Question 1

Which of the following alkene groups will produce the strongest signal?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 2

Which one of the following compounds is consistent with the following IR spectrum?   SDBS: National Institute of Advanced Industrial Science and Technology

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 3

For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product?

Accepted Answer

A)  absorption at 2250 cm-1 should disappear 
B)  absorption at 3200-3400 cm-1 and 1720cm-1 should appear 
C)  absorption at 2250 cm-1 should disappear, new absorptions at 2600-2800 cm-1 and 1720 cm-1 should appear. 
D)  absorption at 2250 cm-1 should disappear, a new absorption around 3400 cm-1 should appear. 
E)  none of these 
A)  absorption at 2250 cm-1 should disappear 
B)  absorption at 3200-3400 cm-1 and 1720cm-1 should appear 
C)  absorption at 2250 cm-1 should disappear, new absorptions at 2600-2800 cm-1 and 1720 cm-1 should appear. 
D)  absorption at 2250 cm-1 should disappear, a new absorption around 3400 cm-1 should appear. 
E)  none of these

Question 4

Which one of the following compounds is consistent with the following IR spectrum?   SDBS: National Institute of Advanced Industrial Science and Technology

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 5

Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum?

Accepted Answer

A)  1500-4000cm-1 
B)  400-4000cm-1 
C)  400-1500cm-1 
D)  1500-2500cm-1 
E)  none of these 
A)  1500-4000cm-1 
B)  400-4000cm-1 
C)  400-1500cm-1 
D)  1500-2500cm-1 
E)  none of these

Question 6

Carboxylic acids show a very broad absorption for the OH compared to alcohols, because they can form a ______.

Accepted Answer

A)  dimer 
B)  polymer 
C)  trimer 
D)  tetramer 
A)  dimer 
B)  polymer 
C)  trimer 
D)  tetramer

Question 7

Arrange the following electromagnetic radiation in decreasing (highest to lowest) order of wavelength.

Accepted Answer

A)  V>III>IV>II>I 
B)  II>V>III>IV>I 
C)  I>IV>III>V>II 
D)  V>II>IV>III>I 
E)  II>IV>V>III>I 
A)  V>III>IV>II>I 
B)  II>V>III>IV>I 
C)  I>IV>III>V>II 
D)  V>II>IV>III>I 
E)  II>IV>V>III>I

Question 8

Which of the following electromagnetic radiation has the highest frequency?

Accepted Answer

A)  UV 
B)  X-ray 
C)  IR 
D)  microwave 
E)  visible 
A)  UV 
B)  X-ray 
C)  IR 
D)  microwave 
E)  visible

Question 9

How can you distinguish between cyclohexanol and cyclohexanecarboxylic acid using IR spectroscopy?

Accepted Answer

The OH absorption for the carb

Which of the following alkene groups will produce the strongest signal?

Which one of the following compounds is consistent with the following IR spectrum? SDBS: National Institute of Advanced Industrial Science and Technology

For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product?

Which one of the following compounds is consistent with the following IR spectrum? SDBS: National Institute of Advanced Industrial Science and Technology

Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum?

Carboxylic acids show a very broad absorption for the OH compared to alcohols, because they can form a ______.

Arrange the following electromagnetic radiation in decreasing (highest to lowest) order of wavelength.

Which of the following electromagnetic radiation has the highest frequency?

How can you distinguish between cyclohexanol and cyclohexanecarboxylic acid using IR spectroscopy?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Exam 15: Infrared Spectroscopy and Mass Spectrometry

Which of the following alkene groups will produce the strongest signal?

Which one of the following compounds is consistent with the following IR spectrum? SDBS: National Institute of Advanced Industrial Science and Technology

For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product?

Which one of the following compounds is consistent with the following IR spectrum? SDBS: National Institute of Advanced Industrial Science and Technology

Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum?

Carboxylic acids show a very broad absorption for the OH compared to alcohols, because they can form a ______.

Arrange the following electromagnetic radiation in decreasing (highest to lowest) order of wavelength.

Which of the following electromagnetic radiation has the highest frequency?

How can you distinguish between cyclohexanol and cyclohexanecarboxylic acid using IR spectroscopy?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Substitution Reactions

Alkenes: Structure and Preparation Via Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters