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Identify the solvent(s) used in 1H-NMR spectroscopy. ​ Identify the solvent(s) used in <sup>1</sup>H-NMR spectroscopy. ​ A) Only I and II B) Only II and III C) I, III, and IV D) I, II, and III


A) Only I and II
B) Only II and III
C) I, III, and IV
D) I, II, and III

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

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

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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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The reduction of aldehydes by LAH is carried out in aprotic solvents such as THF because _____.


A) LAH reacts vigorously with aprotic solvents to release hydrogen gas
B) LAH reacts vigorously with protic solvents to release hydrogen gas
C) LAH reacts with aprotic solvents to form lithium hydroxide
D) LAH reduces aldehydes to dienes only in aprotic solvents

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

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Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the carbonyl compound? Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the carbonyl compound? A) only 1 B) only 3 C) only 1 and 3 D) only 2 and 4


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

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

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

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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 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 = imine; 2 = amine; 3 = hydrazone; 4 = oxime B) 1 = hydrazone; 2 = amine; 3 = imine; 4 = oxime C) 1 = oxime; 2 = imine; 3 = amine; 4 = hydrazone D) 1 = imine; 2 = hydrazone; 3 = oxime; 4 = amine


A) 1 = imine; 2 = amine; 3 = hydrazone; 4 = oxime
B) 1 = hydrazone; 2 = amine; 3 = imine; 4 = oxime
C) 1 = oxime; 2 = imine; 3 = amine; 4 = hydrazone
D) 1 = imine; 2 = hydrazone; 3 = oxime; 4 = amine

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

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


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

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

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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 D)
F) All of the above

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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 = imine; 2 = amine; 3 = hydrazone; 4 = oxime B) 1 = hydrazone; 2 = amine; 3 = imine; 4 = oxime C) 1 = oxime; 2 = imine; 3 = amine; 4 = hydrazone D) 1 = imine; 2 = hydrazone; 3 = oxime; 4 = amine


A) 1 = imine; 2 = amine; 3 = hydrazone; 4 = oxime
B) 1 = hydrazone; 2 = amine; 3 = imine; 4 = oxime
C) 1 = oxime; 2 = imine; 3 = amine; 4 = hydrazone
D) 1 = imine; 2 = hydrazone; 3 = oxime; 4 = amine

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

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3-hydroxybutanal can exist in equilibrium as a cyclic hemiacetal.

A) True
B) False

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Which of the following is not true about the Wittig reaction?


A) triphenylphosphine reacts with 2° alkyl bromides by an SN2 reaction to give an alkyltriphenylphosphonium bromide
B) alkyltriphenylphosphonium bromides are deprotonated by strong bases to give a phosphonium ylide
C) phosphonium ylids are nucleophilic
D) the product of the Wittig reaction is an alkyne

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

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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 nucleophile in this reaction is _____. -The nucleophile in this reaction is _____.

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

Correct Answer

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Identify "X" and "Y" in the given reaction. ​ Identify X and Y in the given reaction. ​ A) X is LiAlH<sub>4</sub>/THF, and Y is H<sub>2</sub>/Rh. B) X is H<sub>2</sub>/Pt, and Y is LiAlH<sub>4</sub>. C) X is H<sub>2</sub>/Rh, and Y is LiAlH<sub>4</sub>/THF. D) X is H<sub>2</sub>, and Y is NaBH<sub>4</sub>.


A) X is LiAlH4/THF, and Y is H2/Rh.
B) X is H2/Pt, and Y is LiAlH4.
C) X is H2/Rh, and Y is LiAlH4/THF.
D) X is H2, and Y is NaBH4.

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

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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 relationship between the following two structures? What is the relationship between the following two structures? A) tautomers B) constitutional isomers, but not tautomers C) resonance structures D) stereoisomers


A) tautomers
B) constitutional isomers, but not tautomers
C) resonance structures
D) stereoisomers

E) B) 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) (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 B)
F) B) and C)

Correct Answer

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Consider the following reaction. Consider the following reaction. The mechanism for this reaction is shown below. The mechanism for this reaction is shown below. Consider the following reaction. The mechanism for this reaction is shown below.

A) True
B) False

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