Q3. Have a look on the following spectra of the given compound and assign the peaks. Fill in the tables. 2.a 2 . 2.a 3. a. 3.55 201 Protons Chemical shift d(ppm) Multiplicity (singlet, doublet, 1 2 3 Integration 3 2 3 (3 points) 208.7 CHECCH.CH TMS 23 www w 200 180 160 140 120 100 80 60 20 0 ppm Chemical shift) Account for the difference in chemical shift of both 1 and 3 hydrogens. (2points) Carbons Chemical shift d(ppm) 1 2 3 (2 points) The most downfield carbon is ------? (2point) Why? (2 point)