Question 1

The correct name for CH3CH(CH3)CH2COCH3 is

Accepted Answer

A) 2-methyl-4-pentanone. 
B) 4-methyl-2-pentanone. 
C) 2-methyl-4-butanone. 
D) 4-methyl-2-butanone. 
E) isobutyl acetone. 
A) 2-methyl-4-pentanone. 
B) 4-methyl-2-pentanone. 
C) 2-methyl-4-butanone. 
D) 4-methyl-2-butanone. 
E) isobutyl acetone.

Question 2

What is the element that causes oxidation in the Tollens' test for aldehydes?

Accepted Answer

A) silver 
B) copper 
C) gold 
D) platinum 
E) lead 
A) silver 
B) copper 
C) gold 
D) platinum 
E) lead

Question 3

Match the following.
-carbonyl

Accepted Answer

A)   
B) CH3CH2COCH2CH3 
C) CH3CH2CH2 H2CHO 
D) the simplest aldehyde,also named formaldehyde 
E) the simplest ketone,also named acetone
F)a functional group consisting of a carbon atom with a double bond to an oxygen atom
G)a functional group consisting of a carbonyl group bonded to to a carbon that is bonded
to one hydrogen atom and two other carbon atoms.
H)a compound with a carbon atom that is bonded to both an alcohol-like group and an ether-like group.
I)a functional group consisting of a carbonyl group bonded to two other carbon atoms
J)a compound with a carbon atom that is bonded to two ether-like groups.
K) 
L)  
A)   
B) CH3CH2COCH2CH3 
C) CH3CH2CH2 H2CHO 
D) the simplest aldehyde,also named formaldehyde 
E) the simplest ketone,also named acetone
F)a functional group consisting of a carbon atom with a double bond to an oxygen atom
G)a functional group consisting of a carbonyl group bonded to to a carbon that is bonded
to one hydrogen atom and two other carbon atoms.
H)a compound with a carbon atom that is bonded to both an alcohol-like group and an ether-like group.
I)a functional group consisting of a carbonyl group bonded to two other carbon atoms
J)a compound with a carbon atom that is bonded to two ether-like groups.
K) 
L)

Question 4

Arrange the following compounds in order of increasing boiling point:
acetone,n-butane,propanal,1-propanol,2-propanol.
Explain the reasons for your arrangement.

Accepted Answer

n-butane,propanal,acetone,2-propanol,3-p

Question 5

Reduction of a ketone produces a(an)

Accepted Answer

A) carboxylic acid. 
B) primary alcohol. 
C) secondary alcohol. 
D) tertiary alcohol. 
E) aldehyde. 
A) carboxylic acid. 
B) primary alcohol. 
C) secondary alcohol. 
D) tertiary alcohol. 
E) aldehyde.

Question 6

What is the IUPAC name of the compound shown?

Accepted Answer

A) 4-heptanone 
B) 3-heptanone 
C) 5-methyl-4-hexanone 
D) 2-methyl-3-hexanone 
E) isopropyl n-propyl ketone 
A) 4-heptanone 
B) 3-heptanone 
C) 5-methyl-4-hexanone 
D) 2-methyl-3-hexanone 
E) isopropyl n-propyl ketone

Question 7

Which of the following is a use of formaldehyde?

Accepted Answer

A) flavoring 
B) hormone 
C) preservative 
D) sweetener 
E) solvent 
A) flavoring 
B) hormone 
C) preservative 
D) sweetener 
E) solvent

Question 8

Which of the following names does not fit a real compound?

Accepted Answer

A) 3-methyl-2-pentanal 
B) 4-methylpentanal 
C) 3-ethylpentanal 
D) ethanal 
E) All are correct. 
A) 3-methyl-2-pentanal 
B) 4-methylpentanal 
C) 3-ethylpentanal 
D) ethanal 
E) All are correct.

Question 9

The IUPAC name for dimethyl ketone is

Accepted Answer

A) 2-propanal. 
B) 3-propanal. 
C) 2-propanone. 
D) 1-propanone. 
E) acetone. 
A) 2-propanal. 
B) 3-propanal. 
C) 2-propanone. 
D) 1-propanone. 
E) acetone.

