Question 1

Which of the following compounds contain tertiary (3°)  radical carbons?

Accepted Answer

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

Question 2

How many monochlorination products (constitutional isomers and stereoisomers)  are formed from the reaction of butane with Cl2 and h?

Accepted Answer

A)   2
B)   3
C)   4
D)   5E) B) and C)
F) A) and D)

Question 3

Which of the following statements about radical reactions is not true?

Accepted Answer

A)   Light or heat provides the energy needed for homolytic bond cleavage to form radicals.
B)   Breaking the weak O-O bond of peroxides initiates radical reactions.
C)   The diradical O2 removes radicals from a reaction mixture.
D)   Radicals rearrange.E) B) and D)
F) B) and C)

Question 4

Which of the following compounds contain secondary (2°)  radical carbons?

Accepted Answer

A)   Only I
B)   Only II
C)   Only III
D)   Only II and IVE) None of the above
F) B) and C)

Question 5

Which of the indicated hydrogens is most readily abstracted in a free radical halogenation reaction?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) None of the above
F) B) and C)

Question 6

How many monochlorination products can be formed from the reaction of (CH3) 3CH with Cl2 and h?

Accepted Answer

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

Question 7

How many allylic halides can be formed when 3-methycyclohexene undergoes allylic halogenation with one equivalent of NBS and light?

Accepted Answer

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

Question 8

How many monochlorination products can be formed (constitutional isomers only)  from the reaction of CH3CH2CH2CH2CH2CH3 with Cl2 and h?

Accepted Answer

A)   3
B)   4
C)   5
D)   6E) B) and C)
F) C) and D) A

Question 9

Which of the following statements about chlorination is true?

Accepted Answer

A)   The rate-determining step in chlorination is endothermic.
B)   The transition state resembles the product.
C)   The more stable radical is formed faster.
D)   A mixture of products results.E) All of the above
F) B) and C)

Question 10

What is the product of the following reaction?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) A) and B)
F) None of the above

Question 11

Rank the following radicals in order of increasing stability, putting the least stable first.

Accepted Answer

A)   III 
B)   I 
C)   III 
D)   I < III < IIE) C) and D)
F) All of the above

Question 12

What type of reactive intermediate is formed in the reaction of propene with N-bromosuccinimide (NBS)  to give 3-bromo-1-propene?

Accepted Answer

A)   Cyclic bromonium ion
B)   Allylic carbocation
C)   Allylic carbanion
D)   Allylic radicalE) B) and C)
F) A) and D)

Question 13

Which of the following alkenes undergoes allylic bromination to form a single monobrominated product?

Accepted Answer

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

Question 14

What is the product in the following sequence of reactions?

Accepted Answer

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

Question 15

Which of the following statements about bromination is true?

Accepted Answer

A)   The rate-determining step in bromination is exothermic.
B)   Both radicals are formed.
C)   A mixture of products results.
D)   A single radical halogenation product predominates.E) A) and B)
F) A) and C)

Question 16

What is the product in the following sequence of reactions?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) None of the above
F) B) and C)

Question 17

Identify the monomer used to make the following polymer.

Accepted Answer

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

Question 18

Select the route that would most likely produce the desired results from the given starting material. 2SO4 and heat; (2)  HBr II. (1)  KOH in ethanol; (2)  HBr III)  (1)  H2SO4 and heat; (2)  HBr + peroxides IV)  (1)  potassium tert-butoxide in tert-butanol; (2)  HBr + peroxides A)  I B)  II C)  III D)  IV" class="answers-bank-image d-inline" rel="preload" > I. (1)  H2SO4 and heat; (2)  HBr II. (1)  KOH in ethanol; (2)  HBr
III)  (1)  H2SO4 and heat; (2)  HBr + peroxides
IV)  (1)  potassium tert-butoxide in tert-butanol; (2)  HBr + peroxides

Accepted Answer

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

Question 19

What is the product of the following reaction?

Accepted Answer

A)   I
B)   II
C)   III
D)   IVE) B) and D)
F) None of the above A

Question 20

A possible reaction of ethane with chlorine is shown below.  CH3CH3+Cl2⟶CH3CH2Cl+HCl\mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } + \mathrm { Cl } _ { 2 } \longrightarrow \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Cl } + \mathrm { HCl }CH3​CH3​+Cl2​⟶CH3​CH2​Cl+HCl  This reaction could conceivably occur by the following chain mechanisms [1], [2], and [3]. The chain initiating step(s)  is (are)  _____. [1]  Cl2⟶2Cl∗\mathrm { Cl } _ { 2 } \longrightarrow 2 \mathrm { Cl }^*Cl2​⟶2Cl∗ .
[2]  Cl∗+CH3CH3⟶ slow HCl+CH3CH2∗\mathrm { Cl } ^* + \mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } \stackrel { 	ext { slow } } { \longrightarrow } \mathrm { HCl } + \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 }^*Cl∗+CH3​CH3​⟶ slow ​HCl+CH3​CH2∗​ .
[3]  CH3CH2∗+Cl2⟶ fast CH3CH2Cl+Cl∗\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } ^ { * } + \mathrm { Cl } _ { 2 } \stackrel { 	ext { fast } } { \longrightarrow } \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Cl } + \mathrm { Cl }^*CH3​CH2∗​+Cl2​⟶ fast ​CH3​CH2​Cl+Cl∗ .

