Question 1

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

Question 2

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

Accepted Answer

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

Question 3

Which of the following compounds has the lowest boiling point?

Accepted Answer

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

Question 4

Which of the following statements about vitamin C, drawn below, are true?

Accepted Answer

A)  Vitamin C is insoluble in H2O. 
B)  Vitamin C is soluble in H2O. 
C)  Vitamin C is an aliphatic hydrocarbon. 
D)  Vitamin C contains a ketone functional group. 
A)  Vitamin C is insoluble in H2O. 
B)  Vitamin C is soluble in H2O. 
C)  Vitamin C is an aliphatic hydrocarbon. 
D)  Vitamin C contains a ketone functional group.

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 groups? 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

The indicated bond is:

Accepted Answer

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

Question 8

Which of the following correctly matches the molecules to the names of the functional groups? I.
CH3OCH3
Ether
II)
CH3CONH2
Amine
III)
CH3SH
Thiol
IV)
CH3CHO
Alcohol

Accepted Answer

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

Question 9

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 10

The indicated bond is:

Accepted Answer

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

Question 11

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 12

Which of the following intermolecular forces would not form between similar molecules of the structure below?

Accepted Answer

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

Question 13

Which of the following compounds would be expected to be more soluble in hexane (C6H14)?

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? $$\mathrm { CH } _ { 3 } \mathrm { CH } \left( \mathrm { NH } _ { 2 } \right) \mathrm { CH } _ { 3 } \quad \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } \quad \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CONH } _ { 2 } \quad \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { NHCH } _ { 3 }$$
$$\mathrm { I }\quad\quad\quad\quad\quad\quad\mathrm { II }\quad\quad\quad\quad\quad\quad\mathrm { III }\quad\quad\quad\quad\quad\quad\mathrm { IV }$$

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

Why do F1F1F1S1F1F1F10 bonds confer reactivity on a particular molecule?

Accepted Answer

A)  Because F1F1F1S1F1F1F10 bonds are difficult to break in chemical reactions. 
B)  Because F1F1F1S1F1F1F10 bonds make a molecule an acid. 
C)  Because F1F1F1S1F1F1F10 bonds are easily broken in chemical reactions. 
D)  Because F1F1F1S1F1F1F10 bonds make a molecule an electrophile. 
A)  Because F1F1F1S1F1F1F10 bonds are difficult to break in chemical reactions. 
B)  Because F1F1F1S1F1F1F10 bonds make a molecule an acid. 
C)  Because F1F1F1S1F1F1F10 bonds are easily broken in chemical reactions. 
D)  Because F1F1F1S1F1F1F10 bonds make a molecule an electrophile.

Question 16

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 17

Why do heteroatoms confer reactivity on a particular molecule?

Accepted Answer

A)  Because they have lone pairs and create electron-rich sites on carbon. 
B)  Because they have lone pairs and create electron-deficient sites on carbon. 
C)  Because they are electronegative and act as electrophiles. 
D)  Because they are electropositive and act as nucleophiles. 
A)  Because they have lone pairs and create electron-rich sites on carbon. 
B)  Because they have lone pairs and create electron-deficient sites on carbon. 
C)  Because they are electronegative and act as electrophiles. 
D)  Because they are electropositive and act as nucleophiles.

Question 18

Which of the following compounds can form intermolecular hydrogen bonds with a molecule similar to itself?

Accepted Answer

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

Question 19

Consider the molecule donepezil (used to treat Alzheimer's disease). Which of the following lists the correct functional groups present in donepezil?

Accepted Answer

A)  Amide, aromatic, ether, ketone. 
B)  Amide, aromatic, ester, ketone. 
C)  Amine, aromatic, ester, ketone. 
D)  Amine, aromatic, ether, ketone. 
A)  Amide, aromatic, ether, ketone. 
B)  Amide, aromatic, ester, ketone. 
C)  Amine, aromatic, ester, ketone. 
D)  Amine, aromatic, ether, ketone.

Question 20

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

Exam 3: Introduction to Organic Molecules and Functional Groups

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

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

Which of the following compounds has the lowest boiling point?

Which of the following statements about vitamin C, drawn below, are true?

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 groups? I. CH3OH Carboxylic acid II) CH3CO2CH3 Ester III) CH3COCH3 Ketone IV) H2CO Alcohol

The indicated bond is:

Which of the following correctly matches the molecules to the names of the functional groups? I. CH3OCH3 Ether II) CH3CONH2 Amine III) CH3SH Thiol IV) CH3CHO Alcohol

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

The indicated bond is:

Which of the following compounds has the highest boiling point?

Which of the following intermolecular forces would not form between similar molecules of the structure below?

Which of the following compounds would be expected to be more soluble in hexane (C6H14)?

Why do  bonds confer reactivity on a particular molecule?

What intermolecular force is generally considered the weakest?

Why do heteroatoms confer reactivity on a particular molecule?

Which of the following compounds can form intermolecular hydrogen bonds with a molecule similar to itself?

Consider the molecule donepezil (used to treat Alzheimer's disease). Which of the following lists the correct functional groups present in donepezil?

Which of the following structures contains an amide?

Structure and Bonding

Acids and Bases

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols, Ethers and Epoxides

Alkenes

Alkynes

Oxidation and Reduction

Mass Spectrometry and Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Radical Reactions

Conjugation, Resonance, and Dienes

Benzene and Aromatic Compounds

Electrophilic Aromatic Substitution

Carboxylic Acids and the Acidity of the O-H Bond

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones Nucleophilic Addition

Carboxylic Acids and Derivatives

Substitution Reactions of Carbonyl Compounds at the Alpha-Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Lipids

Synthetic Polymers

Filters

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

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

Which of the following correctly matches the molecules to the names of the functional groups? I. CH₃OCH₃ Ether II) CH₃CONH₂ Amine III) CH₃SH Thiol IV) CH₃CHO Alcohol

Which of the following compounds would be expected to be more soluble in hexane (C₆H₁₄)?