Section 4
Difficulty Level: Easy
44. Identify the most acidic proton on the following compound.
Hd
Hb
Hc
Ha
A. Ha
B. Hb
C. Hc
D. Hd
45. Identify the most acidic proton on the following compound.
O
Ha
OHb
O
Hd
SHc
A. Ha
B. Hb
C. Hc
D. Hd
46. Why is acetic acid more acidic than ethanol when the acidic proton in both cases
is attached to oxygen?
47. Predict the position of equilibrium for the following reaction.
OF3C OH OH F3C O
++
A. To the left
B. To the right
C. No reaction
48. Predict the position of equilibrium for the following reaction.
CN
NHC N
N
++
A. To the left
B. To the right
C. No reaction
49. Predict the position of equilibrium for the following reaction.
++
A. To the left
B. To the right
C. No reaction
50. Predict the position of equilibrium for the following reaction.
OH SOSH
++
A. To the left
B. To the right
C. No reaction
51. Could water protonate the following compound?
A. Yes
B. No
52. Could water protonate the following compound?
O
O
A. Yes
B. No
53. Could water protonate the following compound?
O
A. Yes
B. No
54. Could water protonate the following compound?
HOSO3–
A. Yes
B. No
55. Could hydroxide deprotonate CH4?
A. Yes
B. No
56. Could hydroxide deprotonate the following compound?
O
OH
A. Yes
B. No
57. Could ammonia (NH3) deprotonate CH4?
A. Yes
B. No
58. Could ammonia (NH3) deprotonate the following compound?
O
OH
A. Yes
B. No
59. Could the amide anion (– NH2) deprotonate CH4?
A. Yes
B. No
60. Could the amide anion (– NH2) deprotonate the following compound?
O
OH
A. Yes
B. No
61. Can this base exist in water?
O
A. Yes
B. No
62. Can this base exist in water?
Na2CO3
A. Yes
B. No
63. Can this base exist in water?
S
A. Yes
B. No
64. Can this base exist in water?
Et3N
A. Yes
B. No
65. Can this base exist in water?
A. Yes
B. No
66. Explain the leveling effect.
67. What is the strongest base that can exist in water?
68. Can this base exist in hexane?
A. Yes
B. No
69. Can this base exist in liquid ammonia?
A. Yes
B. No
70. What is a cation?
71. What is the counterion to methoxide in the following compound?
NaOMe
A. Na+
B. O
C. Me
D. OMe
72. What is the counterion of iodide in the following compound?
AgI
A. I
B. Ag+
C. gI
D. AI
73. What is the counterion of the t-butyl carbanion in the following compound?
Li
A. tert-butyl
B. C
C. Li+
D. H
74. What is the counterion of t-butoxide in the following compound?
OK
A. K+
B. O
C. tert-butoxide
D. tert-butyl
75. Into which of the following categories does the following compound belong?
O
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
76. Into which of the following categories does the following compound belong?
BF3
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
77. Into which of the following categories does the following compound belong?
GaF3
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
78. Into which of the following categories does the following compound belong?
S
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
79. Into which of the following categories does the following compound belong?
Me3P
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
80. Which is the best descriptor for the following compound?
O
A. Bronsted-Lowry Acid
B. Bronsted-Lowry Base
C. Lewis Acid
D. Lewis Base
81. Identify the Lewis acid in the following reaction.
Br2
Br
Br
A.
B.
C.
D.
+
82. Identify the Lewis acid in the following reaction.
Cl2
FeCl3
A. B.
FeCl4Cl
C. D.
+
83. Identify the Lewis acid in the following reaction.
NO2
NO2
H
A.
B.
C.
84. Identify the Lewis base in the following reaction.
O
I
OI
A.
B.
C.
D.
+
85. Identify the Lewis base in the following reaction.
Br2
Br
Br
A.
B.
C.
D.
+
86. Identify the Lewis base in the following reaction.
Cl2
FeCl3
A. B.
FeCl4Cl
C. D.
+
87. Identify the Lewis base in the following reaction.
NO2
NO2
H
A.
B.
C.
88. In the following reaction, identify the Lewis acid and the Lewis base.
AlCl3
AlCl4
Cl
+
89. For the following reaction, draw the mechanism.
Cl2
FeCl3
FeCl4Cl
+
90. For the following reaction, draw the mechanism.
91. For the following reaction, draw the mechanism.
Et3N
Br
Et3N Br