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Author Question: Assign R or S configuration to each chirality center indicated in ... (Read 65 times)

gonzo233

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on: Aug 23, 2018
Assign R or S configuration to each chirality center indicated in streptimidone.

Question 2

Place asterisks at all of the chirality centers in muscarine and calculate the number of stereoisomers that
  exist for this structure.


 

Question 3

Draw each.
  a. (S)-2-chlorohexane
  b. (2R,3S)-1,3-dichloro-2-methylbutane
  c. (R)-3-bromocyclopentene
  d. (2S,3S)-2,3-butanediol



Question 4

Draw Fisher projections showing the configurational isomers of C4H8Cl. Give complete names for each
  and designate the isomers unambiguously.



Question 5

Label each chiral center with an asterisk and calculate the number of stereoisomers for each.
 

Question 6

Which of the following structures is chiral?
 
 

a. 1
  b. 2
  c. 3
  d. 4



Question 7

Which of the following structures does not have a plane of symmetry?
 
 

a. only 2
  b. only 1 and 2
  c. only 3 and 4
  d. only 1, 2 and 4



Question 8

Which of the following structures have a plane of symmetry?
 
 

a. only 1 and 2
  b. only 2 and 4
  c. only 3 and 4
  d. 1, 2, 3 and 4



Question 9

Which of the following compounds is/are chiral?
 
 

a. only 1
  b. only 1 and 2
  c. only 2 and 3
  d. 1, 2 and 3



Question 10

Which of the following structures represent the same stereoisomer?
 


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alexanderhamilton

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



Answer to Question 2



Answer to Question 3



Answer to Question 4



Answer to Question 5

ANS: 16 4 possible (actually only 3 because of meso)


Answer to Question 6

c

Answer to Question 7

a

Answer to Question 8

c

Answer to Question 9

a

Answer to Question 10

c

Answer to Question 11

c

Answer to Question 12

d

Answer to Question 13

d

Answer to Question 14

e

Answer to Question 15

b

Answer to Question 16

c

Answer to Question 17

b

Answer to Question 18

b

Answer to Question 19

d

Answer to Question 20

a

Answer to Question 21



gonzo233

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  • Posts: 557
Reply 2 on: Aug 23, 2018
:D TYSM

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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