Filters
Question type
Study Flashcards

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


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

Correct Answer

verifed

verified

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


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

Correct Answer

verifed

verified

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?


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

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

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


A) Which of the following structures will give a base peak of 43 in mass spectrometry? A) B) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> C) D) E) none of the above
B) CH3CH2CH2CH2CH2CH3
C) Which of the following structures will give a base peak of 43 in mass spectrometry? A) B) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> C) D) E) none of the above
D) Which of the following structures will give a base peak of 43 in mass spectrometry? A) B) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> C) D) E) none of the above
E) none of the above

Correct Answer

verifed

verified

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


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

Correct Answer

verifed

verified

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


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

Correct Answer

verifed

verified

Showing 121 - 127 of 127

Related Exams

Exam 1

Remembering General Chemistry: Electronic Structure and Bonding

81 Questions

Exam 2

Acids and Bases: Central to Understanding Organic Chemistry

37 Questions

Exam 3

An Introduction to Organic Compounds

123 Questions

Exam 4

Isomers: the Arrangement of Atoms in Space

111 Questions

Exam 5

Alkenes Thermodynamics and Kinetics

76 Questions

Exam 6

Reactions of Alkenes

93 Questions

Exam 7

Reactions of Alkynes Introduction to Multistep Synthesis

119 Questions

Exam 8

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

166 Questions

Exam 9

Substitution Reactions of Alkyl Halides

118 Questions

Exam 10

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

94 Questions

Exam 11

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

100 Questions

Exam 12

Organometallic Compounds

57 Questions

Exam 13

Reactions of Alkanes, Radicals

130 Questions

Exam 15

Nmr Spectroscopy

110 Questions

Exam 16

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

128 Questions

Exam 17

Reactions of Aldehydes and Ketones

116 Questions

Exam 18

Reactions at the Alpha Carbon of Carbonyl Compounds

113 Questions

Exam 19

Reactions of Benzene and Substituted Benzenes

155 Questions

Exam 20

More About Amines Heterocylic Compounds

115 Questions

Exam 21

Carbohydrates

100 Questions

Exam 22

Amino Acids, Peptides, and Proteins

105 Questions

Exam 23

Catalysis

85 Questions

Exam 24

The Organic Mechanisms of the Coenzymes

92 Questions

Exam 25

The Chemistry of Metabolism

94 Questions

Exam 26

Nucleosides, Nucleotides, and Nucleic Acids

85 Questions

Exam 27

Synthetic Polymers

106 Questions

Exam 28

Pericyclic Reactions

92 Questions

Show Answer