[Answered] Assign R or S configuration to each chirality center indicated in ...

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Author Question: Assign R or S configuration to each chirality center indicated in ... (Read 66 times)

gonzo233

Hero Member
Posts: 557

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

Sr. Member
Posts: 334

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

Member
Posts: 557

Reply 2 on: Aug 23, 2018

Great answer, keep it coming

flexer1n1

Member
Posts: 373

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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