2006 exam 3 - CHEMISTRY 221 1 EXAM 3 March 29,2006...

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CHEMISTRY 221 1 AU~UER I/\q EXAM 3 March 29,2006 Be sure to read each question carefully. Partial credit will be assigned where appropriate. I To receive full credit you must answer the question completely. Relax and good luck!! j?t f) 1. (6 pts) Calculate the degree of unsaturation for the following molecular formulas: 2. (9 pts) Provide the proper lUPAC names for the following compounds using the (E)/(Z) system: 4' 3 4
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4. (12 pts) Draw a reaction energy diagram that corresponds to the following criteria: I. The first step is slow and AH" is positive Ah p o ~ = A& ~ O S 11. The second step is fast and exothermic E*D t L = & m3 111. The third step is slow and AG" is negative IV. The reaction's overall &,< 1 = hb p.5 Clearly label each individual step's activation energy and transition state as well as each reaction intermediate: .---------- bC73 E . - - - - - - - . . . - . . - . . .- 5. (10 pts) Provide a complete, detailed, stepwise mechanism for the following reaction. In order to receive full credit you must show all electron movement:
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