I was wondering if my answer for question 4and 6 are correct. but I would really

Question

I was wondering if my answer for question 4and 6 are correct. but I would really like some help for question 7

4 The endo-adduct of the Diels-Alder reaction between furan and maleic anhydride is kinetically favored. What must be true about the endo product? Circle all that apply a. the endo product is lower in energy than the exo product b) formation of the endo product is faster than formation of the exo product c. the transition state leading to the formation of the endo product is lower than the transition state leading to formation of the exo product 5. According to your results, which product did you obtain from your experiement? Circle all that apply. a. kinetic product thermodynamic product 6. The reaction coordinate diagram to the right shows furan & maleic anhydride formation of the endo furan-maleic anhydride adduct. Given your answers to (3) and (4) draw the reaction coordinate diagram for formation of the exo-adduct on the same axis. Pay attention to relative energies of transition states and products. endo Why might the exo adduct between furan-maleic anhydride be thermodynamically favored over the endo? Justify with drawings.

Explanation / Answer

Answer 4

When the endo adduct is kinetically favoured,

b) the formation of endo product is faster than the formation of exo product.

c) the transition state leading to formation of endo product is lower than that of exo product.

(Kinetically favoured does not mean thermodynamically favoured.)

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