Extraction Postquiz - View Results Post Lab Quiz 3 M A-B...

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Unformatted text preview: View Results Post Lab Quiz 3 M A-B extraction User ID: mbkogan2 Attempt: 1 / 1 Out of: 9.5 Started: September 28, 2007 1:51pm Finished: September 28, 2007 1:58pm Time spent: 6 min. 17 sec. Question 1 (1 point) What is this apparatus use for? Student response: Percent Value Correct Response Student Response Answer Choices 0.0% a. Precipitation benzoic acid 0.0% b . Concentrating the aqueous solution of ethyl 4- aminobenzoate 100.0% c. Removing methylene chloride from anthracene Score: 1 / 1 Question 2 (1 point) If a mixture of benzoic acid, anthracene, and ethyl 4-aminobenzoate is dissolved in methylene chloride and extracted with aqueous base, which phase would contain ethyl 4- aminobenzoate? Student response: Percent Value Correct Response Student Response Answer Choices 0.0% a. Aqueous Base 100.0% b . Methylene Chloride Score: 1 / 1 Question 3 (1 point) If a mixture of benzoic acid, anthracene, and ethyl 4-aminobenzoate is dissolved in methylene chloride and extracted with aqueous base, which phase would contain ethyl 4-...
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This note was uploaded on 08/26/2009 for the course CHEM 232 taught by Professor Vanderdonk during the Spring '08 term at University of Illinois at Urbana–Champaign.

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Extraction Postquiz - View Results Post Lab Quiz 3 M A-B...

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