Question 1

Of the following solvents which one does not have a zero dipole moment?

Accepted Answer

A) Pentane 
B) Cyclohexane 
C) Diethyl ether 
D) Cyclopentane 
E) None of these choices. 
A) Pentane 
B) Cyclohexane 
C) Diethyl ether 
D) Cyclopentane 
E) None of these choices.

Question 2

What alkyl groups make up the following 3o amine?

Accepted Answer

A) sec-butyl,ethyl,propyl 
B) isobutyl,isopropyl,ethyl 
C) sec-butyl,ethyl,isopropyl 
D) butyl,ethyl,propyl 
E) None of these choices. 
A) sec-butyl,ethyl,propyl 
B) isobutyl,isopropyl,ethyl 
C) sec-butyl,ethyl,isopropyl 
D) butyl,ethyl,propyl 
E) None of these choices.

Question 3

The IR absorption frequencies of the C-H bond in alkanes,alkenes,and alkynes are measurably different.Briefly explain why.

Accepted Answer

IR absorption frequency depends on bond

Question 4

Which of these compounds would have the highest boiling point?

Accepted Answer

A) CH3OCH2CH2CH2OCH3 
B) CH3CH2OCH2CH2OCH3 
C) CH3CH2OCH2OCH2CH3 
D)    
E) HOCH2CH2CH2CH2CH2OH 
A) CH3OCH2CH2CH2OCH3 
B) CH3CH2OCH2CH2OCH3 
C) CH3CH2OCH2OCH2CH3 
D)    
E) HOCH2CH2CH2CH2CH2OH

Question 5

Which compound is a primary amine with the formula C5H13N?

Accepted Answer

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

Question 6

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

Accepted Answer

A) A peak around 3300 cm-1 would appear and nothing new would appear. 
B) A peak around 1710 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
C) A peak around 2150 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
D) No change would be observed. 
E) None of these choices. 
A) A peak around 3300 cm-1 would appear and nothing new would appear. 
B) A peak around 1710 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
C) A peak around 2150 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
D) No change would be observed. 
E) None of these choices.

Question 7

Carbon dioxide has a higher boiling point than carbon disulfide due to its dipole-dipole forces.

Accepted Answer

A) True 
 B)False

Question 8

What alkyl group is attached to the oxygen in the following ester?

Accepted Answer

A) ethyl 
B) propyl 
C) sec-propyl 
D) isopropyl 
E) None of these choices. 
A) ethyl 
B) propyl 
C) sec-propyl 
D) isopropyl 
E) None of these choices.

Question 9

The IR stretching frequency can be predicted to occur at the highest frequency for which of these bonds?

Accepted Answer

A) C-H 
B) C-F 
C) C-Cl 
D) C-Br 
E) C-I 
A) C-H 
B) C-F 
C) C-Cl 
D) C-Br 
E) C-I

Question 10

What functional group is present in the following compound?

Accepted Answer

A) alcohol 
B) ketone 
C) aldehyde 
D) ester 
E) ether 
A) alcohol 
B) ketone 
C) aldehyde 
D) ester 
E) ether

Question 11

Draw all of the acyclic secondary amines that have the chemical formula C4H9N.

Accepted Answer

Of the following solvents which one does not have a zero dipole moment?

What alkyl groups make up the following 3^o amine?

The IR absorption frequencies of the C-H bond in alkanes,alkenes,and alkynes are measurably different.Briefly explain why.

Which of these compounds would have the highest boiling point?

Which compound is a primary amine with the formula C₅H₁₃N?

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

Carbon dioxide has a higher boiling point than carbon disulfide due to its dipole-dipole forces.

What alkyl group is attached to the oxygen in the following ester?

The IR stretching frequency can be predicted to occur at the highest frequency for which of these bonds?

What functional group is present in the following compound?

Draw all of the acyclic secondary amines that have the chemical formula C₄H₉N.

The Basics

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Exam 2: Families of Carbon

Of the following solvents which one does not have a zero dipole moment?

What alkyl groups make up the following 3o amine?

The IR absorption frequencies of the C-H bond in alkanes,alkenes,and alkynes are measurably different.Briefly explain why.

Which of these compounds would have the highest boiling point?

Which compound is a primary amine with the formula C5H13N?

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

Carbon dioxide has a higher boiling point than carbon disulfide due to its dipole-dipole forces.

What alkyl group is attached to the oxygen in the following ester?

The IR stretching frequency can be predicted to occur at the highest frequency for which of these bonds?

What functional group is present in the following compound?

Draw all of the acyclic secondary amines that have the chemical formula C4H9N.

The Basics

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

What alkyl groups make up the following 3^o amine?

Which compound is a primary amine with the formula C₅H₁₃N?

Draw all of the acyclic secondary amines that have the chemical formula C₄H₉N.