Question 1

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

Accepted Answer

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

Question 2

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 3

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 4

What is the consequence of the ability of aldehydes and ketones to form hydrogen bonds?

Accepted Answer

A) They are both highly colored when in the solid state. 
B) They both have boiling points less than the comparable weight alcohol. 
C) They prefer to hydrogen bond molecules of the same formula and will not dissolve well in water. 
D) There is more than one correct response. 
A) They are both highly colored when in the solid state. 
B) They both have boiling points less than the comparable weight alcohol. 
C) They prefer to hydrogen bond molecules of the same formula and will not dissolve well in water. 
D) There is more than one correct response.

Question 5

The formation of a hemiketal from a ketone and alcohol is a condensation reaction.

Accepted Answer

A) True 
 B)False

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

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 8

Aldehydes and ketones would always have a higher boiling point than the corresponding hydrocarbon with the same number of carbon atoms.

Accepted Answer

A) True 
 B)False

Question 9

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 10

The formation of a ketal from a hemiketal and alcohol is usually a base catalyzed reaction.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

An aldehyde functional group must be on the end of a carbon chain.

Accepted Answer

A) True 
 B)False

Question 13

Ketones react readily with the Tollens' reagent.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following has the highest boiling point?

Accepted Answer

A) propanal 
B) methanal 
C) ethanal 
D) butanal 
A) propanal 
B) methanal 
C) ethanal 
D) butanal

Question 15

Which of the following is NOT a proper IUPAC name?

Accepted Answer

A) 1-cyclopentanone 
B) 1-pentanone 
C) 2-pentanone 
D) 3-pentanone 
A) 1-cyclopentanone 
B) 1-pentanone 
C) 2-pentanone 
D) 3-pentanone

Question 16

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 17

The intermediate product of two moles of a primary alcohol and one mole of a ketone would be a(n)____.

Accepted Answer

A) acetal 
B) ketal 
C) hemiacetal 
D) hemiketal 
A) acetal 
B) ketal 
C) hemiacetal 
D) hemiketal

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is the structure for acetone?

Accepted Answer

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

Question 20

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.

Exam 14: Aldehydes and Ketones

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

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

Formaldehyde is a ____ at room temperature.

What is the consequence of the ability of aldehydes and ketones to form hydrogen bonds?

The formation of a hemiketal from a ketone and alcohol is a condensation reaction.

What is the flavoring for margarine?

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

Aldehydes and ketones would always have a higher boiling point than the corresponding hydrocarbon with the same number of carbon atoms.

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

The formation of a ketal from a hemiketal and alcohol is usually a base catalyzed reaction.

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

An aldehyde functional group must be on the end of a carbon chain.

Ketones react readily with the Tollens' reagent.

Which of the following has the highest boiling point?

Which of the following is NOT a proper IUPAC name?

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

The intermediate product of two moles of a primary alcohol and one mole of a ketone would be a(n)____.

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

Which of the following is the structure for acetone?

The name 4,5-dichlorocyclohexanone should be

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