please help and explain these. thank you!!

2. Write the arrow pushing mechanism for the following reaction ( 5 points). 3. Show synthesis steps for the following target molecules (on the right) ( 5 points) a. b. 1. Draw the mechanism for the following reaction ( 2.5pts) 2. Write the products for the following reactions ( 2.5 pts) 3. Write the product(s) for the following reactions ( 10 pts) 4. Show a reaction schematic, which would accomplish the following conversions. SHOW THE MAJOR PRODUCT FOR EACH REACTION USED IN THE SCHEMATIC ( 10 points) a. b