Introduction To General, Organic, And Biochemistry 10th Edition By Katherine Denniston – Test Bank

Chapter 11 The Unsaturated Hydrocarbons: Alkenes, Alkynes, and Aromatics

1) Which of the following best describes the changes that occurred in the reaction shown below?

A) An H atom and an -OH group have been added to the reactant.
B) An -OH group has been added to the reactant.
C) An -OH group has replaced an H atom on the ring.
D) Two H atoms have been added.
E) An -OH group has replaced a carbon atom on the ring.

Answer: A
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Understand
Section number: 11.01
Accessibility: Keyboard Navigation
Subtopic: Reactions of Alkenes

2) An organic compound is classified as aromatic if it fits which of the following criteria?
A) It is fragrant.
B) It is cyclic.
C) It contains at least one C=C bond.
D) It contains a benzene ring.
E) It follows Markovnikov’s rule.

Answer: D
Difficulty: 1 Easy
Topic: Unsaturated Hydrocarbons
Bloom’s: Remember
Section number: 11.06
Accessibility: Keyboard Navigation
Subtopic: Structure and Properties of Aromatic Compounds

3) What is the IUPAC name of HC≡CH?
A) acetyne
B) butyne
C) ethyne
D) diyne
E) triyne

Answer: C
Difficulty: 1 Easy
Topic: Unsaturated Hydrocarbons
Bloom’s: Apply
Section number: 11.02
Accessibility: Keyboard Navigation
Subtopic: Alkyne Nomenclature

4) What is the product of the reaction shown below?

A)

B)

C)

D)

E)

Answer: B
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Apply
Section number: 11.05
Accessibility: Keyboard Navigation
Subtopic: Reactions of Alkenes

5) What is the IUPAC name of the compound shown below?

A) heptyne
B) butyl methyl ethene
C) 1-methyl-2-butyl ethyne
D) 2-hexene
E) 2-heptyne

Answer: E
Difficulty: 1 Easy
Topic: Unsaturated Hydrocarbons
Bloom’s: Apply
Section number: 11.02
Accessibility: Keyboard Navigation
Subtopic: Alkyne Nomenclature

6) What is true about a compound with the name 3,3-dimethyl-1-butyne?
A) It is aromatic.
B) It contains a carbonyl group.
C) It contains a carbon-carbon double bond.
D) It contains a carbon-carbon triple bond.
E) It contains a benzene ring.

Answer: D
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Analyze
Section number: 11.02
Accessibility: Keyboard Navigation
Subtopic: Alkyne Nomenclature

7) Which statement concerning the structure of the compound 1-ethylcyclohexene is FALSE?
A) It contains a ring of six carbons.
B) It contains one C=C.
C) It contains a two-carbon alkyl substituent on the parent chain.
D) It is an alkene.
E) All of these are correct.

Answer: E
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Analyze
Section number: 11.02
Accessibility: Keyboard Navigation
Subtopic: Alkene Nomenclature

8) Which of the following compounds exists as cis-trans isomers?
A) 1-pentene
B) butane
C) 2-methyl-1-butene
D) 3-hexene
E) 2,3-dimethyl-2-butene

Answer: D
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Apply
Section number: 11.03
Accessibility: Keyboard Navigation
Subtopic: Cis-Trans Isomers for Alkenes

9) Which compound shown below is NOT an isomer of the molecular formula C5H8?
A)

B)

C)

D)

E)

Answer: C
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Apply
Section number: 11.01
Accessibility: Keyboard Navigation
Subtopic: Structure and Properties of Alkynes; Structure and Properties of Alkenes

10) What is the relationship between the two compounds shown below?

A) They are identical.
B) They are geometric isomers.
C) They are constitutional isomers.
D) They are conformational isomers.
E) They are not related.

Answer: B
Difficulty: 2 Medium
Topic: Unsaturated Hydrocarbons
Bloom’s: Understand
Section number: 11.03
Accessibility: Keyboard Navigation
Subtopic: Cis-Trans Isomers for Alkenes