CHEM 120 – Quiz 6 – 23 October 2013

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Student Number:
Marks: 4
CHEM 120 – Quiz 6 – 23 October 2013
For each of the following questions, circle the correct answer.
1
2
3
Which of the following is not considered to be a nucleophile?
A
NH3
B
H3O+
C
CN¯
D
NH2CH3
Which of the following has the greatest solubility in CH3CH2CH2CH3?
A
(CH3)3CH
B
CH3OH
C
CH3NH2
D
CH3OCH3
Which of the following are the elimination products of the reaction shown below?
H2SO4/H2O
CH3CH2OH

4
A
CH3CH3 + CO2
B
CH2=CHOH + H2O
C
CH2=CH2 + H2O
D
HOCH2CH2OH + CO2
Which of the following will undergo an addition reaction with bromine?
A
CH3-CH2-OH
B
CH3-CH2-ONa
C
CH2=CH-CH3
D
CH3-CH2-COOH
Name:
Student Number:
Marks: 4
CHEM 120 – Quiz 6 – 25 October 2013
For each of the following questions, circle the correct answer.
1
Consider the bond dissociation energies listed below in kJ/mol.
CH3-Br = 293
CH3CH2-Br = 285
(CH3)2CH-Br = 285
(CH3)3C-Br = 272
The data above show that the C-Br bond is weakest when bromine is bound to a ______.
2
3
A
quaternary carbon
B
primary carbon
C
3o carbon
D
2o carbon
Which of the following is not considered to be an electrophile?
A
NH4+
B
CH3CH2+
C
I¯
D
CH4
Which of the following are the substitution products of the reaction shown below?
CH3CH2Cl
4
A
CH3CH2ClH + O-
B
CH2=CHOH + H2O
C
HOCH2CH2Cl
D
CH3CH2OH + Cl-
OH-
What type of reaction is shown below?
A
Hydrolysis
B
Esterification
C
Hydration
D
Hydrogenation
OH