43. Which of the following structures has the R configuration? H CH,CH3 CH2CH3 CH3 он H,CH2C CI Br CH3 II A) Only I B) Only II C) Only I and II D) I, II and III 44. Which of the following structures has the R configuration? H он CH¿CH3 H3C CH,CH3 H. Он H,CH2C II II A) Only I B) Only II C) Only I and II D) I, II and III 45. Which of the following is the definition for a pair of diastereomers? A) A pair of stereoisomers with stereogenic centers which is not chiral. B) A pair of stereoisomers that are superimposable mirror images of each other. C) A pair of stereoisomers that are not superimposable mirror images of each other. D) A pair of stereoisomers that are not mirror images of each other.

43. Which of the following structures has the R configuration? H CH,CH3 CH2CH3 CH3 он H,CH2C CI Br CH3 II A) Only I B) Only II C) Only I and II D) I, II and III 44. Which of the following structures has the R configuration? H он CH¿CH3 H3C CH,CH3 H. Он H,CH2C II II A) Only I B) Only II C) Only I and II D) I, II and III 45. Which of the following is the definition for a pair of diastereomers? A) A pair of stereoisomers with stereogenic centers which is not chiral. B) A pair of stereoisomers that are superimposable mirror images of each other. C) A pair of stereoisomers that are not superimposable mirror images of each other. D) A pair of stereoisomers that are not mirror images of each other.

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter5: Stereochemistry At Tetrahedral Centers

Section5.5: Sequence Rules For Specifying Configuration

Problem 8P

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