Question 1

Which of the following functional groups will exhibit no IR absorption at 1630 - 1780 cm-1 or at 3200 - 3550 cm-1?

Accepted Answer

A) an alcohol 
B) an amide 
C) a ketone 
D) an aldehyde 
E) an ether 
A) an alcohol 
B) an amide 
C) a ketone 
D) an aldehyde 
E) an ether

Question 2

Which region of the electromagnetic spectrum, IR or UV, contains photons of the higher energy?

Accepted Answer

The answer of Which region of the electromagnetic spectrum, IR...

Question 3

What m/z value would you predict for the most stable fragment peak in the mass spectrum of 4-ethylheptane?

Accepted Answer

A) 128 
B) 127 
C) 113 
D) 99 
E) 85 
A) 128 
B) 127 
C) 113 
D) 99 
E) 85

Question 4

Which of the following statements best describes the meaning of the following species: [CH3CH2CH3] ∙ + ?

Accepted Answer

A) It is the molecular ion of propane. 
B) It is the parent ion of propane. 
C) It is the radical cation of propane. 
D) The m/z value is 44. 
E) all of the above 
A) It is the molecular ion of propane. 
B) It is the parent ion of propane. 
C) It is the radical cation of propane. 
D) The m/z value is 44. 
E) all of the above

Question 5

Which of the following structures will give a base peak of 43 in mass spectrometry?

Accepted Answer

A)    
B) CH3CH2CH2CH2CH2CH3 
C)    
D)    
E) none of the above 
A)    
B) CH3CH2CH2CH2CH2CH3 
C)    
D)    
E) none of the above

Question 6

Give the m/z ratio that corresponds to the molecular ion in the mass spectrum of 2-pentanone.

Accepted Answer

A) 28 
B) 43 
C) 58 
D) 71 
E) 86 
A) 28 
B) 43 
C) 58 
D) 71 
E) 86

Question 7

When cyclopentanol is treated with chromic acid, the alcohol is oxidized to cyclopentanone. Which m/z peak is expected to be the base peak of cyclopentanone?

Accepted Answer

A) 55 
B) 43 
C) 29 
D) 84 
E) 85 
A) 55 
B) 43 
C) 29 
D) 84 
E) 85

Which of the following functional groups will exhibit no IR absorption at 1630 - 1780 cm^-1 or at 3200 - 3550 cm^-1?

Which region of the electromagnetic spectrum, IR or UV, contains photons of the higher energy?

What m/z value would you predict for the most stable fragment peak in the mass spectrum of 4-ethylheptane?

Which of the following statements best describes the meaning of the following species: [CH₃CH₂CH₃] ∙ + ?

Which of the following structures will give a base peak of 43 in mass spectrometry?

Give the m/z ratio that corresponds to the molecular ion in the mass spectrum of 2-pentanone.

When cyclopentanol is treated with chromic acid, the alcohol is oxidized to cyclopentanone. Which m/z peak is expected to be the base peak of cyclopentanone?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Exam 14: Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Which of the following functional groups will exhibit no IR absorption at 1630 - 1780 cm-1 or at 3200 - 3550 cm-1?

Which region of the electromagnetic spectrum, IR or UV, contains photons of the higher energy?

What m/z value would you predict for the most stable fragment peak in the mass spectrum of 4-ethylheptane?

Which of the following statements best describes the meaning of the following species: [CH3CH2CH3] ∙ + ?

Which of the following structures will give a base peak of 43 in mass spectrometry?

Give the m/z ratio that corresponds to the molecular ion in the mass spectrum of 2-pentanone.

When cyclopentanol is treated with chromic acid, the alcohol is oxidized to cyclopentanone. Which m/z peak is expected to be the base peak of cyclopentanone?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Which of the following functional groups will exhibit no IR absorption at 1630 - 1780 cm^-1 or at 3200 - 3550 cm^-1?

Which of the following statements best describes the meaning of the following species: [CH₃CH₂CH₃] ∙ + ?