please answer the questions below (5), answer only please. please be neat!

6. What is the major organic product obtained from the following neaction? H2SO4K2CH2O7= 7. What is the major organic product obtained frum the following reaction? 1) NBS, light 2) NaCN, acctone 8. Provide a brief explanation of why the structuse below is afomatic. Your answer should identify the hybridization of the oxygen atom and the carbon with the + churge, and acceurt for which electrons are in the pi systen. 9. Provide a brief explanation of why the dianion (below) is antiaromatic. Your answer should identify the hybridization of each carbon atom and account for which electrons are in the pi system. 10. What is the product of the following Diels-Alder Reaction? Make sure to include the stereochemistry in your