Aldehydes and Ketones

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1

What is the product of oxidation of 2-butanone?

No reaction.

2

Which compound has the lowest boiling point?

A) CH3CH2CH2CH3

B) CH3CH2CH2OH

C) CH3CH2CH3

D) CH3CH2OH

E) CH3CH2CHO

C.

3

What is the IUPAC name of Diisopropyl ketone?

A) 2,4-dimethyl-3-propanone

B) 2-dimethyl-3-pentanone

C) 2,2-dimethyl-3-pentanone

D) 2,4-dimethyl-3-pentanone

D.

4
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What is the product of the following reaction?

C.

5

What type of compound does not contain a carbonyl group?

A) aldehyde

B) Amine

C) Ketone

D) ester

E) Carboxylic acid

B.

6

Which compound will give a positive Tollens’ Test?

A) pentanoic acid

B) pentane

C) pentanal

D) 2-pentanone

E) 3-pentanone

C.

7

Which of the following is not a property of aldehydes and ketones?

A) They cannot form hydrogen bonds with water because they have no hydrogen Atoms bonded to oxygen.

B) Most have distinctive odors.

C) they are polar.

D) they have higher boiling points than alkanes of similar molar mass.

E) they have lower boiling points than alcohols of similar molar mass.

A.

8

Hydrolysis of an acetal will produce:

A) 2 aldehydes or ketones + one either

B) 1 aldehyde or ketone + 2 alcohols

C) 2 aldehydes or ketones + 1 alcohol

D) 1 aldehyde or ketone + 2 waters

E) 1 aldehyde or ketone + 2 ethers

B.

9
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Which molecule is formaldehyde?

D.

10

What is the correct name for: CH3CH(CH3)CH2COCH3

A) 4-methyl-2-butanone

B) 4-methyl-2-pentanone

C) 2-methyl-4-pentanone

D) isobutyl acetone

E) 2-methyl-4-butanone

B.

11

What is the correct systematic name?

CH3CH2COCH2CH2CH3

A) Ethyl methyl acetone

B) Propyl methyl ketone

C) 3-hexanone

D) 4-hexanone

E) methyl propyl ketone

C.

12

Which compound has the highest boiling point?

A) CH3COCH3

B) CH3CH2CHO

C) CH3CH2OH

D) CH3CH2CH2OH

E) CH3CHO

D.

13

What is the IUPAC name for acetone?

A) 2-propanone

B) 1-propanone

C) dimethyl ketone

D) 3-propanal

E) 2-propanal

A.

14

Reduction of an aldehyde produces a:

A) carboxylic acid

B) primary alcohol

C) secondary alcohol

D) tertiary alcohol

E) ketone

B.

15
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What is the IUPAC name of this compound?

A) isopropyl n-propyl ketone

B) 3-heptanone

C) 4-heptanone

D) 2-methyl-3-hexanone

E) 5-methyl-4-hexanone

D.

16
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Which of the following is acetal?

D.

17
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Which molecule is 2-butanone?

C.

18

oxidation of a ketone produces:

A) an aldehyde

B) a carboxylic acid

C) no reaction

D) a secondary alcohol

E) a primary alcohol

C.

19
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Which molecule is acetone?

A.

20

Which observation denotes a positive Benedict’s test?

A) A pale yellow solution with an older of chlorine changes to a purple color.

B) hey purple solution yields a brown precipitate

C) A red precipitate forms from a blue solution.

D) A red-brown solution becomes clear and colorless.

E) A mirror-like to posit forms from a colorless solution.

C.