1. Write an arrow pushing mechanism for the following reaction. (5 pts)

2. Show an arrow pushing mechanism for the following reaction. (5 pts)

3. The following alkyl halide undergoes an E2 elimination reaction with ethoxide, what is the major product? (4 pts)

4. The following reaction gives 2 stereoisomers. Draw both isomers and circle the major product. (5 pts)

5. Compound A and B shown below are diastereomers. They both undergoe an E2 elimination reaction in the same direction to give the alkene shown as the major product. However, one steroisomer reacts much faster under the same conditions, which diastereomer reacts faster, A or B? __________ Explain your answer using the 3D chair structures given. (6 pts)