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Unformatted text preview: several minutes, cool, add a few ml. of water and then cone. HCl, and cool again. Crystals of benzoic acid separate out on scratching the sides of the tube with a glass rod. The Cannizzaro reaction cannot be carried out very satisfactory on a test-tube scale. On gentle warming gives chloroform, which separ-ates out as oily liquid, characteristic odour. Turns-brown on heating. Section 5. Treatment with Sodium Carbonate solution. Place about 5 ml. of Na 2 CO 3 solution in (p. 318) a test-tube, add a few fragments of unglazed porcelain, and boil gently to ensure complete absence of bicarbonate and of free carbon dioxide. Cool the solution, add about o-i g. of the substance to be tested, and * See footnote p. 329....
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This note was uploaded on 09/19/2011 for the course CHM 2211 taught by Professor Castalleano during the Fall '06 term at University of Florida.
- Fall '06
- Organic chemistry