Question 1

Explain why alkanes are generally considered unreactive compounds.

Accepted Answer

They are unreactive ...

Question 2

When (R) -2-bromobutane reacts with Cl2/hv, which of the following is true? 2/hv, which of the following is true?   A) I is formed. B) II is formed. C) I and II are formed in equal amounts. D) I and II are formed in unequal amounts. E) I and II could never form under these conditions." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I is formed.
B)  II is formed.
C)  I and II are formed in equal amounts.
D)  I and II are formed in unequal amounts.
E)  I and II could never form under these conditions.

Question 3

An unknown sample is suspected of being either ethane or isobutane. How would you distinguish between the two alkanes?

Accepted Answer

A kinetic study of the rate of...

Question 4

Predict the major monobromination product in the following reaction.
(CH3)3CCH2CH3 + Br2

Accepted Answer

Question 5

Provide the major organic product of the reaction below.

Accepted Answer

The answer of Provide the major organic product of the...

Question 6

Complete the following tree of reactions by supplying the missing reagents:

Accepted Answer

a) NBS/heat
b) HBr
c...

Question 7

Which of the following represents the best preparation of 2-cyclopentenol from cyclopentane?

Accepted Answer

A)  1)  Br2, hυ 2. NaOCH3 3. NBS, CCl4 4. H2O
B)  1)  NBS, CCl4 2. Br2, CCl4 3. NaOH
C)  1)  Br2, hυ 2. H2O2
D)  1)  NBS, CCl4 2. NaOCH3 3. H2O2
E)  1)  NBS, CCl4 2. H2O2 3. Br2, CCl4 4. NaOCH3

Question 8

Calculate the percentages of each product in the following reaction.

Accepted Answer

A = 0.09%
B = 4.86%
...

Question 9

What is the major product of the following reaction?

Accepted Answer

A)  I
B)  II
C)  III
D)  IV
E)  V

Question 10

Species with unpaired electrons are called ________.

Accepted Answer

radicals o...

Question 11

Name each distinct alkyl chloride (including stereoisomers)that can be generated from monochlorination of 2,2-dimethylbutane.

Accepted Answer

1-chloro-2,2-dimethylbutane
(R...

Question 12

Which of the following is a chain propagation step in the free radical chlorination of methane?

Accepted Answer

A)  CH4 + Cl ∙ → ∙ CH3 + HCl
B)  Cl2 → 2 Cl ∙
C)  Cl ∙ + ∙ CH3 → CH3Cl
D)  ∙ CH3 + CH4 → CH4 + ∙CH3

Question 13

Give the best product for the following reaction.

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 14

Chlorination of methane can result in a mixture of chlorinated products. What experimental conditions should be used to favor the production of chloromethane over the other chlorinated products?

Accepted Answer

Make sure the molar ...

Question 15

Which of the following reactions is a termination step in the free radical chlorination of methane?

Accepted Answer

A)  Cl2 + Cl ∙ → Cl ∙ + Cl2
B)  Cl2 → 2 Cl ∙
C)  ∙ CH3 + Cl ∙ → CH3Cl
D)  CH4 + Cl ∙ → HCl + ∙ CH3

Question 16

Predict the major monobromination product in the following reaction.

Accepted Answer

The answer of Predict the major monobromination product in the...

Question 17

What sequence of reagents can be used to accomplish the conversion shown below?

Accepted Answer

1. H₂SO₄, △
...

Question 18

Which is more stable, a tertiary alkyl radical or a benzylic radical? Explain.

Accepted Answer

A benzylic radical is more sta...

Question 19

Provide a series of synthetic steps by which (CH3)2C=CH2 could be prepared from 2-methylpropane.

Accepted Answer

1. Br₂, hυ
...

Question 20

Give the steps needed for the following reaction.

Accepted Answer

The answer of Give the steps needed for the following...

Exam 13: Reactions of Alkanes, Radicals

An unknown sample is suspected of being either ethane or isobutane. How would you distinguish between the two alkanes?

Correct AnswerverifiedA kinetic study of the rate of...View AnswerShow Answer

Give the steps needed for the following reaction.

Correct AnswerverifiedShow Answer

Which of the following is a chain propagation step in the free radical chlorination of methane?

Correct AnswerverifiedShow Answer

Chlorination of methane can result in a mixture of chlorinated products. What experimental conditions should be used to favor the production of chloromethane over the other chlorinated products?

Correct AnswerverifiedMake sure the molar ...View AnswerShow Answer

What is the major product of the following reaction?

Correct AnswerverifiedShow Answer

Predict the major monobromination product in the following reaction.

Correct AnswerverifiedShow Answer

Provide a series of synthetic steps by which (CH3)2C=CH2 could be prepared from 2-methylpropane.

Correct Answerverified1. Br2, hυ...View AnswerShow Answer

When (R) -2-bromobutane reacts with Cl2/hv, which of the following is true?

Correct AnswerverifiedShow Answer

Which of the following represents the best preparation of 2-cyclopentenol from cyclopentane?

Correct AnswerverifiedShow Answer

Complete the following tree of reactions by supplying the missing reagents:

Correct Answerverifieda) NBS/heatb) HBrc...View AnswerShow Answer

Name each distinct alkyl chloride (including stereoisomers)that can be generated from monochlorination of 2,2-dimethylbutane.

Correct Answerverified1-chloro-2,2-dimethylbutane(R...View AnswerShow Answer

Predict the major monobromination product in the following reaction. (CH3)3CCH2CH3 + Br2

Correct AnswerverifiedShow Answer

Which is more stable, a tertiary alkyl radical or a benzylic radical? Explain.

Correct AnswerverifiedA benzylic radical is more sta...View AnswerShow Answer

Provide the major organic product of the reaction below.

Correct AnswerverifiedShow Answer

Calculate the percentages of each product in the following reaction.

Correct AnswerverifiedA = 0.09%B = 4.86%...View AnswerShow Answer

What sequence of reagents can be used to accomplish the conversion shown below?

Correct Answerverified1. H2SO4, △...View AnswerShow Answer

Species with unpaired electrons are called ________.

Correct Answerverifiedradicals o...View AnswerShow Answer

Give the best product for the following reaction.

Correct AnswerverifiedShow Answer

Explain why alkanes are generally considered unreactive compounds.

Correct AnswerverifiedThey are unreactive ...View AnswerShow Answer

Which of the following reactions is a termination step in the free radical chlorination of methane?

Correct AnswerverifiedShow Answer

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A kinetic study of the rate of...
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Make sure the molar ...
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Provide a series of synthetic steps by which (CH₃)₂C=CH₂ could be prepared from 2-methylpropane.

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1. Br₂, hυ
...
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When (R) -2-bromobutane reacts with Cl₂/hv, which of the following is true?

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a) NBS/heat
b) HBr
c...
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1-chloro-2,2-dimethylbutane
(R...
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Predict the major monobromination product in the following reaction. (CH₃)₃CCH₂CH₃ + Br₂

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A benzylic radical is more sta...
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A = 0.09%
B = 4.86%
...
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1. H₂SO₄, △
...
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radicals o...
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They are unreactive ...
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