Question 1

Which of the following will react with Tollens' reagent?

Accepted Answer

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

Question 2

Which of the following is an acetal?

Accepted Answer

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

Question 3

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 phenol 
A)  an alcohol 
B)  an aldehyde 
C)  an alkane 
D)  a phenol

Question 4

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

Question 5

Acetals are prepared from ketones and alcohols.

Accepted Answer

A) True 
 B)False

Question 6

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

Question 7

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)  RCOOH 
A)  RCHO 
B)  RCOH 
C)  RC(=O)R 
D)  RCOOH

Question 8

Ketones react readily with the Tollens' reagent.

Accepted Answer

A) True 
 B)False

Question 9

Fully reacting an aldehyde with an alcohol will produce?

Accepted Answer

A)  a carboxylic acid 
B)  no reaction 
C)  a primary alcohol 
D)  an acetal 
A)  a carboxylic acid 
B)  no reaction 
C)  a primary alcohol 
D)  an acetal

Question 10

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

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  all of them 
A) 
  
B) 
  
C) 
  
D)  all of them

Question 11

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. 
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.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Question 14

Formaldehyde is a ____ at room temperature.

Accepted Answer

A)  gas 
B)  liquid 
C)  solid 
D)  unknown 
A)  gas 
B)  liquid 
C)  solid 
D)  unknown

Question 15

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

Accepted Answer

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

Question 16

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) 
  
A) 
  
B) 
  
C) 
  
D)

Question 17

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)  benzaldehyde 
A)  methanal 
B)  2-octanone 
C)  ethanal 
D)  benzaldehyde

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A)  benzaldehyde 
B)  dihydroxyacetone 
C)  menthone 
D)  citral 
A)  benzaldehyde 
B)  dihydroxyacetone 
C)  menthone 
D)  citral

Question 20

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

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  No reaction occurs. 
A) 
  
B) 
  
C) 
  
D)  No reaction occurs.

Exam 14: Aldehydes and Ketones

Which of the following will react with Tollens' reagent?

Which of the following is an acetal?

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

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

Acetals are prepared from ketones and alcohols.

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

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

Ketones react readily with the Tollens' reagent.

Fully reacting an aldehyde with an alcohol will produce?

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

Which reaction requires platinum as a catalyst?

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

The name 4,5-dichlorocyclohexanone should be

Formaldehyde is a ____ at room temperature.

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

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?

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

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

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

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

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