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Separating a Base, an Acid and a Neutral Compound

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How would you separate a mixture of benzene, benzoic acid and pyridine using an extractive procedure?

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Solution Summary

This problem discusses the separation of an acid, a base and a neutral compound using a simple extraction. It involves concepts such as pH and Pka.

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Benzoic acid is a weak acid with a pKa of 4.2 and can be dissolved in aqueous base
Pyridine is a weak base with a pKa of 5.5 (pka of conjugate acid of pyridine) and can be dissolved with aqueous acid.
Benzene is niether acidic or basic and is insoluble in water at any pH.

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