chem118b_quiz_1_keys2

chem118b_quiz_1_keys2 - CHEM118B QUIZ 1(MONDAY LABS O8/09...

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CHEM118B QUIZ 1 (MONDAY LABS –O8/09) Keys 1) Provide an arrow-pushing mechanism for this reaction (20pts) OH O H Br H H Br Br 5pts for protonation showing all arrows correctly even if they showed SN1 2) What is the type of mechanism depicted by the reaction in question 1? (SN2 20pts) 3) In one or two sentences, please describe how one would obtain an accurate boiling point. Heat the sample until the bubbles continually stream out of the inverted capillary, Then note the temperature once the bubbles cease and the liquid is sucked up the capillary tube . (20 Pts. You could give partial credits if you think what students wrote makes sense) 4) After an extraction process, which of the following is used as a drying agent . (20pts ) A) NaHCO 3 B) CO 2 C) Na 2 SO 4 D) H 2 O 5) A solution containing two layers consists of an aqueous layer (d H2O = 1.0 g/ml) and an organic liquid that has a density of 0.8 g/ml. Draw a test tube containing these solutions and label each layer. (20pts ) (The denser substance will be in the bottom and the less dense substance on top)
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This note was uploaded on 02/03/2010 for the course CHE Organic Ch taught by Professor Nasiri during the Spring '10 term at UC Davis.

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chem118b_quiz_1_keys2 - CHEM118B QUIZ 1(MONDAY LABS O8/09...

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