Exam 12: Infrared Spectroscopy

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Provide the structure of three compounds with the molecular formula C₄H₈O that give an absorption peak at 1600-1640 cm^-1 in the infrared spectrum, but no significant peaks at 3000-3600 cm^-1 or at 1650-1750 cm^-1.

(Essay)

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Question 61

Which of the following processes takes place upon absorption of infrared radiation?

(Multiple Choice)

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Question 62

Which of the following functional groups is likely to be present in a molecule that has peaks in the infrared spectrum at 1000-1250 cm^-¹ (strong), but does not have peaks 3200-3650 at 1630-1820 or cm^-¹?

(Multiple Choice)

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Question 63

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ N-H, C-H, and O-H stretching and bending motions.

(Multiple Choice)

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Question 64

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ triple bond stretching vibrations.

(Multiple Choice)

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Question 65

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______

(Multiple Choice)

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Question 66

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______ CH₃CH₂OCH(CH₃)

(Multiple Choice)

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Question 67

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Provide the structure of three compounds with the molecular formula C₄H₈O that give an absorption peak at 1600-1640 cm^-1 in the infrared spectrum, but no significant peaks at 3000-3600 cm^-1 or at 1650-1750 cm^-1.

Which of the following processes takes place upon absorption of infrared radiation?

Which of the following functional groups is likely to be present in a molecule that has peaks in the infrared spectrum at 1000-1250 cm^-¹ (strong), but does not have peaks 3200-3650 at 1630-1820 or cm^-¹?

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ N-H, C-H, and O-H stretching and bending motions.

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ triple bond stretching vibrations.

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______ CH₃CH₂OCH(CH₃)

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

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

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 12: Infrared Spectroscopy

Provide the structure of three compounds with the molecular formula C4H8O that give an absorption peak at 1600-1640 cm-1 in the infrared spectrum, but no significant peaks at 3000-3600 cm-1 or at 1650-1750 cm-1.

Which of the following processes takes place upon absorption of infrared radiation?

Which of the following functional groups is likely to be present in a molecule that has peaks in the infrared spectrum at 1000-1250 cm-1 (strong), but does not have peaks 3200-3650 at 1630-1820 or cm-1?

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ N-H, C-H, and O-H stretching and bending motions.

MATCH each of the following groups of bond-types to the region of the infrared spectrum in which their absorptions occur. Place the letter of the region in the blank to the left of the bond-type. -_____ triple bond stretching vibrations.

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______ CH3CH2OCH(CH3)

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

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

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

Provide the structure of three compounds with the molecular formula C₄H₈O that give an absorption peak at 1600-1640 cm^-1 in the infrared spectrum, but no significant peaks at 3000-3600 cm^-1 or at 1650-1750 cm^-1.

Which of the following functional groups is likely to be present in a molecule that has peaks in the infrared spectrum at 1000-1250 cm^-¹ (strong), but does not have peaks 3200-3650 at 1630-1820 or cm^-¹?

MATCH each of the following molecules to the region of the infrared spectrum in which they may show a significant absorption. Place the letter of the region in the blank to the left of the bond-type. -_______ CH₃CH₂OCH(CH₃)