Quiz 1 Answer key S2009

Quiz 1 Answer key S2009 - electron count Feel free to use...

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Chem 41c Quiz 1 Stoltz, Spring 2009 April 10, 2009 You have 25 min to take this quiz. It is closed note, closed book, and no collaboration is allowed. Please do not discuss the quiz with anyone until you receive it back graded. Place a box around your answers. There is no partial credit. Predict the products (if any) of the following reactions: (5 points each) 1. CH 3 Br Pd(PPh 3 ) 2 80 °C CH 3 Pd PPh 3 Ph 3 P Br 2. 80 °C Pd PPh 2 Ph 2 P D D D D Pd PPh 2 Ph 2 P This is not needed (1 point bonus) 3. In the following complexes, what is the formal oxidation state of the metal, the d n description, and the
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Unformatted text preview: electron count? Feel free to use the periodic table in the room (no partial credit). (5 points each) a. Cl Ir C PPh 3 Ph 3 P O Ir(I) or Ir 1+ d 8 16 electron complex b. V V(I) or V 1+ d 4 18 electron complex CO CO CO OC Bonus (5 points) Predict the major product (with stereochemistry) of the following catalytic reaction. Br D H Pd(PPh 3 ) 4 , Et 3 N 100 °C or H 3 CO H 3 CO H 3 CO H H D This is the major product This is a mechanistic possibility and counts for equal credit either answer is fine...
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Quiz 1 Answer key S2009 - electron count Feel free to use...

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