Draw the structure of a, a compound of molecular formula c10h12o2, from its ir data and 1h nmr spectrum. click the "draw structure" button to launch the drawing utility. ir absorption for a at 1718 cm−1

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.