Question 1

Which combination(s)  of amine and carbonyl compound can be used to prepare the following product by reductive amination?

Accepted Answer

A)   only 1
B)   only 3
C)   only 1 and 3
D)   only 1, 2 and 4E) All of the above
F) B) and D)

Question 2

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 3

The first step in the reaction mechanism is the protonation of the ________group.

Accepted Answer

The answer of The first step in the reaction mechanism...

Question 4

What is the correct assignment of the names of the following ketones?

Accepted Answer

A)   1 = acetone; 2 = phenol; 3 = benzaldehyde
B)   1 = acetone; 2 = acetophenone; 3 = benzophenone
C)   1 = formaldehyde; 2 = benzaldehyde; 3 = acetophenone
D)   1 = acetaldehyde; 2 = acetophenone; 3 = benzaldehydeE) A) and D)
F) B) and C)

Question 5

What is the major organic product obtained from the following sequence of reactions?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and C)
F) A) and B)

Question 6

What is the correct assignment of the names of the following aldehydes and ketones?

Accepted Answer

A)   1 = acetone; 2 = acetaldehyde; 3 = formaldehyde
B)   1 = acetaldehyde; 2 = acetophenone; 3 = benzophenone
C)   1 = formaldehyde; 2 = acetaldehyde; 3 = acetone
D)   1 = acetaldehyde; 2 = acetone; 3 = acetophenoneE) A) and B)
F) B) and C)

Question 7

What is the correct assignment of the names of the following functional groups?

Accepted Answer

A)   1 = acetal; 2 = hydrate; 3 = acetal; 4 = hemiacetal
B)   1 = acetal; 2 = enol; 3 = hydrate; 4 = hemiacetal
C)   1 = hydrate; 2 = hemiacetal; 3 = acetal; 4 = enol
D)   1 = enol; 2 = hydrate; 3 = hemiacetal; 4 = enolE) None of the above
F) A) and B)

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   (
E)  -3-methyl-2-pentene
B)   (Z) -3-methyl-2-pentene
C)   2-methyl-2-pentene
D)   4-methyl-1-penteneE) A) and D)
F) B) and D)

Question 9

Which combination(s)  of amine and carbonyl compound can be used to prepare the following product by reductive amination?

Accepted Answer

A)   only 1 and 2
B)   only 2 and 4
C)   only 2 and 3
D)   only 1, 2 and 3E) A) and B)
F) B) and C)

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 11

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) A) and D)

Question 12

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   2-pentanone
B)   (
E)  -3-penten-2-ol
C)   2-pentanol
D)   4-hydroxy-2-pentanoneE) C) and D)
F) All of the above

Question 13

An 1H NMR is run on a sample. This spectrum is shown below.  Based on this data the sample is probably an aldehyde.

Accepted Answer

A) True 
 B)False

Question 14

The following compound would be classified as a hemiacetal.. $\begin{array}{c}
\mathrm{OH}\|\\mathrm{H}_{3} \mathrm{CCH}\|\\mathrm{OCH}_{3}
\end{array}$

Accepted Answer

A) True 
 B)False

Question 15

Which combination(s)  of alkyl bromide and carbonyl compound can be used to prepare the following product by reaction of the Wittig reagent derived from the alkyl bromide with the carbonyl compound?

Accepted Answer

A)   only 1 and 2
B)   only 1 and 3
C)   only 2 and 4
D)   only 1, 2 and 3E) All of the above
F) A) and B)

Question 16

What is the major organic product obtained from the following reaction? 2CH3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2-phenyl-2-butanol
B)   3-phenyl-2-butanol
C)   3-phenylbutanone
D)   propiophenone, PhCOCH2CH3E) None of the above
F) A) and D)

Question 17

What is the major organic product obtained from the following reaction?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) A) and B)

Question 18

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 19

Which of the following statements is not true?

Accepted Answer

A)   Reaction of benzophenone with methanol in the presence of acid gives a acetal
B)   Reaction of butanal with ethanol in the presence of base gives an acetal
C)   Reaction of benzaldehyde with ethanol in the presence of acid gives an acetal
D)   Reaction of acetone with methanol in the presence of base gives a hemiacetalE) B) and C)
F) A) and D)

Question 20

Which of the following has the highest Keq for enolization? eq for enolization?   A)  1 B)  2 C)  3 D)  4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) A) and B)
F) None of the above

Exam 16: Aldehydes and Ketones

What is the major organic product obtained from the following reaction?

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Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

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Which of the following has the highest Keq for enolization?

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What is the major organic product obtained from the following sequence of reactions?

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What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by reaction of the Wittig reagent derived from the alkyl bromide with the carbonyl compound?

Correct AnswerverifiedShow Answer

Which combination(s) of amine and carbonyl compound can be used to prepare the following product by reductive amination?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

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An 1H NMR is run on a sample. This spectrum is shown below. Based on this data the sample is probably an aldehyde.

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Which of the following statements is not true?

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What is the major organic product obtained from the following reaction?

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What is the major organic product obtained from the following reaction?

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The following compound would be classified as a hemiacetal.. OH∣H3CCH∣OCH3\begin{array}{c}\mathrm{OH}\\|\\\mathrm{H}_{3} \mathrm{CCH}\\|\\\mathrm{OCH}_{3}\end{array}OH∣H3​CCH∣OCH3​​

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What is the correct assignment of the names of the following aldehydes and ketones?

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What is the major organic product obtained from the following reaction?

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What is the correct assignment of the names of the following ketones?

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What is the correct assignment of the names of the following functional groups?

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What is the major organic product obtained from the following reaction?

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The first step in the reaction mechanism is the protonation of the ________group.

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What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

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Which of the following has the highest K_eq for enolization?

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An ¹H NMR is run on a sample. This spectrum is shown below. Based on this data the sample is probably an aldehyde.

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The following compound would be classified as a hemiacetal.. $\begin{array}{c}\mathrm{OH}\\|\\\mathrm{H}_{3} \mathrm{CCH}\\|\\\mathrm{OCH}_{3}\end{array}$

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