Explain differential extraction.
(N/A) Differential extraction is a technique used to separate an organic compound from an aqueous solution.
$1$. The process involves shaking the aqueous solution containing the organic compound with an organic solvent in which the compound is more soluble than in water.
$2$. The organic solvent and the aqueous solution must be immiscible,forming two distinct layers that can be separated using a separatory funnel.
$3$. After shaking,the layers are allowed to settle. The layer containing the organic compound is separated.
$4$. The organic solvent is then removed by distillation or evaporation to recover the pure organic compound.
$5$. If the compound is less soluble in the organic solvent,a large quantity of solvent is required. In such cases,continuous extraction is employed,where the same solvent is repeatedly used for extraction.
$1$. The process involves shaking the aqueous solution containing the organic compound with an organic solvent in which the compound is more soluble than in water.
$2$. The organic solvent and the aqueous solution must be immiscible,forming two distinct layers that can be separated using a separatory funnel.
$3$. After shaking,the layers are allowed to settle. The layer containing the organic compound is separated.
$4$. The organic solvent is then removed by distillation or evaporation to recover the pure organic compound.
$5$. If the compound is less soluble in the organic solvent,a large quantity of solvent is required. In such cases,continuous extraction is employed,where the same solvent is repeatedly used for extraction.
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| Component | Distance from base line (cm) |
| :--- | :--- |
| Sample $A$ | $5.0$ |
| Sample $B$ | $6.5$ |
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| Solvent front | $12.5$ |
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| Component | Distance from base line (cm) |
| :--- | :--- |
| Sample $A$ | $5.0$ |
| Sample $B$ | $6.5$ |
| Sample $C$ | $10.0$ |
| Solvent front | $12.5$ |
In thin layer chromatography,a substance moved by a distance of $4 \ cm$,whereas the solvent moved by a distance of $5 \ cm$. Then the value of retardation factor $(R_f)$ is
Match List-$I$ with List-$II$:
List-$I$ (Technique) List-$II$ (Application) $A$. Distillation $I$. Chloroform-Aniline $B$. Fractional distillation $II$. Separation of crude oil fractions $C$. Steam distillation $III$. Aniline-Water mixture $D$. Distillation under reduced pressure $IV$. Separation of glycerol from spent-lye
Choose the correct answer from the options given below:
| List-$I$ (Technique) | List-$II$ (Application) |
|---|---|
| $A$. Distillation | $I$. Chloroform-Aniline |
| $B$. Fractional distillation | $II$. Separation of crude oil fractions |
| $C$. Steam distillation | $III$. Aniline-Water mixture |
| $D$. Distillation under reduced pressure | $IV$. Separation of glycerol from spent-lye |
Choose the correct answer from the options given below:
DifficultJEE MAIN 2024
View SolutionWhat is the difference between distillation,distillation under reduced pressure,and steam distillation?
Medium
View SolutionWhich type of solvent is added to an aqueous solution in the differential extraction method?
Easy
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