Problems and exercisesExtraction, Crystallization and Sublimation
1. Choose the technique
Which technique would you use to: a) purify impure benzoic acid, very soluble in hot water and only slightly soluble in cold water; b) separate iodine from sodium chloride; c) separate an amine from a neutral compound, both dissolved in ether?
2. The property exploited
Which physical property is each of the three techniques based on?