Question 2 The configuration of R-(+)-glyceraldehyde is as follows: F-C-CH3 Question 1 Identify the following compounds as R or S. ☑ CH2CH3 H3C -C-F Он OH H OH CH3 CH₂OH R, R, R R, S, S S, R, S S, S, R S, S, S Question 3 What is the relationship between the structures shown below? Br What is the absolute configuration of (-)-lactic acid? OH H OH CH₂OH L configuration S configuration R and S configuration R configuration D and L configuration and Br Br Br identical compounds diastereomers constitutional isomers Oenantiomers configurational isomers