Chemistry Expert Q&A
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TD
Taylor Davies
about 1 hour ago
Rank the following in order of increasing pKa (from lowest to highest pKa) . 
A) 1 < 2 < 3
B) 3 < 2 < 1
C) 2 < 1 < 3
D) 3 < 1 < 2
E) 2 < 3 < 1
A) 1 < 2 < 3
B) 3 < 2 < 1
C) 2 < 1 < 3
D) 3 < 1 < 2
E) 2 < 3 < 1
AW
Akiel Williams
about 1 hour ago
Which of the following is another accepted name for methyl phenyl ketone?
A) anisole
B) cresol
C) acetophenone
D) benzophenone
E) cresone
A) anisole
B) cresol
C) acetophenone
D) benzophenone
E) cresone
BM
breeanna McDonald
about 1 hour ago
Which of the following is not a fused-ring heterocycle?
A) purine
B) pyrimidine
C) benzofuran
D) indole
E) quinoline
A) purine
B) pyrimidine
C) benzofuran
D) indole
E) quinoline
MA
madhav agarwal
about 2 hours ago
Which of the following compound has the highest melting point?
A) benzene
B) toluene
C) o-dichlorobenzene
D) m-dichlorobenzene
E) p-dichlorobenzene
A) benzene
B) toluene
C) o-dichlorobenzene
D) m-dichlorobenzene
E) p-dichlorobenzene
MP
Malcolm Phipps
about 2 hours ago
Which of the following is also an acceptable name for 1,3,5-trimethylbenzene?
A) styrene
B) mesitylene
C) cumene
D) cymene
E) 1,3,5-xylene
A) styrene
B) mesitylene
C) cumene
D) cymene
E) 1,3,5-xylene
KA
Keeli Alexis
about 3 hours ago
Aromatic molecules contain ________ π electrons.
A) no
B) 4n + 1 (with n an integer)
C) 4n + 2 (with n an integer)
D) 4n (with n an integer)
E) unpaired
A) no
B) 4n + 1 (with n an integer)
C) 4n + 2 (with n an integer)
D) 4n (with n an integer)
E) unpaired
RG
Robin Gooden
about 3 hours ago
How many distinct nodal planes which are perpendicular to the molecular plane are present in the π4* orbital of benzene?
A) 0
B) 1
C) 2
D) 4
E) 5
A) 0
B) 1
C) 2
D) 4
E) 5
SR
Sekhar Reddy
about 3 hours ago
Which of the following structures, if flat, would be classified as antiaromatic?
A)
B)
C)
D)
E)
A)
B)
C)
D)
E)
LI
Landon Ivins
about 3 hours ago
Which of the following is another name for cyclobutadiene?
A) [2]annulene
B) [4]annulene
C) [6]annulene
D) Dewar benzene
E) antibenzene
A) [2]annulene
B) [4]annulene
C) [6]annulene
D) Dewar benzene
E) antibenzene
DC
Debasmith Chakravorty
about 3 hours ago
In the molecular orbital representation of benzene, how many π molecular orbitals are present?
A) 1
B) 2
C) 4
D) 6
E) 8
A) 1
B) 2
C) 4
D) 6
E) 8
KM
KHAN M SALIM
about 4 hours ago
p-Methoxybenzaldehyde can be prepared from anisole using the Gatterman-Koch formylation. What mixture of reagents is necessary for this process?
A) CO, HCl, AlCl3, CuCl
B) CO, SO3, H2SO4
C) CO2, HCl, AlCl3
D) CO2, SO3, H2SO4
E) CO2, HNO3, H2SO4
A) CO, HCl, AlCl3, CuCl
B) CO, SO3, H2SO4
C) CO2, HCl, AlCl3
D) CO2, SO3, H2SO4
E) CO2, HNO3, H2SO4
MG
Monika Gomez
about 4 hours ago
What is the bond order of the carbon-carbon bonds in benzene?
A) 0.5
B) 1
C) 1.5
D) 2
E) 3
A) 0.5
B) 1
C) 1.5
D) 2
E) 3
KJ
Kristine Joy Gabalfin
about 4 hours ago
What type of reaction is shown below? (Org. Lett., 2013, 15 (15) , 3950-3953) 
A) Heck reaction
B) Suzuki coupling
C) Organocuprate coupling
D) Birch reduction
A) Heck reaction
B) Suzuki coupling
C) Organocuprate coupling
D) Birch reduction
DV
Diogo Villas-Boas
about 5 hours ago
Which of the following compounds is least reactive in the nucleophilic aromatic substitution reaction with NaOH?
A) 2,4-dinitrochlorobenzene
B) m-nitrochlorobenzene
C) o-nitrochlorobenzene
D) p-nitrochlorobenzene
E) 3,5-dinitrochlorobenzene
A) 2,4-dinitrochlorobenzene
B) m-nitrochlorobenzene
C) o-nitrochlorobenzene
D) p-nitrochlorobenzene
E) 3,5-dinitrochlorobenzene
CC
Cadence Chase
about 6 hours ago
In electrophilic aromatic substitution reactions, a cyano substituent on the aromatic ring is ________.
A) a deactivator and a m-director
B) a deactivator and an o,p-director
C) an activator and a m-director
D) an activator and an o,p-director
E) none of the above
A) a deactivator and a m-director
B) a deactivator and an o,p-director
C) an activator and a m-director
D) an activator and an o,p-director
E) none of the above
MC
Marcus Cunningham
about 6 hours ago
In electrophilic aromatic substitution reactions, a -CO2H substituent on the aromatic ring is ________.
A) a deactivator and a m-director
B) a deactivator and an o,p-director
C) an activator and a m-director
D) an activator and an o,p-director
E) none of the above
A) a deactivator and a m-director
B) a deactivator and an o,p-director
C) an activator and a m-director
D) an activator and an o,p-director
E) none of the above
