Consider the following pair of compounds:
![](https://lightcat-files.s3.amazonaws.com/problem_images/73f8bd4911de5fb6-1670867565820.jpg)
Compounds A and B are both sparingly soluble water. In dilute potassium hydroxide solution, compound B is very soluble but compound A is still sparingly soluble. Show how you can exploit this difference in solubility to separate these two compounds from a mixture.