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Author Question: Instructions: Label each pair of molecules below as: a. enantiomers b. diastereomers c. ... (Read 94 times)

NguyenJ

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on: Aug 23, 2018
Instructions: Label each pair of molecules below as:
  a.
  enantiomers
  b.
  diastereomers
  c.
  identical
 

Question 2

Instructions: Label each pair of molecules below as:
  a.
  enantiomers
  b.
  diastereomers
  c.
  identical
 

Question 3

Instructions: Label each pair of molecules below as:
  a.
  enantiomers
  b.
  diastereomers
  c.
  identical
 

Question 4

Instructions: Label each pair of molecules below as:
  a.
  enantiomers
  b.
  diastereomers
  c.
  identical
 

Question 5

Instructions: Label each pair of molecules below as:
  a.
  enantiomers
  b.
  diastereomers
  c.
  identical
 

Question 6

Instructions: Consider the structure of streptimidone below to answer the following question(s).
   
 
  streptimidone
  Refer to instructions. Does streptimidone have a meso stereoisomer? Explain.

Question 7

Instructions: Consider the structure of streptimidone below to answer the following question(s).
   
 
  streptimidone
  Refer to instructions. Assign R or S configuration to each chirality center indicated in streptimidone.

Question 8

Instructions: In the molecules below, assign R, S configurations to the chirality center indicated with an arrow.
   
 
 
  norepinephrine
  alanine
   
   
  Refer to instructions. The configuration of the carbon atom labeled 20 is _____.

Question 9

Instructions: In the molecules below, assign R, S configurations to the chirality center indicated with an arrow.
   
 
 
  norepinephrine
  alanine
   
   
  Refer to instructions. The configuration of the carbon atom labeled 19 is _____.

Question 10

The numbers on the carbon center of the following molecule represent atomic numbers.
   
 
   
  The molecule is in
  a.
  the R configuration.
  b.
  the S configuration.
  c.
  The carbon is not a chiral center in this molecule.
  d.
  The exact configuration cannot be determined without knowing additional atomic numbers.

Question 11

Rank the following substituent groups from highest to lowest priority according to the sequencing rules.
   
   CO2CH3 CO2H OH Cl


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ilianabrrr

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Reply #1 on: Aug 23, 2018
Answer to Question 1

c

Answer to Question 2

b

Answer to Question 3

b

Answer to Question 4

c

Answer to Question 5

a

Answer to Question 6

No. Meso compounds are compounds that contain chirality centers but possess a plane of symmetry. Because the substituents on each chiral carbon are different in streptimidone, it is impossible for any stereoisomer to have a plane of symmetry.

Answer to Question 7



Answer to Question 8

s

Answer to Question 9

R

Answer to Question 10

b

Answer to Question 11

ANS: Cl > OH > CO2CH3 > CO2H


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Aug 23, 2018
Gracias!

aruss1303

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  • Posts: 314
Reply 3 on: Yesterday
:D TYSM

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