Question 11 1 points A coumpound with Formula 10120 displayas a strong IR stretch at 1686 cm-1. There are no strong IR absorptions greater in energy than the C-H stretches It posseses the following NMR data: 1.21 ppm (3H, triplet), 2.30 ppm (3H, singlet). 2.95 ppm (2H, quartet). 7.24 ppm (2H, doublet). 7.85 ppm (24 dublet) Please check al boxes which are consistent with the structure from which this data was derived. aldehdye alcohol Index of H deficiency 5 aromatic DOOD At least one ethyl group Index of H deficiency No ethyl groups Index of H deficiency - 3 H not aromatic kotone Index of H deficiency - 6