Page 10 - FPGEE Medicinal and Organic Chemistry Q&A Book

Krisman

19. How many enantiomers are possible for
H
2,3-Dichloropentane?
4. CH C H
3 2 5
CH 3 CH CH CH 2 CH 3
Cl
Cl Cl
(sec-Butyl chloride)
2,3-Dichloropentane
a. 1
b. 2 a. 1
c. 3 b. 3
d. 4 c. 4
d. 5
17. What is the complete name for the opti-
cally active compound listed below? 20. Which of the following is (R)-3-
hexanol?

a. (+)-Bromochloroiodomethane
b. (S)-Bromochloroiodomethane
c. (R)-Bromochloroiodomethane
d. (RS)-Bromochloroiodomethane

18. In the following compound what would
be the correct configuration sequence of atoms
attached to the chiral carbon?

H

CH CH C C H 5
2
3
CH Cl
3
3-chloro-2-methylpentane
a. fig-1
b. fig-2
a. Ethyl > Cl > Isopropyl > H c. fig-3
b. Cl > Ethyl > H > Isopropyl d. fig-4
c. Cl > Isopropyl > Ethyl > H
d. Isopropyl > Cl > Ethyl > H

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