JEE Main Chemistry question

The process of extracting a solute from its solution by an immiscible solvent can be more fruitful only if:

(A)A large quantity of the solvent is used at once
(B)The number of extractions is increased, using small quantities of the solventCorrect
(C)The process is carried out at a high temperature
(D)Small quantities of the solution are added to the extracting solvent in several instalments

Answer: (B)

Solution

For a fixed total volume of extracting solvent, extraction efficiency is maximised by dividing it into

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Question ID VK-143417