. (+) Chloramphenicol is a powerful antibiotic isolated in 1949 from the Streptomyces venezuelae bacterium. Its specific rotation is +18.6°. What is the composition of a mixture of (+) and (-) chloramphenicol whose observed specific rotation is +14.88⁰ ? Select one: O A. 60% (+) chloramphenicol and 40 % (-)

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter24: Amines And Heterocycles
Section24.SE: Something Extra
Problem 40MP
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Question 22
. (+) Chloramphenicol is a powerful antibiotic
isolated in 1949 from the Streptomyces
venezuelae bacterium. Its specific rotation is
+18.6°. What is the composition of a mixture of
(+) and (-) chloramphenicol whose observed
specific rotation is +14.88⁰ ?
Select one:
O A. 60% (+) chloramphenicol and 40 % (-)
chloramphenicol
B. 90% (+) chloramphenicol and 10 % (-)
chloramphenicol
O C. 80% (+) chloramphenicol and 20 % (-)
chloramphenicol
D. 70% (+) chloramphenicol and 30 % (-)
chloramphenicol
Transcribed Image Text:. (+) Chloramphenicol is a powerful antibiotic isolated in 1949 from the Streptomyces venezuelae bacterium. Its specific rotation is +18.6°. What is the composition of a mixture of (+) and (-) chloramphenicol whose observed specific rotation is +14.88⁰ ? Select one: O A. 60% (+) chloramphenicol and 40 % (-) chloramphenicol B. 90% (+) chloramphenicol and 10 % (-) chloramphenicol O C. 80% (+) chloramphenicol and 20 % (-) chloramphenicol D. 70% (+) chloramphenicol and 30 % (-) chloramphenicol
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