Question 9 If reaction Pathway A is carried out at high temperatures, a trisubstituted product forms. Which of the following compounds is the possible trisubstituted derivative? O2N- -Br O2N- -Br -Br Br A. O,N B Br NO2 NO2 O,N- -Br ON- -NO2 Question 10 Which of the following is a correct statement regarding electrophilic aromatic substitution? A. The carbocation intermediate will lose a proton to regain aromaticity, usually from a position other than the site of electrophilic attack. B. Formation of the carbocation intermediate has a high activation barrier due to loss of aromaticity. C. The carbocation intermediate has several resonance structures and is negatively charged. D. Reformation of the aromatic ring has a low activation barrier and therefore occurs slowly. E. Many suitable electrophiles are unreactive and can be stored for long periods of time prior to use.
Question 9 If reaction Pathway A is carried out at high temperatures, a trisubstituted product forms. Which of the following compounds is the possible trisubstituted derivative? O2N- -Br O2N- -Br -Br Br A. O,N B Br NO2 NO2 O,N- -Br ON- -NO2 Question 10 Which of the following is a correct statement regarding electrophilic aromatic substitution? A. The carbocation intermediate will lose a proton to regain aromaticity, usually from a position other than the site of electrophilic attack. B. Formation of the carbocation intermediate has a high activation barrier due to loss of aromaticity. C. The carbocation intermediate has several resonance structures and is negatively charged. D. Reformation of the aromatic ring has a low activation barrier and therefore occurs slowly. E. Many suitable electrophiles are unreactive and can be stored for long periods of time prior to use.
Introductory Chemistry: A Foundation
8th Edition
ISBN:9781285199030
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter2: Measurements And Calculations
Section: Chapter Questions
Problem 104AP: Convert 45 mi/h to m/s, showing how the units cancel appropriately.
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Question
9 and 10
Transcribed Image Text:Br
Pathway A
Pathway B
Br
HNO3
H2SO,
Br2
FeBr3
NO2
NO2
Transcribed Image Text:Question 9
If reaction Pathway A is carried out at high temperatures, a trisubstituted
product forms. Which of the following compounds is the possible
trisubstituted derivative?
-Br O,N-
-Br
-Br
O,N
B
Br
Br
A.
NO2
NO2
O2N-
-Br ON-
-NO2
E
Question 10
Which of the following is a correct statement regarding electrophilic aromatic
substitution?
A. The carbocation intermediate will lose a proton to regain
aromaticity, usually from a position other than the site of
electrophilic attack.
B. Formation of the carbocation intermediate has a high activation
barrier due to loss of aromaticity.
C. The carbocation intermediate has several resonance structures
and is negatively charged.
D. Reformation of the aromatic ring has a low activation barrier and
therefore occurs slowly.
E. Many suitable electrophiles are unreactive and can be stored for
long periods of time prior to use.
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