Take Test: Assignment 3 – Spring 2019 CH...
Take Test: Assignment 3 – Spring 2019 CHEM133-51:
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Take Test: Assignment 3 – Spring 2019 CHEM133-51:
Take Test: Assignment 3 – Spring 2019 CHEM133-51:
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Test:
Assignment
3
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Descriptio
n
Instructio
ns
This is a multiple-choice assignment that covers chapters 14 and 15.
You may have two attempts to finish this assignment, but each attempt has to be
finished at one sitting.
Multiple Attempts This test allows 2 attempts. This is attempt number 1.
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QU ES TI ON 1
What is the IUPAC name for this compound?
a.
2,5-dimethylcyclohexanone
b.
methylcyclohexanone
c.
1,4-dimethyl-2-cyclohexanone
d.
4-dimethyl-3-cyclohexanone
QU ES TI ON 2
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d. ionic
QU ES TI ON 3
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How many chiral centers does the following compound have?
a.
Six
b.
Five
c.
Four
d.
Three
What is the name of this compound?
a.
1-chloro-3-isopropylphenol
b.
1-chloro-3-isopropylbenzaldehyde
c.
2-chloro-6-isopropylbenzaldehyde
d.
2-chloro-6-isopropylphenol
QU ES TI ON 4
The increased boiling point of alcohols compared to ketones and aldehydes of similar
mass is due to
a. dipole-dipole interactions
b.
hydrogen bonding
c.
bent structure
QU ES TI ON 6
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Which of the following is the correct Haworth cyclic hemiacetal for D-mannose?
a.
A
b.
B
c.
C
d.
D
e.
E
Give the corresponding alcohols and ketone used in the synthesis of following acetal
QU ES TI ON 7
QU ES TI ON 8
QU ES TI ON 9
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Which of the following ketones is the most soluble in water?
a. 2-butanone
b. 2-propanone
c. 2-pentanone
d. 2-hexanone
A monosaccharide that consists of 5 carbon atoms, one of which is in a
ketone group, is classified as a(n)
a.
aldopentose.
b.
ketotetrose.
c.
ketopentose.
d.
aldotetrose.
Galactose has the structure shown below. Which anomer is shown?
a.
the α anomer
b.
the D anomer
c.
the L anomer
a.
α
-
QU ES TI ON 11
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Which of these compounds is the hemiacetal that forms when ethanol
reacts with propanal?
a.
b.
c.
d.
The disaccharide below contains a(n)
-glycosidic linkage.
QU ES TI ON 12
QU ES TI ON 13
QU ES TI ON 14
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The hydrogenation of 2-methylpropanal gives the product
a.
2-methyl-1-propanol.
b.
2-methylpropanoic acid.
c.
2-methyl-3-propanol.
d.
2-methyl-2-propanol.
In the figure below, the monosaccharide unit on the left is a(n)
a.
aldohexose.
b.
ketopentose.
c.
ketohexose.
d.
aldopentose.
QU ES TI ON 15
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Which Fischer projection is the mirror image of the structure given below?
a.
b.
c.
d.
The addion of hydrogen to an organic compound or the decrease in carbon-oxygen
bond is called
a.
Reduction
b.
Oxidation
c.
Hydration
d.
Dehydration
QU ES TI ON
16
3
H
6
O have?
QU ES TI ON 17
QU ES TI ON 18
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What is the name of this compound?
a.
4-chloro-2,3-dimethyloctanone
b.
3-chloro-2-isopropyl
-
4
-
heptanone
c.
5-chloro-6,7-dimethyl-4-octanone
d.
5-chloro-6-isopropyl-4-heptanone
Which of the following pairs of compounds are isomers?
a.
A
b.
B
a.
2-methylbutanone
b.
3-methyl-2-butanone
c.
2-methyl-3-butanone
d.
3-methylbutanone
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What is the name of this
compound?
a.
4-methyl-3-oxopentanal
b.
4-methyl-3-hydroxy-
pentanal
c. 4-methyl-1-
hydroxypentanone
QU ES TI ON 20
What is the IUPAC name of the following
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