Question 1

Which of the following is the substance that causes the symptoms associated with a 'hangover'?

Accepted Answer

A)   methanal
B)   2-octanone
C)   ethanal
D)   benzaldehydeE) A) and B)
F) B) and D)

Question 2

To what characteristic(s) do aldehydes and ketones owe their ability to form hydrogen bonds?

Accepted Answer

A)   oxygen is always polar
B)   single bound oxygen
C)   having a doubly bonded oxygen
D)   all of the responses are correctE) C) and D)
F) A) and D)

Question 3

Which of the following is a condensed structural formula for an aldehyde? (Note: R is used to represent a generic alkyl chain) .

Accepted Answer

A)   RCHO
B)   RCOH
C)   RC(=O) R
D)   RCOOHE) All of the above
F) A) and D)

Question 4

Which reaction requires platinum as a catalyst?

Accepted Answer

A)   oxidation of an aldehyde or ketone
B)   reduction of an aldehyde or ketone
C)   reaction of an aldehyde or ketone with an alcohol
D)   All of the responses are reactions that are catalyzed by platinum.E) None of the above
F) C) and D)

Question 5

The name 4,5-dichlorocyclohexanone should be

Accepted Answer

A)   1,2-dichlorocyclohexanone.
B)   2,3-dichlorocyclohexanone.
C)   3,4-dichlorocyclohexanone.
D)   4,5-dichlorocyclohexanone.E) B) and C)
F) C) and D)

Question 6

Which of the following substances can be used to produce a chemical tan?

Accepted Answer

A)   benzaldehyde
B)   dihydroxyacetone
C)   menthone
D)   citralE) B) and D)
F) None of the above

Question 7

What is the organic product when a basic solution of Ag(NH3) 2+ is added to CH3CH2CH2CHO?

Accepted Answer

A)  3) 2+ is added to CH3CH2CH2CHO? 
A)     
B)     
C)     
D)   No reaction occurs." class="answers-bank-image d-inline" rel="preload" >
B)  3) 2+ is added to CH3CH2CH2CHO? 
A)     
B)     
C)     
D)   No reaction occurs." class="answers-bank-image d-inline" rel="preload" >
C)  3) 2+ is added to CH3CH2CH2CHO? 
A)     
B)     
C)     
D)   No reaction occurs." class="answers-bank-image d-inline" rel="preload" >
D)   No reaction occurs.E) B) and C)
F) All of the above

Question 8

Ketosis,which can result from dieting,causes the production of ketones in the blood and breath.

Accepted Answer

A) True 
 B)False

Question 9

The IUPAC name of the following compound is 1-methylcyclopentanone.

Accepted Answer

A) True 
 B)False

Question 10

Ketones react readily with the Tollens' reagent.

Accepted Answer

A) True 
 B)False

Question 11

In the IUPAC nomenclature system,the name of which of the following would end in "-al"?

Accepted Answer

A)   an alcohol
B)   an aldehyde
C)   an alkane
D)   a phenolE) All of the above
F) B) and D)

Question 12

Acetals are prepared from ketones and alcohols.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following compounds can form hydrogen bonds with water molecules?

Accepted Answer

A)  
B)  
C)  
D)   all of themE) B) and D)
F) A) and B)

Question 14

Fully reacting an aldehyde with an alcohol will produce?

Accepted Answer

A)   a carboxylic acid
B)   no reaction
C)   a primary alcohol
D)   an acetalE) C) and D)
F) A) and D)

Question 15

Which of the following will give both a positive Tollens' test and a positive Benedict's test?

Accepted Answer

A)  
B)  
C)  
D)   All give positive tests for both.E) B) and D)
F) C) and D)

Question 16

Which of the following will react with Tollens' reagent?

Accepted Answer

A)  
B)  
C)  
D)  E) A) and B)
F) A) and C)

Question 17

Formaldehyde is a ____ at room temperature.

Accepted Answer

A)   gas
B)   liquid
C)   solid
D)   unknownE) C) and D)
F) A) and C)

Question 18

An unknown compound undergoes no change under oxidizing conditions but reacts readily with hydrogen in the presence of a Pt catalyst.Which of the following might be this unknown compound?

Accepted Answer

A)  
B)  
C)  
D)  E) None of the above
F) A) and D)

Question 19

Which of the following is used as a component of the preservative formalin?

Accepted Answer

A)  
B)  
C)  
D)  E) B) and C)
F) None of the above

Question 20

Which of the following is an acetal?

Accepted Answer

A)  
B)  
C)  
D)  E) B) and C)
F) None of the above

Exam 14: Aldehydes and Ketones

The IUPAC name of the following compound is 1-methylcyclopentanone.

Correct AnswerverifiedShow Answer

Which of the following will give both a positive Tollens' test and a positive Benedict's test?

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Which reaction requires platinum as a catalyst?

Correct AnswerverifiedShow Answer

An unknown compound undergoes no change under oxidizing conditions but reacts readily with hydrogen in the presence of a Pt catalyst.Which of the following might be this unknown compound?

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What is the organic product when a basic solution of Ag(NH3) 2+ is added to CH3CH2CH2CHO?

Correct AnswerverifiedShow Answer

Acetals are prepared from ketones and alcohols.

Correct AnswerverifiedShow Answer

Which of the following is the substance that causes the symptoms associated with a 'hangover'?

Correct AnswerverifiedShow Answer

The name 4,5-dichlorocyclohexanone should be

Correct AnswerverifiedShow Answer

Fully reacting an aldehyde with an alcohol will produce?

Correct AnswerverifiedShow Answer

In the IUPAC nomenclature system,the name of which of the following would end in "-al"?

Correct AnswerverifiedShow Answer

Which of the following is a condensed structural formula for an aldehyde? (Note: R is used to represent a generic alkyl chain) .

Correct AnswerverifiedShow Answer

Which of the following is used as a component of the preservative formalin?

Correct AnswerverifiedShow Answer

Ketosis,which can result from dieting,causes the production of ketones in the blood and breath.

Correct AnswerverifiedShow Answer

Ketones react readily with the Tollens' reagent.

Correct AnswerverifiedShow Answer

Which of the following compounds can form hydrogen bonds with water molecules?

Correct AnswerverifiedShow Answer

Which of the following substances can be used to produce a chemical tan?

Correct AnswerverifiedShow Answer

Formaldehyde is a ____ at room temperature.

Correct AnswerverifiedShow Answer

To what characteristic(s) do aldehydes and ketones owe their ability to form hydrogen bonds?

Correct AnswerverifiedShow Answer

Which of the following will react with Tollens' reagent?

Correct AnswerverifiedShow Answer

Which of the following is an acetal?

Correct AnswerverifiedShow Answer

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What is the organic product when a basic solution of Ag(NH₃) ₂⁺ is added to CH₃CH₂CH₂CHO?

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