Question 10

Which is the correct systematic name for the molecule shown?

Accepted Answer

A) methyl propyl ketone 
B) propyl methyl ketone 
C) ethyl methyl acetone 
D) 3-hexanone 
E) 4-hexanone 
A) methyl propyl ketone 
B) propyl methyl ketone 
C) ethyl methyl acetone 
D) 3-hexanone 
E) 4-hexanone

Question 11

To what class of compounds does glucose belong?

Accepted Answer

A) cyclic ketone 
B) cyclic aldehyde 
C) cyclic acetal 
D) cyclic hemiacetal 
E) cyclic acid 
A) cyclic ketone 
B) cyclic aldehyde 
C) cyclic acetal 
D) cyclic hemiacetal 
E) cyclic acid

Question 12

All of the following statements about oxidation of carbonyls are true except

Accepted Answer

A) oxidation of aldehydes produces carboxylic acids. 
B) oxidation of ketones produces esters. 
C) Tollens' test involves reduction of Ag+. 
D) Benedict's test involves reduction of Cu2+. 
E) none of the above 
A) oxidation of aldehydes produces carboxylic acids. 
B) oxidation of ketones produces esters. 
C) Tollens' test involves reduction of Ag+. 
D) Benedict's test involves reduction of Cu2+. 
E) none of the above

Question 13

What is the major organic product of the following reaction?

Accepted Answer

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

Question 14

Which type of compound does not contain a carbonyl group?

Accepted Answer

A) aldehyde 
B) amine 
C) carboxylic acid 
D) ester 
E) ketone 
A) aldehyde 
B) amine 
C) carboxylic acid 
D) ester 
E) ketone

Question 15

A compound with two ether-like OR groups bonded to the same carbon atom is

Accepted Answer

A) an acetal. 
B) an aldol. 
C) a diol. 
D) a hemiacetal. 
E) a simple ether. 
A) an acetal. 
B) an aldol. 
C) a diol. 
D) a hemiacetal. 
E) a simple ether.

Question 16

Since hemiacetals are unstable,they are seldom found in significant quantities in reaction mixtures.An exception to this statement is the formation of hemiacetals

Accepted Answer

A) from carbonyl compounds and alcohols with identical R groups. 
B) from aldehyde and alcohol groups within the same molecule. 
C) from carbonyl compounds and alcohols with different R groups. 
D) in an acid-catalyzed reaction. 
E) in a base-catalyzed reaction. 
A) from carbonyl compounds and alcohols with identical R groups. 
B) from aldehyde and alcohol groups within the same molecule. 
C) from carbonyl compounds and alcohols with different R groups. 
D) in an acid-catalyzed reaction. 
E) in a base-catalyzed reaction.

Question 17

The common name of an industrial solvent used in many manufacturing processes is methyl ethyl ketone.The correct systematic name and structural formula of this compound are:

Accepted Answer

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

Exam 16: Aldehydes and Ketones

The correct name for CH3CH(CH3)CH2COCH3 is

What is the element that causes oxidation in the Tollens' test for aldehydes?

Match the following. -carbonyl

Arrange the following compounds in order of increasing boiling point: acetone,n-butane,propanal,1-propanol,2-propanol. Explain the reasons for your arrangement.

Reduction of a ketone produces a(an)

What is the IUPAC name of the compound shown?

Which of the following is a use of formaldehyde?

Which of the following names does not fit a real compound?

The IUPAC name for dimethyl ketone is

Which is the correct systematic name for the molecule shown?

To what class of compounds does glucose belong?

All of the following statements about oxidation of carbonyls are true except

What is the major organic product of the following reaction?

Which type of compound does not contain a carbonyl group?

A compound with two ether-like OR groups bonded to the same carbon atom is

Since hemiacetals are unstable,they are seldom found in significant quantities in reaction mixtures.An exception to this statement is the formation of hemiacetals

The common name of an industrial solvent used in many manufacturing processes is methyl ethyl ketone.The correct systematic name and structural formula of this compound are:

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The correct name for CH₃CH(CH₃)CH₂COCH₃ is