Question 1

How many carbon atoms are present in the smallest aldehyde that cannot exhibit enol-keto tautomerism?

Accepted Answer

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

Question 2

Which of the following resemble tautomers?

Accepted Answer

A)   constitutional isomers
B)   diastereomers
C)   enantiomers
D)   none of these

Question 3

Which of the following is an oxidizing agent?

Accepted Answer

A)   NADH
B)   H2
C)   O2
D)   none of these

Question 4

Which of the following is true of liquid aldehydes?

Accepted Answer

A)   They are not readily oxidized.
B)   They are not oxidized by O2 in the air but are oxidized by stronger oxidizing agents.
C)   They are readily oxidized by O2 in the air.
D)   Their most important oxidation reaction is combustion.

Question 5

What is the IUPAC name of the following compound?

Accepted Answer

A)   2-methyl-3-amino-1-cyclopentanone
B)   3-amine-2-methyl-1-cyclopentanone
C)   2-methyl-3-aminocyclopentanone
D)   3-amino-2-methylcyclopentanone

Question 6

Which of the following compounds has the highest boiling point?

Accepted Answer

A)   2-butanone
B)   2-heptanone
C)   2-hexanone
D)   2-pentanone

Question 7

What is the common name of 2-octanone?

Accepted Answer

A)   methyl heptyl ketone
B)   heptyl methyl ketone
C)   methyl hexyl ketone
D)   hexyl methyl ketone

Question 8

What is the minimum number of oxygen atoms present in an acetal?

Accepted Answer

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

Question 9

What is the IUPAC name of the following compound?

Accepted Answer

A)   1,1,1-trimethyl-2-propanone
B)   3,3-dimethyl-2-butanone
C)   3,3,3-trimethyl-2-propanone
D)   2,2-dimethyl-3-butanone

Question 10

Which of the following compounds has the highest boiling point?

Accepted Answer

A)   butane
B)   propanal
C)   ethyl methyl ether
D)   1-propanol

Question 11

Which of the following will generally give a positive test with Tollens' reagent?

Accepted Answer

A)   aldehydes
B)   carboxylic acids
C)   both aldehydes and carboxylic acids
D)   none of these

Question 12

Which of the following will generally give a positive test with Tollens' reagent?

Accepted Answer

A)   carboxylic acids
B)   ketones
C)   both carboxylic acids and ketones
D)   none of these

Question 13

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. 2Cr2O7 in the presence of H2SO4? A)  propanal B)  1-propanol C)  propanoate ion D)  ethanoic acid E)  none of these" class="answers-bank-image d-inline" rel="preload" > What will the product be if the given compound reacts with K2Cr2O7 in the presence of H2SO4?

Accepted Answer

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

Question 14

Which of the following statements is true of hemiacetals?

Accepted Answer

A)   All hemiacetals are generally stable.
B)   All hemiacetals are unstable because of the presence of two carbonyl groups.
C)   The functional group of hemiacetals is a carbon bonded to one -OH group and one -OR group.
D)   Hemiacetals have two -OH groups bonded to the same carbon.

Question 15

Which of the following compounds is a tautomer of the following compound?

Accepted Answer

A)   
B)   
C)   both  and
D)   none of these

Question 16

Which functional group is found in ketones?

Accepted Answer

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

Question 17

What is the IUPAC name of the following compound?

Accepted Answer

A)   4-aldyltoluene
B)   4-toluylaldehyde
C)   1-methylbenzaldehyde
D)   4-methylbenzaldehyde

Question 18

Which of the following has intermolecular hydrogen bonds?

Accepted Answer

A)   pure formaldehyde
B)   pure acetone
C)   a solution of formaldehyde in water
D)   none of these

Question 19

Which of the following compounds produces 1-pentanol upon reduction with an H2/metal catalyst?

Accepted Answer

A)   2/metal catalyst? 
A)     
B)     
C)     
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B)   2/metal catalyst? 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
C)   2/metal catalyst? 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
D)   2/metal catalyst? 
A)     
B)     
C)     
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Question 20

Which product will be formed by the treatment of the following compound with silver nitrate and ammonia in water, followed by acidification with HCl?

Accepted Answer

A)   
B)   
C)   
D)   none of these

Exam 16: Aldehydes and Ketones

Which of the following compounds has the highest boiling point?

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Which of the following will generally give a positive test with Tollens' reagent?

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Which of the following compounds has the highest boiling point?

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Which of the following statements is true of hemiacetals?

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What is the IUPAC name of the following compound?

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Which of the following has intermolecular hydrogen bonds?

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Which of the following is an oxidizing agent?

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Which of the following resemble tautomers?

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Which functional group is found in ketones?

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What is the IUPAC name of the following compound?

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How many carbon atoms are present in the smallest aldehyde that cannot exhibit enol-keto tautomerism?

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What is the common name of 2-octanone?

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Which product will be formed by the treatment of the following compound with silver nitrate and ammonia in water, followed by acidification with HCl?

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Which of the following is true of liquid 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. What will the product be if the given compound reacts with K2Cr2O7 in the presence of H2SO4?

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Which of the following compounds produces 1-pentanol upon reduction with an H2/metal catalyst?

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What is the IUPAC name of the following compound?

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Which of the following will generally give a positive test with Tollens' reagent?

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Which of the following compounds is a tautomer of the following compound?

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What is the minimum number of oxygen atoms present in an acetal?

Correct AnswerverifiedShow Answer

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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 K₂Cr₂O₇ in the presence of H₂SO₄?

Correct Answer
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Which of the following compounds produces 1-pentanol upon reduction with an H₂/metal catalyst?

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