Question 1

C6H15N could have a mass spectrum with M+ at m/z = 101 with a minor M+1 peak.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following gives rise to a prominent peak in the mass spectrum with m/z of 43?

Accepted Answer

A) 1-hexanol 
B) 2-hexanol 
C) hexanal 
D) hexanoic acid 
A) 1-hexanol 
B) 2-hexanol 
C) hexanal 
D) hexanoic acid

Question 3

What are the most common products of the fragmentation of a molecular ion?

Accepted Answer

A) two radicals 
B) an anion and a cation 
C) a radical and a cation 
D) two cations 
A) two radicals 
B) an anion and a cation 
C) a radical and a cation 
D) two cations

Question 4

Which of the following sets of molecular ions does a dibromoalkane possess?

Accepted Answer

A) two molecular ions in a 2:1 ratio separated by two mass units 
B) two molecular ions in a 1:1 ratio separated by two mass units 
C) three molecular ions in a 1:2:1 ratio, separated by two mass units 
D) two molecular ions in a 3:1 ratio separated by two mass units 
A) two molecular ions in a 2:1 ratio separated by two mass units 
B) two molecular ions in a 1:1 ratio separated by two mass units 
C) three molecular ions in a 1:2:1 ratio, separated by two mass units 
D) two molecular ions in a 3:1 ratio separated by two mass units

Question 5

Which of the following gives rise to a prominent M - 15 peak in the mass spectrum?

Accepted Answer

A) hexane 
B) 1-chloropentane 
C) 1-pentanol 
D) 3-methylpentane 
A) hexane 
B) 1-chloropentane 
C) 1-pentanol 
D) 3-methylpentane

C₆H₁₅N could have a mass spectrum with M⁺ at m/z = 101 with a minor M+1 peak.

Which of the following gives rise to a prominent peak in the mass spectrum with m/z of 43?

What are the most common products of the fragmentation of a molecular ion?

Which of the following sets of molecular ions does a dibromoalkane possess?

Which of the following gives rise to a prominent M - 15 peak in the mass spectrum?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

Exam 14: Mass Spectrometry

C6H15N could have a mass spectrum with M+ at m/z = 101 with a minor M+1 peak.

Which of the following gives rise to a prominent peak in the mass spectrum with m/z of 43?

What are the most common products of the fragmentation of a molecular ion?

Which of the following sets of molecular ions does a dibromoalkane possess?

Which of the following gives rise to a prominent M - 15 peak in the mass spectrum?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

C₆H₁₅N could have a mass spectrum with M⁺ at m/z = 101 with a minor M+1 peak.