You need to extract a nonpolar organic compound from 150 mL of aqueous solution.

Question

You need to extract a nonpolar organic compound from 150 mL of aqueous solution. Which of the following changes will allow you to increase the recovery of your compound? Select all that apply. A. Perform one big extraction using one 150 mL portion of organic solvent instead of two 75 mL portions of organic solvent. B. Shake the two layers vigorously for an hour and then wait for an hour for the layers to separate C Switch to an organic solvent in which your compound has a lower partition coefficient. D. Perform two extractions using two 75 mL portions of organic solvent instead of one big extraction using 150 mL of organic solvent. E. Switch to an organic solvent in which your compound has a higher partition coefficient.

Explanation / Answer

Correct option is :

D. perform two extraction using two 75mL portions of organic solvent instead of one big extraction using 150mL

E. switch to an organic solvent in which your compound has a higher partition coefficient

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