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- Which of the following molecule(s) is(are) chiral? A. B. C. N H₁ H✔ A B Ru Fe B H H A and C A and B B 7²+ -H HCH-ST15 A mixture of equal amounts of two enantiomers A. is called a racemic mixture B. is optically inactive O.C implies that the enantionmers are meso forms D. is both a racemic mixture and is optically inactive O E. is both a racemic mixture and is optically activeThe following compounds are: CI Br IF Br constitutional isomers. enantiomers. diastereomers. O Identical
- structures. H3C H" НО CH3 CI CH₂CH3 ationship O A. identical O B. enantiomers C. constitutional isomers O D. diastereomers ollowing pair of H3C CH₂CH3 HOCH3 CI H8) Identify enantiomers. C E A CI H ICL F CI H Cle H. CI H. CI H CI CI H. F H. 'F 'F H. F H H. F H H H. A) B and D, A and C B) B and D C) A and B, A and D, B and C, C and D D) B and D, A and B, A and D, B and C, C and D E) A and C1. Draw a star(*) to all stereogenic/chiral carbon(s) in these molecules; Ans HO HO. HO HO, OH 2. Label each chiral carbon either as R or S stereoisomers. OH а. b. HS HO. C. Br H. H2N H Ans 3. Give (draw) an example of a meso isomer. Ans
- Which of the following are enantiomers of each other? H H H H OC, D O B. C OA, B OB, D OA, C H A Br H mu B F Br Br K C H H H Br will D F HExplain each statement by referring to compounds A-E. он он HO .OH CI OH A в E a. A has a mirror image but no enantiomer. b. B has an enantiomer and no diastereomer. c. C has both an enantiomer and a diastereomer. d. D has a diastereomer but no enatiomer. e. E has a diastereomer but no enantiomer. E..Describe the stereochemical relationship between the two structures below. H H CHO OH OH CH₂OH I OA Mesomers HO H B. Enantiomers OC. Conformers D. Raceomers E.Diasteromers CHO -H -OH CH₂OH II