its UV light-absorbing property. What does the ending of the common name oxybenzone imply about its structure? 14.4 Indicate which of the following compounds contains a carbonyl group: a. CH-O-CHCH3 b. CH3CHCH-C-NH2 14.8 Assign IUPAC names to the following aldehydes: a. CH3CHCH-C-H b. CH3CHCH-C-H c. CH3CHOH d. O=CH-CH-CH3 14.5 Indicate which of the following compounds contains a carbonyl group: a. CH3-C-H b. CH3CH-C-H c. CH3CHCHCHO d. CH3CHCHCH-C-H 14.9 Assign IUPAC names to the following aldehydes: a. CH3CHCH-C-H b. CH3CHCH-CH2 c. CH3CHCHC=O d. CH3-O-CH3 14.6 Identify each of the following compounds as an aldehyde, a ketone, or neither: a. CH3CHCH-C-H b. CH3CHC=O c. CH3OH d. CH3CH-C-C-H e. CH3NH-C-NH2