Question 1

The addition of water in the presence of sulfuric acid to the following compound will result in:

Accepted Answer

A)   An alkyl halide
B)   An aldehyde
C)   A ketone
D)   An alcoholE) A) and B)
F) All of the above

Question 2

Which of the following statements about the stereochemistry of electrophilic addition of HX to alkenes is true?

Accepted Answer

A)   Hydrohalogenation occurs withsyn stereochemistry only.
B)   Achiral starting materials yield an unequal mixture of two enantiomers.
C)   Hydrohalogenation occurs withanti stereochemistry only.
D)   Hydrohalogenation occurs withsyn andanti addition of HX.E) A) and B)
F) All of the above D

Question 3

The addition of excess HBr to the following molecule will result in:

Accepted Answer

A)   An alcohol
B)   A geminal dihalide
C)   A vicinal dihalide
D)   An alkeneE) A) and C)
F) B) and C)

Question 4

Which of the following is an acid commonly used it organic reactions?

Accepted Answer

A)   HNO3
B)   KOH
C)   H2SO4
D)   HClE) B) and C)
F) A) and B)

Question 5

What is the product of the following reaction?

Accepted Answer

A)   II
B)   IV
C)   III
D)   IE) A) and B)
F) B) and C)

Question 6

Which of the statements about the properties of the carbon-carbon double bond isnot true?

Accepted Answer

A)   Trans alkenes are generally more stable than cis alkenes.
B)   There is restricted rotation around the carbon-carbon double bond.
C)   The stability of the carbon-carbon double bond increases as the number of substituent groups increases.
D)   Whenever the two groups on each end of a carbon-carbon double bond are the same, two diastereomers are possible.E) B) and C)
F) A) and D) D

Question 7

Which of the following statements explain why HBr is a stronger acid than HF?

Accepted Answer

A)   Br- is less stable than F- because Br- is less electronegative than F-.
B)   Br- is less stable than F- because Br- is larger than F-.
C)   Br- is more stable than F- because Br- is less electronegative than F-.
D)   Br- is more stable than F- because Br- is larger than F-.E) B) and D)
F) B) and C)

Question 8

What is the major product of the following reaction?

Accepted Answer

A)   IV
B)   II
C)   III
D)   IE) All of the above
F) A) and D)

Question 9

Give the IUPAC name for the following compound.

Accepted Answer

A)   4,4-Dipropyl-1-heptyne
B)   4,4-Diethyl-6-octyne
C)   4,4-Dipropyl-6-heptyne
D)   4,4-Diethyl-1-octyneE) A) and C)
F) A) and D)

Question 10

The hydroboration-oxidation to the following compound will result in:

Accepted Answer

A)   An alcohol
B)   An alkyl halide
C)   An aldehyde
D)   A ketoneE) B) and D)
F) A) and B)

Question 11

What is the major product of the following reaction?

Accepted Answer

A)   IV
B)   I
C)   II
D)   IIIE) B) and D)
F) None of the above

Question 12

Which method would work the best in accomplishing the following transformation? 2 B)  [1]BH3, THF; [2] H2O2, NaOH; [3] NaNH2 C)  [1] Br2, H2O; [2] NaNH2 D)  [1] Br2; [2] 2eq. NaNH2" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   [1] HBr; [2] 2eq. NaNH2
B)   [1]BH3, THF; [2] H2O2, NaOH; [3] NaNH2
C)   [1] Br2, H2O; [2] NaNH2
D)   [1] Br2; [2] 2eq. NaNH2E) A) and C)
F) B) and C)

Question 13

What is the major product of the following reaction?

Accepted Answer

A)   IV
B)   III
C)   I
D)   IIE) B) and C)
F) None of the above

Question 14

What is the product of the following reaction?

Accepted Answer

A)   III
B)   II
C)   I
D)   IVE) B) and D)
F) B) and C) C

Question 15

Which of the following explains why 1-pentyne has a slightly higher boiling point than 1-pentene?

Accepted Answer

A)   1-Pentyne is linear while 1-pentene is trigonal planar.
B)   1-Pentyne has more carbons per hydrogen than 1-pentene.
C)   The C-C triple bond in 1-pentyne is more polar than the C-C double bond in 1-pentene.
D)   1-Pentyne has more carbons than 1-pentene.E) A) and B)
F) A) and C)

Question 16

Which of the following is a terpene?

Accepted Answer

A)   III
B)   IV
C)   I
D)   IIE) A) and B)
F) A) and C)

Question 17

What is the major product of the following reaction?

Accepted Answer

A)   II
B)   III
C)   I
D)   IVE) A) and B)
F) A) and D)

Question 18

What is the major product of the following reaction?

Accepted Answer

A)   I
B)   III
C)   II
D)   IVE) A) and B)
F) A) and C)

Question 19

What is the major product of the following reaction?

Accepted Answer

A)   IV
B)   III
C)   II
D)   IE) None of the above
F) All of the above

Question 20

Which of the following compounds has the highest boiling point?

Accepted Answer

A)   II
B)   III
C)   IV
D)   IE) A) and B)
F) A) and C)

Exam 9: Alkenes Andalkynes

The addition of water in the presence of sulfuric acid to the following compound will result in:

Correct AnswerverifiedShow Answer

Which of the following statements about the stereochemistry of electrophilic addition of HX to alkenes is true?

Correct AnswerverifiedD

The addition of excess HBr to the following molecule will result in:

Correct AnswerverifiedShow Answer

Which of the following is an acid commonly used it organic reactions?

Correct AnswerverifiedShow Answer

What is the product of the following reaction?

Correct AnswerverifiedShow Answer

Which of the statements about the properties of the carbon-carbon double bond isnot true?

Correct AnswerverifiedD

Which of the following statements explain why HBr is a stronger acid than HF?

Correct AnswerverifiedShow Answer

What is the major product of the following reaction?

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Give the IUPAC name for the following compound.

Correct AnswerverifiedShow Answer

The hydroboration-oxidation to the following compound will result in:

Correct AnswerverifiedShow Answer

What is the major product of the following reaction?

Correct AnswerverifiedShow Answer

Which method would work the best in accomplishing the following transformation?

Correct AnswerverifiedShow Answer

What is the major product of the following reaction?

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What is the product of the following reaction?

Correct AnswerverifiedC

Which of the following explains why 1-pentyne has a slightly higher boiling point than 1-pentene?

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Which of the following is a terpene?

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What is the major product of the following reaction?

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What is the major product of the following reaction?

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What is the major product of the following reaction?

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Which of the following compounds has the highest boiling point?

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D

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D

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C

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