Question 1

Aldehydes are easier to oxidize than ketones.

Accepted Answer

A) True 
 B)False  True

Question 2

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 C

Question 3

A positive Benedict's test is indicated by the formation of which of the following?

Accepted Answer

A) Cu2O 
B) Cu 
C) Cu2+ 
D) metallic mirror 
A) Cu2O 
B) Cu 
C) Cu2+ 
D) metallic mirror A

Question 4

Which of the following is most toxic?

Accepted Answer

A) formaldehyde 
B) benzaldehyde 
C) acetone 
D) camphor 
A) formaldehyde 
B) benzaldehyde 
C) acetone 
D) camphor

Question 5

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

Accepted Answer

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

Question 6

What is the flavoring for margarine?

Accepted Answer

A) biacetyl 
B) acetone 
C) menthone 
D) citral 
A) biacetyl 
B) acetone 
C) menthone 
D) citral

Question 7

Generally,only those organic compounds containing oxygen or nitrogen can hydrogen bond.

Accepted Answer

A) True 
 B)False

Question 8

Ketones react readily with the Tollens' reagent.

Accepted Answer

A) True 
 B)False

Question 9

Acetals are generally more stable than hemiacetals.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is an important organic solvent?

Accepted Answer

A) menthone 
B) acetone 
C) citral 
D) phenol 
A) menthone 
B) acetone 
C) citral 
D) phenol

Question 11

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 12

What is the common name for 2-butanone?

Accepted Answer

A) methyl ethyl ketone 
B) diethyl ketone 
C) isobutyl ketone 
D) butyl ketone 
A) methyl ethyl ketone 
B) diethyl ketone 
C) isobutyl ketone 
D) butyl ketone

Question 13

Acetone can strongly hydrogen bond to water.

Accepted Answer

A) True 
 B)False

Question 14

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 15

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 16

Benedict's reagent is a stronger oxidizing reagent than the Tollens' reagent.

Accepted Answer

A) True 
 B)False

Question 17

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 18

Assuming that molecular weights are comparable,which of the following compounds would you expect to be the highest boiling?

Accepted Answer

A) aldehyde 
B) alkene 
C) alcohol 
D) ketone 
A) aldehyde 
B) alkene 
C) alcohol 
D) ketone

Question 19

The polarity of a carbonyl group can be depicted as:

Accepted Answer

A) True 
 B)False

Question 20

Which of the following products is formed when hydrogen is reacted with 3-methyl-2-butanone?

Accepted Answer

A) primary alcohol 
B) secondary alcohol 
C) tertiary alcohol 
D) acetal 
A) primary alcohol 
B) secondary alcohol 
C) tertiary alcohol 
D) acetal

Exam 14: Aldehydes and Ketones

Aldehydes are easier to oxidize than ketones.

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

A positive Benedict's test is indicated by the formation of which of the following?

Which of the following is most toxic?

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

What is the flavoring for margarine?

Generally,only those organic compounds containing oxygen or nitrogen can hydrogen bond.

Ketones react readily with the Tollens' reagent.

Acetals are generally more stable than hemiacetals.

Which of the following is an important organic solvent?

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?

What is the common name for 2-butanone?

Acetone can strongly hydrogen bond to water.

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

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

Benedict's reagent is a stronger oxidizing reagent than the Tollens' reagent.

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

Assuming that molecular weights are comparable,which of the following compounds would you expect to be the highest boiling?

The polarity of a carbonyl group can be depicted as:

Which of the following products is formed when hydrogen is reacted with 3-methyl-2-butanone?

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