Question

2. (12 marks) Shown below are structural diagrams for six pairs of molecules. From the list of four terms given below, choose the single term that best describes each pair and write it on the line below the pair of structures. Note that a term may be used more than once if necessary

. 2. (12 marks) Shown below are structural diagrams for six pairs of molecules. From the list of four terms given below, choose the single term that best describes each pair and write it on the line below the pair of structures. Note that a term may be used more than once if necessary. enantiomers diastereomers constitutional isomers identical Et H CH3 CH3 HSF MeF HY Me Het Me Me HA CH3 H- OH Et OH Br Br- H CH3 Vet

Answer 1

Diastereomers WH H MeF HET Me (2R,3S)-2-fluoro-3-methylpentane нАлме Me Me (2R,3R)-2-fluoro-3-methylpentane Me CH3 CH3 CH3 Identical CH3 н (1R,3S)-1,3-dimethylcyclohexane (1R,3S)-1,3-dimethylcyclohexane Constitutional isomers (1R,3S)-1,3-dimethylcyclohexane (1R 2S)-1,2-dimethylcyclohexane Enantiomers (S)-1,6-dioxaspiro[4.4]nonane (R)-1,6-dioxaspiro[4.4]nonane Diastereomers OH Br (2S,3R 4S)-4-bromo-3-methylpentan-2-ol СН3 нтон H+CH3 Br+H CH3 (2S,3S,4S)-4-bromo-3-methylpentan-2-ol Et Enantiomers NCH3 Et (1R 3R)-1,3-diethyl-2-methylcyclohexane (18,3S)-1,3-diethyl-2-methylcyclohexane