Question 1

Which of the following is true of the IUPAC nomenclature of aldehydes?

Accepted Answer

A)   The parent name is based on the longest carbon chain that contains the carbonyl carbon.
B)   The oxygen atom is always bonded to the first carbon.
C)   The parent name is based on the longest carbon chain that contains the carbonyl carbon and the oxygen atom is always bonded to the first carbon.
D)   None of theseE) All of the above
F) B) and D)

Question 2

Which of the following compounds has the highest boiling point?

Accepted Answer

A)   acetone
B)   butane
C)   ethyl methyl ether
D)   2-propanolE) None of the above
F) B) and C)

Question 3

Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. 2 in the presence of a palladium catalyst? A)  propanal B)  1-propanol C)  2-propanol D)  propanoic acid E)  propane" class="answers-bank-image d-inline" rel="preload" > What will the product be if the given compound reacts with H2 in the presence of a palladium catalyst?

Accepted Answer

A)   propanal
B)   1-propanol
C)   2-propanol
D)   propanoic acid
E)   propaneF) A) and B)
G) C) and D)

Question 4

How many enol tautomers are possible for the given ketone?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) C) and D)
F) A) and B)

Question 5

Which of the following compounds contain an acetal functional group?

Accepted Answer

A)   A and B only
B)   B and C only
C)   A and C only
D)   A, B, and CE) C) and D)
F) B) and C)

Question 6

What is the IUPAC name of propyl butyl ketone?

Accepted Answer

A)   4-octanone
B)   2-methyl-4-heptanone
C)   3-methyl-4-heptanone
D)   2,2-dimethyl-3-hexanoneE) A) and D)
F) C) and D)

Question 7

What is the IUPAC name of the following compound?

Accepted Answer

A)   3-methyl-3-propylbutanal
B)   3-methyl-3-propyl-1-butanal
C)   3,3-dimethylhexanal
D)   3,3-methyl-1-hexanalE) B) and C)
F) None of the above

Question 8

Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. 3 in the presence of NH3? A)  propanal B)  1-propanol C)  propanoate ion D)  none of these" class="answers-bank-image d-inline" rel="preload" > What will the product be if the given compound reacts with AgNO3 in the presence of NH3?

Accepted Answer

A)   propanal
B)   1-propanol
C)   propanoate ion
D)   none of theseE) B) and D)
F) None of the above

Question 9

Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. How is the given reaction classified?

Accepted Answer

A)   addition
B)   acetal formation
C)   tautomerization
D)   hemiacetal formation
E)   none of theseF) A) and E)
G) A) and D)

Question 10

Which functional group is found in aldehydes?

Accepted Answer

A)   R-CHO
B)   R-CH2OH
C)   R-COOH
D)   R-COR'E) None of the above
F) A) and B)

Question 11

What is the common name of 3-methyl-4-heptanone?

Accepted Answer

A)   propyl butyl ketone
B)   propyl sec-butyl ketone
C)   propyl tert-butyl ketone
D)   propyl isobutyl ketoneE) None of the above
F) All of the above

Question 12

Which of the following has intermolecular hydrogen bonds?

Accepted Answer

A)   a solution of acetone in water
B)   a solution of formaldehyde in water
C)   a solution of acetone and formaldehyde in water
D)   all of theseE) None of the above
F) All of the above

Question 13

Which of the following compounds can undergo keto-enol tautomerism?

Accepted Answer

A)   2-methyl-3-pentanone
B)   3,3-dimethyl-2-butanone
C)   both 2-methyl-3-pentanone and 3,3-dimethyl-2-butanone
D)   none of theseE) A) and D)
F) A) and C)

Question 14

Which of the following pairs of reactants produces a hemiacetal?

Accepted Answer

A)   aldehyde and alcohol
B)   aldehyde and amine
C)   aldehyde and carboxylic acid
D)   aldehyde and waterE) C) and D)
F) None of the above

Question 15

Which of the following compounds contain a hemiacetal functional group?

Accepted Answer

A)   Α and B
B)   Β and C
C)   only B
D)   only CE) A) and B)
F) A) and C)

Question 16

What is the correct order of boiling points of the following compounds?  B > C B)  C > B > A C)  B > A > C D)  A > C > B" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   A > B > C
B)   C > B > A
C)   B > A > C
D)   A > C > BE) All of the above
F) A) and B)

Question 17

What is the minimum number of oxygen atoms present in a hemiacetal?

Accepted Answer

A)   0
B)   1
C)   2
D)   3E) B) and D)
F) All of the above

Question 18

In the IUPAC name 2-methyl-2-propenal, what do the numbers represent?

Accepted Answer

A)   the position of the methyl substituent and the position of the carbonyl group
B)   the position of the methyl substituent and the position of the double bond
C)   the position of the carbonyl group and the position of the double bond
D)   the position of the carbonyl group and the position of the triple bondE) B) and D)
F) A) and D)

Question 19

Which of the following is true of tautomers?

Accepted Answer

A)   They are constitutional isomers that differ in the location of a hydrogen atom and a double bond.
B)   They are constitutional isomers that differ in the location of an oxygen atom and a double bond.
C)   They are constitutional isomers that differ in the location of a hydroxyl group and a double bond.
D)   They are constitutional isomers that differ in the location of a carbon atom and a double bond.E) B) and C)
F) All of the above

Question 20

Which of the following compounds is obtained from the reaction of pentanal with H2 in the presence of a transition metal catalyst?

Accepted Answer

A)   pentene
B)   1-pentanol
C)   2-pentanol
D)   pentanoic acidE) A) and D)
F) A) and C)

Exam 16: Aldehydes and Ketones

Which of the following compounds contain a hemiacetal functional group?

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What is the IUPAC name of the following compound?

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In the IUPAC name 2-methyl-2-propenal, what do the numbers represent?

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How many enol tautomers are possible for the given ketone?

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Which of the following compounds contain an acetal functional group?

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What is the correct order of boiling points of the following compounds?

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Which of the following compounds is obtained from the reaction of pentanal with H2 in the presence of a transition metal catalyst?

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Which of the following pairs of reactants produces a hemiacetal?

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Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. What will the product be if the given compound reacts with AgNO3 in the presence of NH3?

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What is the IUPAC name of propyl butyl ketone?

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Which of the following compounds can undergo keto-enol tautomerism?

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What is the common name of 3-methyl-4-heptanone?

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Which of the following is true of tautomers?

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Which of the following has intermolecular hydrogen bonds?

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Which of the following is true of the IUPAC nomenclature of aldehydes?

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Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. How is the given reaction classified?

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Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. What will the product be if the given compound reacts with H2 in the presence of a palladium catalyst?

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Which functional group is found in aldehydes?

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Which of the following compounds has the highest boiling point?

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What is the minimum number of oxygen atoms present in a hemiacetal?

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Which of the following compounds is obtained from the reaction of pentanal with H₂ in the presence of a transition metal catalyst?

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Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. What will the product be if the given compound reacts with AgNO₃ in the presence of NH₃?

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Answer the following question based on the given ball-and-stick model. Atoms other than carbon and hydrogen are labeled with the symbol of the element. What will the product be if the given compound reacts with H₂ in the presence of a palladium catalyst?

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