Question 1

Rank the following compounds in order of decreasing boiling point,putting the compound with the highest boiling point first.

Accepted Answer

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

Question 2

Rank the following compounds in order of increasing strength of intermolecular forces.

Accepted Answer

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

Question 3

What intermolecular force is generally considered the weakest?

Accepted Answer

A) Hydrogen bonding 
B) London dispersion forces 
C) Dipole-dipole 
D) Ion-ion 
A) Hydrogen bonding 
B) London dispersion forces 
C) Dipole-dipole 
D) Ion-ion

Question 4

List the intermolecular forces present in the following molecule:

Accepted Answer

A) Van der Waals 
B) Dipole-dipole interactions 
C) Hydrogen bonding 
D) More than one of these answer choices is correct. 
A) Van der Waals 
B) Dipole-dipole interactions 
C) Hydrogen bonding 
D) More than one of these answer choices is correct.

Question 5

Which of the following alkanes is expected to have the highest melting point?

Accepted Answer

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

Question 6

Which of the following correctly matches the molecules to the names of the functional group? I. CH3OH Carboxylic acid
II) CH3CO2CH3 Ester
III) CH3COCH3 Ketone
IV) H2CO Alcohol

Accepted Answer

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

Question 7

Which of the following compounds has the highest boiling point?

Accepted Answer

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

Question 8

Which of the following structures contains an amide?

Accepted Answer

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

Question 9

Which of the following statements best describes the relationship between the surface area of a molecule and the strength of the intermolecular forces?

Accepted Answer

A) The larger the surface area,the weaker the intermolecular forces. 
B) The larger the surface area,the stronger the intermolecular forces. 
C) The smaller the surface area,the stronger the intermolecular forces. 
D) There is no relationship between surface area and intermolecular forces. 
A) The larger the surface area,the weaker the intermolecular forces. 
B) The larger the surface area,the stronger the intermolecular forces. 
C) The smaller the surface area,the stronger the intermolecular forces. 
D) There is no relationship between surface area and intermolecular forces.

Question 10

Rank the following compounds in order of decreasing melting point,putting the compound with the highest melting point first.

Accepted Answer

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

Question 11

The indicated carbon atom is:

Accepted Answer

A) Electrophilic because it is electron-deficient. 
B) Nucleophilic because it is electron-deficient. 
C) Electrophilic because it is electron-rich. 
D) Nucleophilic because it is electron-rich. 
A) Electrophilic because it is electron-deficient. 
B) Nucleophilic because it is electron-deficient. 
C) Electrophilic because it is electron-rich. 
D) Nucleophilic because it is electron-rich.

Question 12

Which of the following structures contains an alkene?

Accepted Answer

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

Question 13

Which of the following compounds is expected to be the least soluble in H2O?

Accepted Answer

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

Question 14

Which of the following molecules contain the same functional groups?

Accepted Answer

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

Question 15

What molecular features are required for soap to properly dissolve grease and oil?

Accepted Answer

A) The molecule must be large. 
B) The molecule must contain a polar head. 
C) The molecule must contain a non-polar tail. 
D) The molecule must contain both a polar head and a non-polar tail. 
A) The molecule must be large. 
B) The molecule must contain a polar head. 
C) The molecule must contain a non-polar tail. 
D) The molecule must contain both a polar head and a non-polar tail.

Question 16

Which of the following lists contains common heteroatoms found in organic molecules?

Accepted Answer

A) N,O,S,P,Cl 
B) Na,O,S,P,Cl 
C) Na,Mg,S,N,Cl 
D) Na,Mg,O,N,Cl 
A) N,O,S,P,Cl 
B) Na,O,S,P,Cl 
C) Na,Mg,S,N,Cl 
D) Na,Mg,O,N,Cl

Exam 3: Introduction to Organic Molecules and Functional Groups

Rank the following compounds in order of decreasing boiling point,putting the compound with the highest boiling point first.

Rank the following compounds in order of increasing strength of intermolecular forces.

What intermolecular force is generally considered the weakest?

List the intermolecular forces present in the following molecule:

Which of the following alkanes is expected to have the highest melting point?

Which of the following correctly matches the molecules to the names of the functional group? I. CH3OH Carboxylic acid II) CH3CO2CH3 Ester III) CH3COCH3 Ketone IV) H2CO Alcohol

Which of the following compounds has the highest boiling point?

Which of the following structures contains an amide?

Which of the following statements best describes the relationship between the surface area of a molecule and the strength of the intermolecular forces?

Rank the following compounds in order of decreasing melting point,putting the compound with the highest melting point first.

The indicated carbon atom is:

Which of the following structures contains an alkene?

Which of the following compounds is expected to be the least soluble in H2O?

Which of the following molecules contain the same functional groups?

What molecular features are required for soap to properly dissolve grease and oil?

Which of the following lists contains common heteroatoms found in organic molecules?

Structure and Bonding

Acids and Bases

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Radical Reactions

Conjugation, resonance, and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives - Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Molecular Ion Peaks and Fragmentation Patterns

Analyzing Molecular Motion and Infrared Spectroscopy

Organic Spectroscopy Concepts

Filters

Which of the following correctly matches the molecules to the names of the functional group? I. CH₃OH Carboxylic acid II) CH₃CO₂CH₃Ester III) CH₃COCH₃Ketone IV) H₂CO Alcohol

Which of the following compounds is expected to be the least soluble in H₂O?