2.Absorptionsa cmin the IR spectrum would sust which ofthe H39 CH Page 12 Page 12 20. Absorptions at 3358 cm-1 and 3283 cm-1 in the IR spectrum would suggest which of the following compounds? A) N CH3 O H B) N H H C) H3C OH O D) H3C N CH3 CH3 E) cannot tell from the absorption data Ans: B