Organic Chemistry 1 Quiz
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STEREOCHEMISTRY & CONFORMATIONS
Question 1
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Which of the following statements about CIP priority assignment is correct when comparing the substituents
−
C
H
2
C
H
2
C
H
2
C
l
-CH_2CH_2CH_2Cl
−
C
H
2
C
H
2
C
H
2
C
l
and
−
C
H
(
C
H
3
)
C
H
2
B
r
-CH(CH_3)CH_2Br
−
C
H
(
C
H
3
)
C
H
2
B
r
?
A
−
C
H
2
C
H
2
C
H
2
C
l
-CH_2CH_2CH_2Cl
−
C
H
2
C
H
2
C
H
2
C
l
has higher priority because chlorine has a higher atomic number than the carbons in the branched chain
B
−
C
H
(
C
H
3
)
C
H
2
B
r
-CH(CH_3)CH_2Br
−
C
H
(
C
H
3
)
C
H
2
B
r
has higher priority because bromine has a higher atomic number than chlorine, outweighing the branching pattern
C
−
C
H
(
C
H
3
)
C
H
2
B
r
-CH(CH_3)CH_2Br
−
C
H
(
C
H
3
)
C
H
2
B
r
has higher priority because the methyl branch at the second carbon increases the priority at that position
D
The two substituents have equal priority because both contain the same number of carbon atoms in their longest chain
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