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Explain about differential extraction. |
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Answer» SOLUTION :(i) The process of removing a substance from its aqueous solution by shaking with a suitable organic solvent is termed EXTRACTION. (ii) When an organic substance present as solution in water can be recovered from the solution by means of a separating funnel. (iii) The aqueous solution is taken in a separating funnel with LITTLE quantity of ether or chloroform (`CHCI_(3)`). The organic solvent immiscible with water will form a separate layet and the contents are SHAKEN gently. (iv) The solute being more soluble in the organic solvent is transferred to it. (v) The solvent layer is then SEPARATED by opening the tap of separating funnel and the substance is recovered. |
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