Question

Armine the lHD for the following formula and provide 2 Lewis structures Hint: You may also draw first, determine HD second] CsH2O2N2 One of the two isomeric derivatives shown below exhibits strong intramolecular hydrogen bonding the other dans not. Draw good three-dimensional chair representations of the stable conformers of each compound that shows this phenomenon, and explain in words. (50 pts) 7. 5-hydroxy-1,3-dioxane is more stable with the OH group in the axial position than in the equatiorial position. Explain why and include 3D structures. 8. Draw all of the stereoisomers of 2,4-difluoro-3-bromopentane using Fischer projections beginning with all Br and F on the right hand side. Label the stereoisomers A, B, C, etc. (Remember to place the carbon backbone in the vertical orientation.) (60pts)

Answer 1

и Раи но at он с flipping 10- , @ - 2 он (2) аbон

a and respectively. and is more are most stable conformations q 1 & 11 C showe strong intramoleculas H- Bandung stable than a de