Question 1

Which of the following statements regarding polymers is NOT correct?

Accepted Answer

A)  Polymers often do not have a sharp melting point.
B)  Polymers cannot contain double bonds because they are too reactive.
C)  Branched-chain polymers tend to be more flexible than straight-chain polymers.
D)  Straight-chain polymers tend to have higher densities than branched-chain polymers.
E)  Heteroatoms in polymers can drastically change the properties of a hydrocarbon polymer.F) A) and D)
G) B) and D)

Question 2

Of an unknown compound containing only carbon and hydrogen, 0.123 moles was found to stoichiometrically react with 0.246 moles of hydrogen gas.Based on these data, we know that the unknown compound must be

Accepted Answer

A)  an alkane.
B)  an alkene.
C)  an alkyne.
D)  either an alkane or an alkene.
E)  either an alkene or an alkyne.F) All of the above
G) A) and C)

Question 3

Which of the following class of compounds is NOT generally used in gasoline?

Accepted Answer

A)  alcohols
B)  ethers
C)  carboxylic acids
D)  alkanes
E)  thiolsF) C) and D)
G) D) and E)

Question 4

Compare and contrast structural vs.geometric isomers.

Accepted Answer

The molecules that compose structural an...

Question 5

What is NOT a correct formula for the compound illustrated below? 3CH2) 5CH3 B) CH3) 2CHCH2CHCH3) 2 C) CH3CHCH3) CH2CHCH3) CH3 D) C7H16 E)   " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  CH3CH2) 5CH3
B)  CH3) 2CHCH2CHCH3) 2
C)  CH3CHCH3) CH2CHCH3) CH3
D)  C7H16
E)   3CH2) 5CH3 
B)  CH3) 2CHCH2CHCH3) 2 
C)  CH3CHCH3) CH2CHCH3) CH3 
D)  C7H16 
E)    " class="answers-bank-image d-inline" rel="preload" >F) C) and E)
G) B) and D)

Question 6

Draw all the isomers for butanol.Include constitutional, geometric, and optical isomers.

Accepted Answer

The answer of Draw all the isomers for butanol.Include constitutional,...

Question 7

Which of the noted functional groups are found in the following molecule?

Accepted Answer

A)  only an alcohol
B)  only a carboxylic acid
C)  both an alcohol and a carboxylic acid
D)  only an ester
E)  only an etherF) None of the above
G) A) and C)

Question 8

For each of the numbered bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Accepted Answer

A)  I-cis; II-trans; III-cis
B)  I-trans; II-cis; III-trans
C)  I-neither; II-trans; III-cis
D)  I-neither; II-cis; III-trans
E)  I-neither; II-cis; II-cisF) A) and B)
G) None of the above

Question 9

What is another name for methylbenzene?

Accepted Answer

A)  toluene
B)  xylene
C)  naphthalene
D)  benzoyl methane
E)  1-methyl-2,4,6-cyclohexeneF) C) and E)
G) A) and E)

Question 10

Draw and name all of the isomers for C4H8.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> 1-butene; 2-butene ...

Question 11

Rank these molecules with respect to the decreasing oxidation number of the carbon atom: formic acid( HCOOH) , methane (CH4) , methanol (CH3OH) , carbon dioxide (CO2) , graphite( C) .

Accepted Answer

A)  formic acid; carbon dioxide; methanol; methane; graphite
B)  methanol; methane; graphite; carbon dioxide; formic acid
C)  methane; methanol; graphite; formic acid; carbon dioxide
D)  carbon dioxide; formic acid; graphite; methanol; methane
E)  The oxidation number of carbon is the same in all of these compounds.F) B) and C)
G) All of the above

Question 12

Which of the following statements regarding methanol and ethanol is NOT correct?

Accepted Answer

A)  The industrial synthesis of methanol involves the oxidation of CO by H2.
B)  Ethanol is generally produced via the fermentation of sugar from fruit or vegetable sources.
C)  The complete combustion of both methanol and ethanol forms CO2 and H2O.
D)  Ethanol has a greater fuel density than methanol.
E)  The complete combustion of methane and ethane release more energy per gram than methanol and ethanol, respectively.F) A) and B)
G) None of the above

Question 13

Which functional group is found in the following molecule?

Accepted Answer

A)  aldehyde
B)  carboxylic acid
C)  ester
D)  ether
E)  ketoneF) A) and B)
G) All of the above

Question 14

The C - O - H bonding arrangement is called the ______functional group.

Accepted Answer

A)  alcohol
B)  ester
C)  amine
D)  ether
E)  carbonylF) A) and C)
G) C) and E)

Question 15

Cyclic alkanes differ from normal alkanes in

Accepted Answer

A)  the ratio of hydrogen to carbon.
B)  their utility as a combustible fuel.
C)  the orbital hybridization on the carbon atoms.
D)  the number of hydrogens bonded to nonterminal carbon atoms.
E)  the number of double bonds.F) B) and D)
G) A) and B)

Question 16

The molecular structure of caffeine is shown below.The nitrogen atoms could be classified as _____amines.

Accepted Answer

A)  primary
B)  secondary
C)  tertiary
D)  auxiliary
E)  aromaticF) A) and D)
G) All of the above

Question 17

Which of the following is NOT a difference between cyclohexane and benzene?

