Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The addition of an alcohol molecule to an aldehyde carbonyl group gives a hemiacetal.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a structural representation of benzaldehyde?

Accepted Answer

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

Question 4

Which of the following is a water soluble,organic solvent?

Accepted Answer

A)  vanilloids
B)  hemiacetals
C)  acetone
D)  diethyl etherE) All of the above
F) A) and C)

Question 5

Which of the following is a requirement of Tollens' reagent?

Accepted Answer

A)  The reaction must be run in a flask.
B)  The glassware should be grease-free.
C)  An air source must be present to dry the results before interpretation.
D)  The reaction must be run at the boiling point of the substance being tested.E) All of the above
F) A) and C)

Question 6

Which of the following will react with Tollens' reagent?

Accepted Answer

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

Question 7

The IUPAC name for formaldehyde is methanal.

Accepted Answer

A) True 
 B)False

Question 8

Acetals are prepared from ketones and alcohols.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Which of the following has the highest boiling point?

Accepted Answer

A)  propanal
B)  methanal
C)  ethanal
D)  butanalE) All of the above
F) C) and D)

Question 11

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) A) and C)
F) C) and D)

Question 12

Which of the following properly ranks the relative aqueous solubility of each functional group?

Accepted Answer

A)  alkene 
B)  aldehyde 
C)  alkene 
D)  alkene < ketone < aldehyde < alcoholE) All of the above
F) B) and C)

Question 13

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) A) and B)
F) A) and C)

Question 14

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

Accepted Answer

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

Question 15

Which is a test for the presence of an aldehyde?

Accepted Answer

A)  Silver's reagent
B)  boiling point determination
C)  Benedict's reagent
D)  a color change at boiling pointE) A) and B)
F) All of the above

Question 16

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 17

____ is the active ingredient in Heet® and Methacin®,and Pain Doctor®,which are pain relieving creams that are over the counter preparation.

Accepted Answer

A)  aspirin
B)  resiniferatoxin
C)  capsaicin
D)  RTXE) All of the above
F) A) and D)

Question 18

Which of the following is NOT a proper IUPAC name?

Accepted Answer

A)  1-cyclopentanone
B)  1-pentanone
C)  2-pentanone
D)  3-pentanoneE) A) and B)
F) B) and D)

Question 19

Acetone can strongly hydrogen bond to itself.

Accepted Answer

A) True 
 B)False

Question 20

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.E) B) and C)
F) A) and C)

Exam 14: Aldehydes and Ketones

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Acetone can strongly hydrogen bond to itself.

Correct AnswerverifiedShow Answer

The addition of an alcohol molecule to an aldehyde carbonyl group gives a hemiacetal.

Correct AnswerverifiedShow Answer

Which of the following is a water soluble,organic solvent?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following properly ranks the relative aqueous solubility of each functional group?

Correct AnswerverifiedShow Answer

Which of the following is a requirement of Tollens' reagent?

Correct AnswerverifiedShow Answer

Fully reacting an aldehyde with an alcohol will produce?

Correct AnswerverifiedShow Answer

Acetals are prepared from ketones and alcohols.

Correct AnswerverifiedShow Answer

Which is a test for the presence of an aldehyde?

Correct AnswerverifiedShow Answer

Which of the following has the highest boiling point?

Correct AnswerverifiedShow Answer

____ is the active ingredient in Heet® and Methacin®,and Pain Doctor®,which are pain relieving creams that are over the counter preparation.

Correct AnswerverifiedShow Answer

Which of the following is NOT a proper IUPAC name?

Correct AnswerverifiedShow Answer

The IUPAC name for formaldehyde is methanal.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following will react with Tollens' reagent?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a structural representation of benzaldehyde?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct Answer
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