Chapter 9 - Alkynes (Test Bank)

1. What is the IUPAC name of the following compound?




A. 5-propyl-3-heptyne
B. 5-isopropyl-3-heptyne
C. 5-ethyl-3-octyne
D. 4-ethyl-5-octyne

Bloom's Level: 3. Apply
Chapter: 09
Difficulty: Medium
Gradable: automatic
Section: 09.02
Subtopic: IUPAC Nomenclature of alkynes
Topic: Alkynes

2 Which of the following describes the orbital overlap of the C(1) - C(2) sigma bond of 1-butyne, shown below?
.




A. sp-sp

2 2
B. sp -sp
3 3
C. sp -sp

D. 2p-2p

Bloom's Level: 2.
Understand
Chapter
: 09
Difficulty:
Easy
Gradable:
automatic
Section:
09.04
Subtopic: Physical properties of alkynes
Topic:
Alkynes




9-1
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McGraw-Hill Education.

,3. Which of the following gives only one organic product on ozonolysis?

A. 2-hexyne
B. 3-hexyne
C. 2-heptyne
D. 3-heptyne

Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 09
Difficulty: Easy
Gradable: automatic
Section: 09.13
Subtopic: Reactions of alkynes
Topic: Alkynes

4 What is the IUPAC name of the following compound?
.




A. 2-methyl-5-propyl-3-heptyne
B.1-isopropyl-3-propyl-1-pentyne
C.5-ethyl-2-methyl-3-octyne
D. 4-ethyl-7-methyl-5-octyne

Bloom's Level: 3. Apply
Chapter: 09
Difficulty: Medium
Gradable: automatic
Section: 09.02
Subtopic: IUPAC Nomenclature of alkynes
Topic: Alkynes




9-2
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McGraw-Hill Education.

, 5.
Which one of the following describes the C(2)-C(3) sigma bond in the structure below?




A. sp-sp
2 2
B. sp -sp
3 3
C. sp -sp
D. 2p-2p

Bloom's Level: 2.
Understand
Chapt
er: 09
Difficulty:
Easy
Gradable:
automatic
Section:
09.04
Subtopic: Physical properties of alkynes
Topic:
Alkynes


6. Select the best base to quantitatively remove a proton from acetylene.

A. NaNH2
B. NH3
C. NaOH
D. NaOCH2CH3

Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Chapter: 09
Difficulty: Easy
Gradable: automatic
Section: 09.05
Subtopic: Reactions of alkynes
Topic: Alkynes

7 Arrange the following in order of decreasing base strength (strongest base first).
.




A. IV > III > II > I
B. I > II > IV > III
C. II > III > I > IV
D. II > III > IV > I




9-3
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.