1. Chlorination of pentane gives a mixture of isomers having the molecular formula
C5H11Cl. The percentage of 1-chloropentane is 22%. Assuming the secondary
hydrogens in pentane are equally reactive to monochlorination, what is the percentage
of 3-chloropentane in the mixture?
A. 48%
B. 26%
C. 22%
D. 14%
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Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Hard
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
2. Which one of the following gives a single monochlorination product?
A. 2,2-dimethylpropane
B. 2,3-dimethylbutane
C. 2,2-dimethylbutane
D. 2-methylpropane
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Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
3. Which of the following hydrocarbons has the slowest reaction rate with Br 2 and light?
A. CH4
B. CH3CH2CH3
C. CH3CH2CH2CH3
D. (CH3)3CH
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Subtopic: Radical stability
Topic: Radical Reactions
10-1
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
,4.How many monochlorination products do you expect in the following reaction?
A. two
B. three
C. four
D. five
Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
10-2
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
, 5.Which of the following is the most stable radical?
A. A
B. B
C. C
D. D
Bloom's Level: 2. Understand
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.01
Subtopic: Radical stability
Topic: Radical Reactions
10-3
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
C5H11Cl. The percentage of 1-chloropentane is 22%. Assuming the secondary
hydrogens in pentane are equally reactive to monochlorination, what is the percentage
of 3-chloropentane in the mixture?
A. 48%
B. 26%
C. 22%
D. 14%
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Hard
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
2. Which one of the following gives a single monochlorination product?
A. 2,2-dimethylpropane
B. 2,3-dimethylbutane
C. 2,2-dimethylbutane
D. 2-methylpropane
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
3. Which of the following hydrocarbons has the slowest reaction rate with Br 2 and light?
A. CH4
B. CH3CH2CH3
C. CH3CH2CH2CH3
D. (CH3)3CH
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Subtopic: Radical stability
Topic: Radical Reactions
10-1
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
,4.How many monochlorination products do you expect in the following reaction?
A. two
B. three
C. four
D. five
Bloom's Level: 3. Apply
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.04
Subtopic: Halogenation of alkanes
Topic: Radical Reactions
10-2
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
, 5.Which of the following is the most stable radical?
A. A
B. B
C. C
D. D
Bloom's Level: 2. Understand
Chapter: 10
Difficulty: Medium
Gradable: automatic
Section: 10.01
Subtopic: Radical stability
Topic: Radical Reactions
10-3
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