Accepted Answer

A)   Only [1]
B)   Only [2]
C)   Only [3]
D)   Only [1] and [2] E) A) and D)
F) A) and C)

Exam 15: Radical Reactions

Which of the following compounds contain tertiary (3°) radical carbons?

Correct Answer
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How many monochlorination products (constitutional isomers and stereoisomers) are formed from the reaction of butane with Cl₂ and h?

Correct Answer
verified

Which of the following statements about radical reactions is not true?

Correct Answer
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Which of the following compounds contain secondary (2°) radical carbons?

Correct Answer
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Which of the indicated hydrogens is most readily abstracted in a free radical halogenation reaction?

Correct Answer
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How many monochlorination products can be formed from the reaction of (CH₃) ₃CH with Cl₂ and h?

Correct Answer
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How many allylic halides can be formed when 3-methycyclohexene undergoes allylic halogenation with one equivalent of NBS and light?

Correct Answer
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How many monochlorination products can be formed (constitutional isomers only) from the reaction of CH₃CH₂CH₂CH₂CH₂CH₃ with Cl₂ and h?

Correct Answer
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A

Which of the following statements about chlorination is true?

Correct Answer
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What is the product of the following reaction?

Correct Answer
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Rank the following radicals in order of increasing stability, putting the least stable first.

Correct Answer
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What type of reactive intermediate is formed in the reaction of propene with N-bromosuccinimide (NBS) to give 3-bromo-1-propene?

Correct Answer
verified

Which of the following alkenes undergoes allylic bromination to form a single monobrominated product?

Correct Answer
verified
A

What is the product in the following sequence of reactions?

Correct Answer
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Which of the following statements about bromination is true?

Correct Answer
verified

What is the product in the following sequence of reactions?

Correct Answer
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Identify the monomer used to make the following polymer.

Correct Answer
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Select the route that would most likely produce the desired results from the given starting material. I. (1) H₂SO₄ and heat; (2) HBr II. (1) KOH in ethanol; (2) HBr III) (1) H₂SO₄ and heat; (2) HBr + peroxides IV) (1) potassium tert-butoxide in tert-butanol; (2) HBr + peroxides

Correct Answer
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What is the product of the following reaction?

Correct Answer
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A

Correct Answer
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Exam 15: Radical Reactions

Which of the following compounds contain tertiary (3°) radical carbons?

Correct AnswerverifiedShow Answer

How many monochlorination products (constitutional isomers and stereoisomers) are formed from the reaction of butane with Cl2 and h?

Correct AnswerverifiedShow Answer

Which of the following statements about radical reactions is not true?

Correct AnswerverifiedShow Answer

Which of the following compounds contain secondary (2°) radical carbons?

Correct AnswerverifiedShow Answer

Which of the indicated hydrogens is most readily abstracted in a free radical halogenation reaction?

Correct AnswerverifiedShow Answer

How many monochlorination products can be formed from the reaction of (CH3) 3CH with Cl2 and h?

Correct AnswerverifiedShow Answer

How many allylic halides can be formed when 3-methycyclohexene undergoes allylic halogenation with one equivalent of NBS and light?

Correct AnswerverifiedShow Answer

How many monochlorination products can be formed (constitutional isomers only) from the reaction of CH3CH2CH2CH2CH2CH3 with Cl2 and h?

Correct AnswerverifiedA

Which of the following statements about chlorination is true?

Correct AnswerverifiedShow Answer

What is the product of the following reaction?

Correct AnswerverifiedShow Answer

Rank the following radicals in order of increasing stability, putting the least stable first.

Correct AnswerverifiedShow Answer

What type of reactive intermediate is formed in the reaction of propene with N-bromosuccinimide (NBS) to give 3-bromo-1-propene?

Correct AnswerverifiedShow Answer

Which of the following alkenes undergoes allylic bromination to form a single monobrominated product?

Correct AnswerverifiedA

What is the product in the following sequence of reactions?

Correct AnswerverifiedShow Answer

Which of the following statements about bromination is true?

Correct AnswerverifiedShow Answer

What is the product in the following sequence of reactions?

Correct AnswerverifiedShow Answer

Identify the monomer used to make the following polymer.

Correct AnswerverifiedShow Answer

Select the route that would most likely produce the desired results from the given starting material. I. (1) H2SO4 and heat; (2) HBr II. (1) KOH in ethanol; (2) HBr III) (1) H2SO4 and heat; (2) HBr + peroxides IV) (1) potassium tert-butoxide in tert-butanol; (2) HBr + peroxides

Correct AnswerverifiedShow Answer

What is the product of the following reaction?

Correct AnswerverifiedA

Correct AnswerverifiedShow Answer

Correct Answer
verified

How many monochlorination products (constitutional isomers and stereoisomers) are formed from the reaction of butane with Cl₂ and h?

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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How many monochlorination products can be formed from the reaction of (CH₃) ₃CH with Cl₂ and h?

Correct Answer
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Correct Answer
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How many monochlorination products can be formed (constitutional isomers only) from the reaction of CH₃CH₂CH₂CH₂CH₂CH₃ with Cl₂ and h?

Correct Answer
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A

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Select the route that would most likely produce the desired results from the given starting material. I. (1) H₂SO₄ and heat; (2) HBr II. (1) KOH in ethanol; (2) HBr III) (1) H₂SO₄ and heat; (2) HBr + peroxides IV) (1) potassium tert-butoxide in tert-butanol; (2) HBr + peroxides

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
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