Extraction (Part 2) Experiment: Separation of Neutral and basic Substances NH2 Handle aromatic amines with care. Most are toxic and some are carcinogenic. Avoid breathing the dust and vapor from the solid and keep the compounds off the skin, best done by wearing gloves. Naphthalene mp 80°C 4-Chloroaniline mp 68–71°C, pK, 10.0 1) Dissolve 2g of mixture in 20 mL of ethyl ether, and transfer the mixture to a 125 mL separatory funnel. 2) Add 10 mL of H,O and 10 mL of a 3M HCl solution into the funnel. 3) Stopper the funnel, shakes the mixture thoroughly with frequent venting of the funnel. 4) Allow the layers to separate completely, then draw off the lower layer into a 50 mL flask (flask 1) 5) Repeat the process with another 10 mL of HCl. Draw off the lower layer into flask 1. Correct positions for holding a separatory funnel when shaking. FIG. 3
Extraction (Part 2) Experiment: Separation of Neutral and basic Substances NH2 Handle aromatic amines with care. Most are toxic and some are carcinogenic. Avoid breathing the dust and vapor from the solid and keep the compounds off the skin, best done by wearing gloves. Naphthalene mp 80°C 4-Chloroaniline mp 68–71°C, pK, 10.0 1) Dissolve 2g of mixture in 20 mL of ethyl ether, and transfer the mixture to a 125 mL separatory funnel. 2) Add 10 mL of H,O and 10 mL of a 3M HCl solution into the funnel. 3) Stopper the funnel, shakes the mixture thoroughly with frequent venting of the funnel. 4) Allow the layers to separate completely, then draw off the lower layer into a 50 mL flask (flask 1) 5) Repeat the process with another 10 mL of HCl. Draw off the lower layer into flask 1. Correct positions for holding a separatory funnel when shaking. FIG. 3
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter16: Amines
Section: Chapter Questions
Problem 16.21P
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