What would be the correct structure based on the following NMR data Molecule formula: C8H8O2 - S:3.6ppm. Singlet,3H - S:7.4ppm and 7.8 ppm doublet of doublets 4H total -S:9.8ppm singlet,1H

Identify the structure of the compound a with a formula of C3H6O2 having the following IR, and 1H NMR spectra (integrals and multiplicity shown in the boxes: s-singlet, d-doublet, t-triplet, q-quartet, etc.). Label the spectra with proper information you deduced (functional groups, number of protons, fragments, etc.). Compound formula.  C3H6O2 Questions to help you decide  What is the element of unsaturation of the molecular formula? Show the equation you use: What are the functional groups present in this molecule? Show all of them belowDraw at least two possible structures that have the . required element of unsaturation as well as the observed functional groups: Based on the 1H NMR above, what molecular fragmentations do you see: Draw your final decision of the structure below. Is this one of the structures in your answer 5C?

7. Identify the structures for the following two isomers with molecular formula C10H12O2. There is an IR stretch at 1718 cm¹ for the compound in part a and 1740 cm¹ for the compound in part b. The 'H NMR spectra are shown below. a. b. 11 10 HSP-01-396 11 10 HSP-02-824 3 2 2 will 9 9 2 8 8 5 7 7 6 6 5 ppm 5 ppm 4 3 2 2 4 3 2 2 3 1 1 0 0

Draw the structure.