Chemistry 881 October 1, 2001 Practice Examination 2 1. (10 points) Problem 2.2 2. (20 points) Problem 3.1 3. (20 points) Use the free electron model for the pi electrons in butadiene and show that the first electronic transition is predicted to occur at 4.54 x 104cm-1. The length of butadiene can be estimated to be 578 pm. 4. (15 points) Problem 5.13 5. (5 points) Problem 5.18 6. (15 points) Problem 5.35 7. (15 points) Problem D10