Qualitative Organic Analysis Lab Discussion Qualitative Organic Analysis Lab Discussion Exp. 7 Pre-Lab / Qualitative Organic Analysis Name:_________________________________ Score:______/ 10 1. Draw reaction schemes for: a) The reaction of acetone (2-propanone) with semicarbazide hydrochloride to form the semicarbazones. b) The reaction of acetone (2-propanone) with 2,4-dinitrophenylhydrazine to form the hydrazone. 2. Draw the mechanism for either reaction 1a or 1b (above). (Hint: See imine formation in the text.) 3. Explain the purpose and means of interpretation of the following tests: a) Beilstein b) Combustion c) Tollens d) Semicarbazone and / or 2,4 Dinitrophenylhydrazine 4. Your unknown is believed to be
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