Question 1

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-hexanone 
A)  4-octanone 
B)  2-methyl-4-heptanone 
C)  3-methyl-4-heptanone 
D)  2,2-dimethyl-3-hexanone

Question 2

Which functional group is found in aldehydes?

Accepted Answer

A)  R-CHO 
B)  R-CH2OH 
C)  R-COOH 
D)  R-COR' 
A)  R-CHO 
B)  R-CH2OH 
C)  R-COOH 
D)  R-COR'

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. How is the given reaction classified?

Accepted Answer

A)  addition 
B)  acetal formation 
C)  tautomerization 
D)  hemiacetal formation 
E)  none of these 
A)  addition 
B)  acetal formation 
C)  tautomerization 
D)  hemiacetal formation 
E)  none of these

Question 4

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 water 
A)  aldehyde and alcohol 
B)  aldehyde and amine 
C)  aldehyde and carboxylic acid 
D)  aldehyde and water

Question 5

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 these 
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 these

Question 6

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 these 
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 these

Question 7

Which of the following compounds has the highest boiling point?

Accepted Answer

A)  acetone 
B)  butane 
C)  ethyl methyl ether 
D)  2-propanol 
A)  acetone 
B)  butane 
C)  ethyl methyl ether 
D)  2-propanol

Question 8

How many enol tautomers are possible for the given ketone?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 9

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

Question 10

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-hexanal 
A)  3-methyl-3-propylbutanal 
B)  3-methyl-3-propyl-1-butanal 
C)  3,3-dimethylhexanal 
D)  3,3-methyl-1-hexanal

Question 11

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 bond 
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 bond

Question 12

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

Accepted Answer

A)  A > B > C 
B)  C > B > A 
C)  B > A > C 
D)  A > C > B 
A)  A > B > C 
B)  C > B > A 
C)  B > A > C 
D)  A > C > B

Question 13

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 ketone 
A)  propyl butyl ketone 
B)  propyl sec-butyl ketone 
C)  propyl tert-butyl ketone 
D)  propyl isobutyl ketone

Question 14

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?

Accepted Answer

A)  propanal 
B)  1-propanol 
C)  2-propanol 
D)  propanoic acid 
E)  propane 
A)  propanal 
B)  1-propanol 
C)  2-propanol 
D)  propanoic acid 
E)  propane

Question 15

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?

Accepted Answer

A)  propanal 
B)  1-propanol 
C)  propanoate ion 
D)  none of these 
A)  propanal 
B)  1-propanol 
C)  propanoate ion 
D)  none of these

Question 16

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 acid 
A)  pentene 
B)  1-pentanol 
C)  2-pentanol 
D)  pentanoic acid

Question 17

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

Question 18

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

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
A)  0 
B)  1 
C)  2 
D)  3

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. 
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.

Question 20

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 these 
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 these

Exam 16: Aldehydes and Ketones

What is the IUPAC name of propyl butyl ketone?

Which functional group is found in aldehydes?

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?

Which of the following pairs of reactants produces a hemiacetal?

Which of the following has intermolecular hydrogen bonds?

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

Which of the following compounds has the highest boiling point?

How many enol tautomers are possible for the given ketone?

Which of the following compounds contain a hemiacetal functional group?

What is the IUPAC name of the following compound?

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

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

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

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?

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?

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

Which of the following compounds contain an acetal functional group?

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

Which of the following is true of tautomers?

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

Matter, Energy, and Measurement

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Chirality: the Handedness of Molecules

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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?

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?

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