C$. Kerosene / Naphthalene
$III$. Column chromatography
$D$. $C_6H_{12}O_6 / NaCl$
$IV$. Fractional Distillation
Correct match is:
| Column-$I$ (Mixture of compounds) | Column-$II$ (Separation Technique) |
|---|---|
| $A$. $H_2O / CH_2Cl_2$ | $I$. Crystallization |
| $B$. $\alpha$-tetralone / $p$-nitrophenol | $II$. Differential solvent extraction |
| $C$. Kerosene / Naphthalene | $III$. Column chromatography |
| $D$. $C_6H_{12}O_6 / NaCl$ | $IV$. Fractional Distillation |
Correct match is:
DifficultJEE MAIN 2023
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