Functional Groups — Unit test Answers
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1
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Which reactions are the reverse of one another?
A
condensation and additionB
addition and eliminationC
elimination and condensationD
substitution and addition2
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What is the name of the organic compound below?
A
pentanoic acidB
butanoneC
propanoic acidD
isopropyl alcohol3
What is the name of this alkane?
A
1-methyl,3-ethylnonaneB
1-methyl,5-ethylisohexaneC
1-ethyl,3-methylcyclohexaneD
1-ethyl,5-methylcyclohexane4
Consider the hydrocarbon below.Which of these is a trans- isomer of the above hydrocarbon?
A
A skeletal model with a 6 carbon chain, with a double bond between the second and third carbon.
B
A skeletal model with line segments that slant up, run flat in a double bond, slant down, run flat, and slant down again.
C
A skeletal model of a 5 carbon chain with a double bond between the first and second carbons.
D
A skeletal model with line segments that slant up, fun flat in a double bond, slant up, and run flat.
5
How do aromatic hydrocarbons differ from alkenes?
A
Aromatic hydrocarbons are unsaturated, and alkenes are saturated.B
Alkenes are saturated, and aromatic hydrocarbons are unsaturated.C
Aromatic hydrocarbons are flat, geometric molecules, and alkenes are not.D
Alkenes are flat, planar molecules, and aromatic hydrocarbons are not.6
What is a characteristic of branched chained alkanes?
A
They have one or more rings of carbon atoms.B
They have carbon atoms that are double-bonded to other carbon atoms.C
They have more than two carbons that are bonded to only one other carbon.D
They have carbons bonded in a single row from one end of the molecule to the other end of the molecule.8
Which of the following best states the difference between an alcohol and an ether?
A
In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.B
In an ether, a carbon atom is double bonded to an oxygen atom; in an alcohol, a carbon atom is triple bonded to another carbon atom.C
In an alcohol, a carbon atom is single bonded to a hydroxide group (OH–); in an ether, an oxygen atom is single bonded to two carbon atoms.D
In an ether, a carbon atom is single bonded to a hydroxide group (OH–); in an alcohol, an oxygen atom is single bonded to two carbon atoms.9
Which molecule is an aromatic hydrocarbon?
A
Two central carbons are double bonded to each other; the pair is single bonded to C H 3 above left and right, and to H below left and right.
B
A skeletal model has line segments that slant up, down, up, and up again in a triple bond.
C
Two hexagon rings with carbons at each corner have alternating double bonds and share one side. H is single bonded to all the C's except the ones on the shared side.
D
Two carbons are triple bonded to each other; each has a single bond to the outside.
10
How are large polymers formed?
A
by repetitive combinations of simple subunitsB
by the addition of halogens to a small moleculeC
by combining a few different and larger moleculesD
by combining many different and smaller molecules11
Which functional group is found in methanol?
A
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B
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C
mc008-3.jpg
D
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12
Saturated hydrocarbons are major components of
A
vegetable oil.B
alcohol.C
gasoline.D
salt crystals.13
Which term describes this reaction?
A
additionB
condensationC
eliminationD
substitution14
Which of the following is a characteristic of a typical carbon atom?
A
Carbon has a high melting point.B
Carbon dissolves easily in water.C
Carbon can form single, double, and triple bonds.D
Carbon is one of the least common elements in the universe.15
Which headings should be used to complete this table?
A
ether (left column); ester (right column)B
ketone (left column); aldehyde (right column)C
alkyl halide (left column); amine (right column)D
alcohol (left column); carboxylic acid (right column)Did you find these answers helpful?
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