Question 1

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 point 
A) Silver's reagent 
B) boiling point determination 
C) Benedict's reagent 
D) a color change at boiling point

Question 2

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 3

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 4

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 5

Which of the following is a structural representation of benzaldehyde?

Accepted Answer

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

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Which of the following will react with Tollens' reagent?

Accepted Answer

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

Question 8

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. 
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.

Question 9

Acetals are prepared from ketones and alcohols.

Accepted Answer

A) True 
 B)False

Question 10

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 11

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 12

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

Accepted Answer

A) vanilloids 
B) hemiacetals 
C) acetone 
D) diethyl ether 
A) vanilloids 
B) hemiacetals 
C) acetone 
D) diethyl ether

Question 13

____ 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) RTX 
A) aspirin 
B) resiniferatoxin 
C) capsaicin 
D) RTX

Question 14

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 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

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.

Question 18

Acetone can strongly hydrogen bond to itself.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

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

Question 20

The IUPAC name for formaldehyde is methanal.

Accepted Answer

A) True 
 B)False

Exam 14: Aldehydes and Ketones

Which is a test for the presence of an aldehyde?

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

Fully reacting an aldehyde with an alcohol will produce?

Which of the following is NOT a proper IUPAC name?

Which of the following is a structural representation of benzaldehyde?

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

Which of the following will react with Tollens' reagent?

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

Acetals are prepared from ketones and alcohols.

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

Which of the following has the highest boiling point?

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

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

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

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

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

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

Acetone can strongly hydrogen bond to itself.

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

The IUPAC name for formaldehyde is methanal.

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Organic Compounds: Alkanes

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