Multiple ChoiceWhich structural feature must a molecule possess in order to absorb infrared (IR) radiation?34views
Multiple ChoicePolystyrene is used to make Styrofoam cups. Which functional group is present in the repeating unit of polystyrene?46views
Multiple ChoiceWhich of the following IR absorption bands would you expect to observe in the functional group region (4000–1500 cm^{-1}) for ethanol (CH_3CH_2OH)?35views
Multiple ChoiceWhich of the following functional groups is commonly found in compounds that act as emulsifiers?39views
Multiple ChoiceWhich type of linkage in starch is formed as a result of condensation reactions between glucose monomers?39views