Calculate the degree of unsaturation for C9H11N.

A) 4 B) 6 C) 2 D) 5 E) none of these A) 4 B) 6 C) 2 D) 5 E) none of these

Calculate the degree of unsaturation for C11H8ClBrO.

A) 4 B) 6 C) 7 D) 8 E) 10 A) 4 B) 6 C) 7 D) 8 E) 10

Exam 15: Infrared Spectroscopy and Mass Spectrometry

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

(Multiple Choice)

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Question 21

Which of the following information is primarily obtained from infrared spectroscopy?

(Multiple Choice)

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Question 22

Calculate the degree of unsaturation for C₉H₁₁N.

(Multiple Choice)

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Question 23

Which of the following is currently used to indicate the location of a signal on an IR spectrum?

(Multiple Choice)

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Question 24

Which one of the following compounds will have the lowest wavenumber for carbonyl absorption?

(Multiple Choice)

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Question 25

Calculate the degree of unsaturation for C₁₁H₈ClBrO.

(Multiple Choice)

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Question 26

Which of the following is expected to be the base peak in the mass spectrum of CH₃(CH₂)₄OH?

(Multiple Choice)

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Question 27

Which of the following compounds will have a base peak at m/z=43?

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Question 28

Which molecular formula is consistent with the following mass spectrum data? M⁺ ^. at m/z= 108,relative height=61.5% (M+1)⁺ ^. at m/z= 109,relative height=1.5% (M+2)⁺ ^. at m/z= 110,relative height=61.3%

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Question 29

Which of the following is true about the (M+1)⁺ ^. peak on the mass spectrum of a hydrocarbon?

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Question 30

Propose possible structure(s)for a compound with molecular formula C₄H₇N that shows absorption at 2250 cm^-1 in its IR spectrum.

(Essay)

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Question 31

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

(Multiple Choice)

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Question 32

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

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Question 33

Which of the following is expected to be the base peak in the mass spectrum of 2-methyl-2-butanol?

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Question 34

Which molecular formula is consistent with the following mass spectrum data? M⁺ ^. at m/z= 84,relative height=10.0% (M+1)⁺ ^. at m/z= 85,relative height=0.56%

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Question 35

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

(Multiple Choice)

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Question 36

Which of the following is true about the IR spectrum of the following compound?

(Multiple Choice)

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Question 37

Which of the following compounds will have the lowest wavenumber for carbonyl absorption?

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Question 38

Which of the following corresponds to the functional group region on an IR spectrum?

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Question 39

A compound with molecular formula C₆H₁₀O,shows absorptions at 1720 cm^-1 and at 2980 cm^-1 on the IR spectrum.Propose a possible structure for this compound.

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Question 40

Showing 21 - 40 of 108

Exam 15: Infrared Spectroscopy and Mass Spectrometry

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 information is primarily obtained from infrared spectroscopy?

Calculate the degree of unsaturation for C9H11N.

Which of the following is currently used to indicate the location of a signal on an IR spectrum?

Which one of the following compounds will have the lowest wavenumber for carbonyl absorption?

Calculate the degree of unsaturation for C11H8ClBrO.

Which of the following is expected to be the base peak in the mass spectrum of CH3(CH2)4OH?

Which of the following compounds will have a base peak at m/z=43?

Which molecular formula is consistent with the following mass spectrum data? M+ . at m/z= 108,relative height=61.5% (M+1)+ . at m/z= 109,relative height=1.5% (M+2)+ . at m/z= 110,relative height=61.3%

Which of the following is true about the (M+1)+ . peak on the mass spectrum of a hydrocarbon?

Propose possible structure(s)for a compound with molecular formula C4H7N that shows absorption at 2250 cm-1 in its IR spectrum.

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

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

Which of the following is expected to be the base peak in the mass spectrum of 2-methyl-2-butanol?

Which molecular formula is consistent with the following mass spectrum data? M+ . at m/z= 84,relative height=10.0% (M+1)+ . at m/z= 85,relative height=0.56%

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 is true about the IR spectrum of the following compound?

Which of the following compounds will have the lowest wavenumber for carbonyl absorption?

Which of the following corresponds to the functional group region on an IR spectrum?

A compound with molecular formula C6H10O,shows absorptions at 1720 cm-1 and at 2980 cm-1 on the IR spectrum.Propose a possible structure for this compound.

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

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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

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Alpha Carbon Chemistry: Enols and Enolates

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Calculate the degree of unsaturation for C₉H₁₁N.

Calculate the degree of unsaturation for C₁₁H₈ClBrO.

Which of the following is expected to be the base peak in the mass spectrum of CH₃(CH₂)₄OH?

Which molecular formula is consistent with the following mass spectrum data? M⁺ ^. at m/z= 108,relative height=61.5% (M+1)⁺ ^. at m/z= 109,relative height=1.5% (M+2)⁺ ^. at m/z= 110,relative height=61.3%

Which of the following is true about the (M+1)⁺ ^. peak on the mass spectrum of a hydrocarbon?

Propose possible structure(s)for a compound with molecular formula C₄H₇N that shows absorption at 2250 cm^-1 in its IR spectrum.

Which molecular formula is consistent with the following mass spectrum data? M⁺ ^. at m/z= 84,relative height=10.0% (M+1)⁺ ^. at m/z= 85,relative height=0.56%

A compound with molecular formula C₆H₁₀O,shows absorptions at 1720 cm^-1 and at 2980 cm^-1 on the IR spectrum.Propose a possible structure for this compound.