Accepted Answer

A)  Cyclohexane is puckered, but benzene is planar.
B)  Cyclohexane carbons are sp3 hybridized, but benzene carbons are sp2 hybridized.
C)  Cyclohexane is not aromatic, but benzene is.
D)  Cyclohexane has 12 hydrogen atoms in its structure, but benzene has 6 hydrogen atoms in its structure.
E)  Cyclohexane is a combustible hydrocarbon, but benzene is not combustible due to aromaticity.F) C) and E)
G) C) and D)

Question 18

Most simple ionic compounds that are soluble in water are not soluble in organic solvents.However, replacing a common cation such as Na+ with an alkyl ammonium ion with four alkyl groups greatly enhances solubility of the ionic compound in many organic solvents.Which formula represents the tetrabutylammonium ion that is found in tetrabutylammonium bromide?

Accepted Answer

A)  [CH3) 4N]+
B)  [CH3CH2) 4N]+
C)  [CH3CH2) 2) 4N]+
D)  [CH3CH2) 3) 4N]+
E)  [CCH3) 3NH2]+F) A) and D)
G) B) and C)

Question 19

The basic building block of a polymer is called

Accepted Answer

A)  a functional group.
B)  a monomer.
C)  a monotone.
D)  an oligomer.
E)  an addition.F) A) and E)
G) All of the above

Question 20

Compare and contrast geometrical vs.optical isomers.

Accepted Answer

The molecules that compose geometrical a...

Exam 19: Organic Chemistry Fuels, Pharmaceuticals, and Modern Materials

Of an unknown compound containing only carbon and hydrogen, 0.123 moles was found to stoichiometrically react with 0.246 moles of hydrogen gas.Based on these data, we know that the unknown compound must be

Correct Answer
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Which of the following statements regarding polymers is NOT correct?

Correct Answer
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Cyclic alkanes differ from normal alkanes in

Correct Answer
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Compare and contrast geometrical vs.optical isomers.

Correct Answer
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The molecules that compose geometrical a...
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For each of the numbered bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Correct Answer
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Draw and name all of the isomers for C₄H₈.

Correct Answer
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1-butene; 2-butene ...
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Compare and contrast structural vs.geometric isomers.

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The molecules that compose structural an...
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Which of the following statements regarding methanol and ethanol is NOT correct?

Correct Answer
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Draw all the isomers for butanol.Include constitutional, geometric, and optical isomers.

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Which of the following is NOT a difference between cyclohexane and benzene?

Correct Answer
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What is NOT a correct formula for the compound illustrated below?

Correct Answer
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Which functional group is found in the following molecule?

Correct Answer
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The molecular structure of caffeine is shown below.The nitrogen atoms could be classified as _____amines.

Correct Answer
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Which of the noted functional groups are found in the following molecule?

Correct Answer
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The C - O - H bonding arrangement is called the ______functional group.

Correct Answer
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Which of the following class of compounds is NOT generally used in gasoline?

Correct Answer
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What is another name for methylbenzene?

Correct Answer
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Rank these molecules with respect to the decreasing oxidation number of the carbon atom: formic acid( HCOOH) , methane (CH₄) , methanol (CH₃OH) , carbon dioxide (CO₂) , graphite( C) .

Correct Answer
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The basic building block of a polymer is called

Correct Answer
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Exam 19: Organic Chemistry Fuels, Pharmaceuticals, and Modern Materials

Of an unknown compound containing only carbon and hydrogen, 0.123 moles was found to stoichiometrically react with 0.246 moles of hydrogen gas.Based on these data, we know that the unknown compound must be

Correct AnswerverifiedShow Answer

Which of the following statements regarding polymers is NOT correct?

Correct AnswerverifiedShow Answer

Cyclic alkanes differ from normal alkanes in

Correct AnswerverifiedShow Answer

Compare and contrast geometrical vs.optical isomers.

Correct AnswerverifiedThe molecules that compose geometrical a...View AnswerShow Answer

For each of the numbered bonds in the figure below, identify whether the bond is cis, trans, or neither cis nor trans.

Correct AnswerverifiedShow Answer

Draw and name all of the isomers for C4H8.

Correct Answerverified 1-butene; 2-butene ...View AnswerShow Answer

Compare and contrast structural vs.geometric isomers.

Correct AnswerverifiedThe molecules that compose structural an...View AnswerShow Answer

Which of the following statements regarding methanol and ethanol is NOT correct?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Draw all the isomers for butanol.Include constitutional, geometric, and optical isomers.

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Which of the following is NOT a difference between cyclohexane and benzene?

Correct AnswerverifiedShow Answer

What is NOT a correct formula for the compound illustrated below?

Correct AnswerverifiedShow Answer

Which functional group is found in the following molecule?

Correct AnswerverifiedShow Answer

The molecular structure of caffeine is shown below.The nitrogen atoms could be classified as _____amines.

Correct AnswerverifiedShow Answer

Which of the noted functional groups are found in the following molecule?

Correct AnswerverifiedShow Answer

The C - O - H bonding arrangement is called the ______functional group.

Correct AnswerverifiedShow Answer

Which of the following class of compounds is NOT generally used in gasoline?

Correct AnswerverifiedShow Answer

What is another name for methylbenzene?

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Rank these molecules with respect to the decreasing oxidation number of the carbon atom: formic acid( HCOOH) , methane (CH4) , methanol (CH3OH) , carbon dioxide (CO2) , graphite( C) .

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The basic building block of a polymer is called

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The molecules that compose geometrical a...
View Answer

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Draw and name all of the isomers for C₄H₈.

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1-butene; 2-butene ...
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The molecules that compose structural an...
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Rank these molecules with respect to the decreasing oxidation number of the carbon atom: formic acid( HCOOH) , methane (CH₄) , methanol (CH₃OH) , carbon dioxide (CO₂) , graphite( C) .

Correct Answer
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Correct Answer
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