Acid-base extraction :benzoic acid, p-nitroaniline and azobenzene in dichloromethane. 1.why is anhydrous sodium sulphate added to the organic solution? 2. Why was the water used for washing the precipitates on the funnels specified to be cold? 3. Why are the acidic extracts and basic extracts cooled before neutralization?

Acid-base extraction :benzoic acid, p-nitroaniline and azobenzene in dichloromethane. 1.why is anhydrous sodium sulphate added to the organic solution? 2. Why was the water used for washing the precipitates on the funnels specified to be cold? 3. Why are the acidic extracts and basic extracts cooled before neutralization?

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter43: Amines

Section: Chapter Questions

Problem 7Q

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