Transcription of PRACTICE QUESTIONS FOR CH. 5 PART I
1 PRACTICE QUESTIONS FOR CH. 5 PART I1) Is the molecule shown below chiral or achiral?OHOH2) Is the molecule shown below chiral or achiral?CCCHHCO2 OHCH33) Is the molecule shown below chiral or achiral?CCH2 OHCO2 HHHO2C4) Is the molecule shown below chiral or achiral?Cl5) Is the molecule shown below chiral or achiral?CH3CH3O6) Which of the following terms best describes the pair of compounds shown: enantiomers,diastereomers, or the same compound?CCH3 HNH2CO2 HCO2 OHCH3HH2N7) Which of the following terms best describes the pair of compounds shown: enantiomers,diastereomers, or the same compound?
2 CH3H3 COHHO8) Label each asymmetric carbon in the compound below as R or ) Label each asymmetric carbon in the compound below as R or ) Label each assymetric carbon in the compound below as R or ) Draw the structure of (2R,3S)-2,3-dichloropentane. Take particular care to indicate three-dimensional stereochemical detail ) Draw the structure of (S)-1-bromo-1-chloropropane. Take particular care to indicate three-dimensional stereochemical detail ) Draw the structure of a meso form of 1,3-dichlorocyclopentane. Take particular care toindicate three-dimensional stereochemical detail ) How many asymmetric carbons are present in the compound below?
3 CH3H15) How many asymmetric carbons are present in the compound below?OHOHOHOH2 COHOH16) How many asymmetric carbons are present in the compound below?CO2 HCO2 HOHHOHH17) How many asymmetric carbons are present in the compound below?-ethyl-2,2,4-trimethylpentane18) Can the molecule shown below be properly described as a meso compound?19) Can the molecule shown below be properly described as a meso compound?ClCl20) Can the molecule shown below be properly described as a meso compound?ClCl21) Draw the structure of (1R, 2R)-1-bromo-2-chlorocyclobutane.
4 Take particular care to indicatestereochemistry ) Stereoisomers which are not mirror image isomers are ) Is it theoretically possible to separate the pair of compounds below by distillation? ) Draw the Fischer projection of (S)-2-hydroxybutanoic acid, CH3CH2CH(OH) ) How many enantiomers are there of the molecule shown below?OHOHA. 6 B. 2 C. 0 D. 1 E. 326) Which of the following terms best describes the pair of compounds shown: enantiomers,diastereomers, or the same compound?ClH3 CHClCH3 HClCl27) Which of the following terms best describes the pair of compounds shown: enantiomers,diastereomers, or the same compound?
5 BrH3 CHCH2CH3CH3CH2CH3 BrH28) Label each asymmetric carbon in the molecule below as having the R or S ) achiral2) achiral3) achiral4) achiral5) chiral6) the same compound7) enantiomers8)9)10)11)12)13)14) 115) 516) 217) 118) No19) Yes20) No21)22) diastereomers23) Yes. The molecules are related as diastereomers and hence have different boiling )25) C26) the same compound27) enantiomers28)HHH3 CHO2 CCH2CH3 Fss
