Quiz 5 Answer Key - Chemistry 236 Fall 2009 Section AD7...

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Fall 2009 Section AD7 Name_____________________________________ Quiz 5 Answer Key You have 20 minutes to complete this quiz. Please write all your answers in the space provided. If you run out of space, use the back of the sheet. Please be sure to write your name on all pages of the quiz, and clearly number any problems you have to work on the back of a sheet. Try to work the problems carefully and methodically, but also try to leave enough time to check your answers. 1. Give the reagents that would be used to convert the alkyne shown into the cis-alkene and the trans-alkene. (4 points) H 2 , Pd/CaCO 3 Pb(OAc) 2 N (quinoline) Na NH 3 (This combination of reagents is called Lindlar's catalyst) You must know the reagents that make up Lindlar’s catalyst, you cannot just say Lindlar’s catalyst without showing the reagents. 2. (a) Show how you would use the two starting molecules shown to form the alkyne shown (which is the same alkyne used in the previous problem). (Note: you may need to do a reaction with one of the starting molecules to make it into something different before you can react it with the other starting molecule.) YOU DO NOT NEED TO DRAW A MECHANISM FOR THIS PROBLEM! (4 points)
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Quiz 5 Answer Key - Chemistry 236 Fall 2009 Section AD7...

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