which of the following does not apply to the compound shown above?

OCHEM Exam 3

Quiz
•
Chemistry
•
University
•
Easy
Victoria Garcia
Used 2+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
it has (R) configuration
it could either be dextrorotatory or levorotatory
it is a chiral compound
it has an enantiomer
it is optically active
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
predict the specific rotation of cis-1,4-dimethylcyclohexane
because this compound represents a racemic mixture, the compound is dextrorotatory
zero; the compound is achiral
because both asymmetric centers are R, the compound is dextrorotatory
because both asymmetric centers are S, the compound is levorotatory
it is impossible to predict; it must be determined experimentally.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the specific ration of (S)-2-iodoobutane is +15.90. what is the % composition of a mixture of (R) and (S)-2-idodobutane with a specific ration of -7.95?
A. 48% (R) and 25% (S)
B. 75% (R) and 25% (S)
C. 76% (R) and 24% (S)
D. 25% (R) and 75% (S)
E. 24% (R) and 76% (S)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
how many stereoisomers are possible for the molecule shown below?
194
128
132
228
256
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sn2 Reactions usually proceed with ____.
slightly more inversion that retention at the center undergoing substitution
complete inversion at the center undergoing substitution
slightly more retention than inversion at the center undergoing substitution
equal amounts of inversion and retention at the center undergoing substitution
complete retention at the center undergoing substitution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is the correct name of the following structure?
A. (2R, 3R)-2-bromo-3-chlorobutane
B. (2S, 3S)-2-bromo-3-chlorobutane
C. (2R, 3S)-2-bromo-3-chlorobutane
D.(2S, 3R)-2-bromo-3-chlorobutane
none of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of the following statements correctly describes E1 reactions of alkyl halides (RX)?
Both II and IV
III, IV, and V
III only
I, IV, and V
I, III, V
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