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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

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Which of the following is the best description of the overall transformation involved in a Wittig reaction?


A) addition
B) substitution
C) elimination
D) rearrangement

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

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Which ketone-diol undergoes cyclization to form the following acetal? Which ketone-diol undergoes cyclization to form the following acetal? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 4,4-diethyl-3-buten-2-one B) 4-ethyl-3-hexen-2-one C) (Z) -4-ethyl-3-hexen-2-one D) 3-ethyl-4-hexen-5-one


A) 4,4-diethyl-3-buten-2-one
B) 4-ethyl-3-hexen-2-one
C) (Z) -4-ethyl-3-hexen-2-one
D) 3-ethyl-4-hexen-5-one

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

Correct Answer

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 3-methyl-3-phenylpropanol B) 3-phenylbutanal C) 3-phenyl-1-butanone D) 3-phenylbutanoic acid


A) 3-methyl-3-phenylpropanol
B) 3-phenylbutanal
C) 3-phenyl-1-butanone
D) 3-phenylbutanoic acid

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

Correct Answer

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

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 4-phenyl-3-hexanone B) 3-phenyl-4-hexanone C) 1,2-diethyl-2-phenylethanal D) 1-methyl-1-phenyl-2-butanone


A) 4-phenyl-3-hexanone
B) 3-phenyl-4-hexanone
C) 1,2-diethyl-2-phenylethanal
D) 1-methyl-1-phenyl-2-butanone

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

Correct Answer

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What is the correct assignment of the names of the following functional groups? What is the correct assignment of the names of the following functional groups? A) 1 = enol; 2 = hydrate; 3 = acetal; 4 = hemiacetal B) 1 = acetal; 2 = hydrate; 3 = enol; 4 = hemiacetal C) 1 = hydrate; 2 = hemiacetal; 3 = acetal; 4 = enol D) 1 = enol; 2 = hydrate; 3 = hemiacetal; 4 = enol


A) 1 = enol; 2 = hydrate; 3 = acetal; 4 = hemiacetal
B) 1 = acetal; 2 = hydrate; 3 = enol; 4 = hemiacetal
C) 1 = hydrate; 2 = hemiacetal; 3 = acetal; 4 = enol
D) 1 = enol; 2 = hydrate; 3 = hemiacetal; 4 = enol

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

Correct Answer

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


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

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

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 2-pentanol B) pentane C) 1-pentene D) (E) 2-pentene


A) 2-pentanol
B) pentane
C) 1-pentene
D) (E) 2-pentene

E) None of the above
F) All of the above

Correct Answer

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The correct name for the following compound is 3-oxoheptanal. The correct name for the following compound is 3-oxoheptanal.

A) True
B) False

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What is the major organic product obtained from the following reaction? 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? What is the major organic product obtained from the following reaction? A) (E) -3-methyl-2-pentene B) (Z) -3-methyl-2-pentene C) 2-methyl-2-pentene D) 4-methyl-1-pentene


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

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

Correct Answer

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What is the major organic product obtained from the following reaction? What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

Correct Answer

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Which of the following has the highest Keq for enolization? Which of the following has the highest K<sub>eq</sub> for enolization? A) 1 B) 2 C) 3 D) 4


A) 1
B) 2
C) 3
D) 4

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

Correct Answer

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Consider the reaction below to answer the following question(s) . Use letters where appropriate to answer the questions. Consider the reaction below to answer the following question(s) . Use letters where appropriate to answer the questions. -The catalyst in this reaction is _____. A) A B) B C) C D) D -The catalyst in this reaction is _____.


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

E) A) and B)
F) All of the above

Correct Answer

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Which of the following statements is not true?


A) The carbon atom of a carbonyl group is electrophilic
B) In general, aldehydes are more electrophilic than ketones
C) Nucleophilic addition to carbonyl groups can be catalyzed by acid or base
D) Addition of a nucleophile to a carbonyl group changes the hybridization of the carbonyl carbon from sp3 to sp2 hybridization

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

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Answer each of the following questions with the appropriate number. -Of the compounds shown below, the one numbered _____ is an enamine. Answer each of the following questions with the appropriate number. -Of the compounds shown below, the one numbered _____ is an enamine.

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What is the reactivity of Br2 in the acid-catalyzed bromination of acetophenone?


A) acid
B) base
C) nucleophile
D) electrophile

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

Correct Answer

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