Question 1

Which of the following is an aromatic molecule?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  all of the aboveF) A) and B)
G) B) and E)

Question 2

What determines the chemical and physical properties of hydrocarbons?

Accepted Answer

A)  the way the atoms are connected together
B)  the number of carbon and hydrogens
C)  the elements it is composed of
D)  the number of oxygen
E)  both A and BF) All of the above
G) C) and D)

Question 3

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

Accepted Answer

A)  C4H10
B)  C8H18
C)  C10H22
D)  C20H42
E)  C40H82F) C) and E)
G) A) and B)

Question 4

Formaldehyde is a toxic preservative with the following chemical formula: H2C 2C   O Which of the following compounds would best serve as a starting point for its production? A) H3COH B) H2C   CH2 C) H2O D) CH3CH2OH E) none of the above" class="answers-bank-image d-inline" rel="preload" > O Which of the following compounds would best serve as a starting point for its production?

Accepted Answer

A)  H3COH
B)  H2C 2C   O Which of the following compounds would best serve as a starting point for its production? 
A)  H3COH 
B)  H2C   CH2 
C)  H2O 
D)  CH3CH2OH 
E)  none of the above" class="answers-bank-image d-inline" rel="preload" > CH2
C)  H2O
D)  CH3CH2OH
E)  none of the aboveF) None of the above
G) C) and D)

Question 5

Which of the above molecules would be acidic?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  a or dF) A) and C)
G) A) and B)

Question 6

An amine can often form R-NH3+ (where R- can stand for anything) by reacting with water. What is happening?

Accepted Answer

A)  The amine is accepting a proton from the water molecule, forming OH-.
B)  Amines are basic.
C)  Amines are acidic.
D)  Amines can form H3O+ in water by donating a proton from the polar portion of the molecule.
E)  none of the aboveF) B) and D)
G) A) and B)

Question 7

Hydrocarbons release a lot of energy when ignited. Where does this energy ultimately come from?

Accepted Answer

A)  the breaking of chemical bonds
B)  the formation of chemical bonds
C)  photosynthesis
D)  nuclear fusion in the sunE) C) and D)
F) A) and D)

Question 8

One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them. What would be some of the advantages and disadvantages of this practice?

Accepted Answer

A)  disadvantage: toxic air pollutants; advantage: reduced landfill volume
B)  disadvantage: loss of vital petroleum-based resource; advantage: generation of electricity
C)  disadvantage: discourages recycling; advantage: provides new jobs
D)  all of the aboveE) A) and B)
F) A) and C)

Question 9

How many structural isomers are shown here?

Accepted Answer

A)  one
B)  two
C)  three
D)  fourE) A) and B)
F) A) and C)

Question 10

Which of the above sections of this molecule would be considered a saturated portion of the molecule?

Accepted Answer

A)  a
B)  b
C)  c
D)  a and b
E)  all of the aboveF) A) and B)
G) C) and E)

Question 11

Which of the above molecules is a ketone?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  none of the aboveF) A) and D)
G) A) and C)

Question 12

If an alcoholic beverage is 20 percent alcohol by volume, what is its proof?

Accepted Answer

A)  40 proof
B)  20 proof
C)  10 proof
D)  Proof is a measure of flammability.
E)  Proof is a measure of the age of a fermented beverage.F) C) and D)
G) All of the above

Question 13

What is the chemical formula for the following structure? 6H10 B) C6H9 C) C7H12 D) C7H11" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  C6H10
B)  C6H9
C)  C7H12
D)  C7H11E) A) and B)
F) A) and C)

Question 14

Which of the above sections of this molecule would be considered an unsaturated portion of the molecule?

Accepted Answer

A)  a
B)  b
C)  c
D)  a and b
E)  all of the aboveF) C) and E)
G) A) and E)

Question 15

An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At an acidic pH, which structure is most likely:

Accepted Answer

A)  Structure (a) 
B)  Structure (b) 
C)  Structure (c) 
D)  All three structures are equally possible.E) A) and B)
F) A) and C)

Question 16

If you saw the label "phenylephrine HCl" on a decongestant, would you worry that consuming it would expose you to the strong acid hydrochloric acid, HCl?

Accepted Answer

A)  No, because it is balanced by the phenylephrine.
B)  No, because the drug is in the solid phase.
C)  No, because this is a salt made using hydrogen chloride, but it is in no way hydrogen chloride.
D)  Yes, because of the hydrochloric acid it contains.E) None of the above
F) A) and B)

Question 17

What is the percent volume of water in 80-proof vodka?

Accepted Answer

A)  80 percent
B)  60 percent
C)  40 percent
D)  20 percentE) A) and B)
F) B) and D)

Question 18

Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

Accepted Answer

A)  1 = ether, 3 = ester, 6 = aldehyde, 9 = alcohol
B)  2 = amide, 4 = ester, 7 = amine, 8 = ether
C)  1 = ester, 5 = alcohol, 8 = ether, 9 = ketone
D)  2 = amide, 6 = aldehyde, 7 = amine, 8 = etherE) A) and D)
F) C) and D)

Exam 19: Organic Compounds

Which of the above sections of this molecule would be considered a saturated portion of the molecule?

Correct Answer
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Which of the above molecules would be acidic?

Correct Answer
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Hydrocarbons release a lot of energy when ignited. Where does this energy ultimately come from?

Correct Answer
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An amine can often form R-NH₃⁺ (where R- can stand for anything) by reacting with water. What is happening?

Correct Answer
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Which of the above sections of this molecule would be considered an unsaturated portion of the molecule?

Correct Answer
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Which of the above molecules is a ketone?

Correct Answer
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Formaldehyde is a toxic preservative with the following chemical formula: H₂C O Which of the following compounds would best serve as a starting point for its production?

Correct Answer
verified

What determines the chemical and physical properties of hydrocarbons?

Correct Answer
verified

An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At an acidic pH, which structure is most likely:

Correct Answer
verified

What is the percent volume of water in 80-proof vodka?

Correct Answer
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If an alcoholic beverage is 20 percent alcohol by volume, what is its proof?

Correct Answer
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How many structural isomers are shown here?

Correct Answer
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Which of the following is an aromatic molecule?

Correct Answer
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Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

Correct Answer
verified

One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them. What would be some of the advantages and disadvantages of this practice?

Correct Answer
verified

If you saw the label "phenylephrine HCl" on a decongestant, would you worry that consuming it would expose you to the strong acid hydrochloric acid, HCl?

Correct Answer
verified

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

Correct Answer
verified

What is the chemical formula for the following structure?

Correct Answer
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Exam 19: Organic Compounds

Which of the above sections of this molecule would be considered a saturated portion of the molecule?

Correct AnswerverifiedShow Answer

Which of the above molecules would be acidic?

Correct AnswerverifiedShow Answer

Hydrocarbons release a lot of energy when ignited. Where does this energy ultimately come from?

Correct AnswerverifiedShow Answer

An amine can often form R-NH3+ (where R- can stand for anything) by reacting with water. What is happening?

Correct AnswerverifiedShow Answer

Which of the above sections of this molecule would be considered an unsaturated portion of the molecule?

Correct AnswerverifiedShow Answer

Which of the above molecules is a ketone?

Correct AnswerverifiedShow Answer

Formaldehyde is a toxic preservative with the following chemical formula: H2C O Which of the following compounds would best serve as a starting point for its production?

Correct AnswerverifiedShow Answer

What determines the chemical and physical properties of hydrocarbons?

Correct AnswerverifiedShow Answer

An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At an acidic pH, which structure is most likely:

Correct AnswerverifiedShow Answer

What is the percent volume of water in 80-proof vodka?

Correct AnswerverifiedShow Answer

If an alcoholic beverage is 20 percent alcohol by volume, what is its proof?

Correct AnswerverifiedShow Answer

How many structural isomers are shown here?

Correct AnswerverifiedShow Answer

Which of the following is an aromatic molecule?

Correct AnswerverifiedShow Answer

Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

Correct AnswerverifiedShow Answer

One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them. What would be some of the advantages and disadvantages of this practice?

Correct AnswerverifiedShow Answer

If you saw the label "phenylephrine HCl" on a decongestant, would you worry that consuming it would expose you to the strong acid hydrochloric acid, HCl?

Correct AnswerverifiedShow Answer

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

Correct AnswerverifiedShow Answer

What is the chemical formula for the following structure?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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An amine can often form R-NH₃⁺ (where R- can stand for anything) by reacting with water. What is happening?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Formaldehyde is a toxic preservative with the following chemical formula: H₂C O Which of the following compounds would best serve as a starting point for its production?

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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