Question 1

Which of the following is the correct Lewis structure for CH3(CH2)2OH?

Accepted Answer

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

Question 2

What is the relationship between the following compounds?

Accepted Answer

A)  constitutional isomers 
B)  resonance structures 
C)  conformers 
D)  identical compounds 
E)  different compounds 
A)  constitutional isomers 
B)  resonance structures 
C)  conformers 
D)  identical compounds 
E)  different compounds

Question 3

How many lone pairs of electrons are on the nitrogen atom?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  none 
A)  one 
B)  two 
C)  three 
D)  four 
E)  none

Question 4

What is the formal charge on the indicated oxygen atom in the following compound?

Accepted Answer

A)  +1 
B)  +2 
C)  -1 
D)  -2 
E)  0 
A)  +1 
B)  +2 
C)  -1 
D)  -2 
E)  0

Question 5

For the following compound identify the lone pairs and indicate if each lone pair is localized or delocalized.

Accepted Answer

The answer of For the following compound identify the lone...

Question 6

Provide the curved arrow(s) to draw a resonance structure for the following compound.

Accepted Answer

The answer of Provide the curved arrow(s) to draw a...

Question 7

Which of the following is the correct Lewis structure for (CH3)3C(CH2)2NHCH3?

Accepted Answer

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

Question 8

What is the formal charge on the indicated carbon atom?

Accepted Answer

A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2 
A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2

Question 9

Which of the following violates the rules for curved arrows?

Accepted Answer

A)  I and II 
B)  III and IV 
C)  I, and III 
D)  II, III and IV 
E)  all of these 
A)  I and II 
B)  III and IV 
C)  I, and III 
D)  II, III and IV 
E)  all of these

Question 10

For the following compound identify the lone pairs and indicate if each lone pair is localized or delocalized.

Accepted Answer

The answer of For the following compound identify the lone...

Question 11

What is the formal charge on the indicated carbon atom?

Accepted Answer

A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2 
A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2

Question 12

Which of the following compounds have a molecular formula of C2H6O?

Accepted Answer

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

Question 13

How many hydrogen atoms are connected to the indicated carbon atom?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  none 
A)  one 
B)  two 
C)  three 
D)  four 
E)  none

Question 14

How many total lone pairs of electrons are in the following compound?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  none 
A)  one 
B)  two 
C)  three 
D)  four 
E)  none

Question 15

Which of the following is a Haworth projection?

Accepted Answer

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

Question 16

Draw the curved arrow(s) for converting the first resonance structure into the second resonance structure.

Accepted Answer

The answer of Draw the curved arrow(s) for converting the...

Question 17

The indicated bond in the following compound is_____ of the paper.

Accepted Answer

A)  in the plane 
B)  out of the plane 
C)  behind the plane 
D)  None of these 
A)  in the plane 
B)  out of the plane 
C)  behind the plane 
D)  None of these

Question 18

What is the formal charge on the nitrogen atom in the following compound?

Accepted Answer

A)  -1 
B)  -2 
C)  +1 
D)  +2 
E)  0 
A)  -1 
B)  -2 
C)  +1 
D)  +2 
E)  0

Question 19

Which of the following compounds contain an amide functional group?

Accepted Answer

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

Question 20

What is the formal charge on the indicated carbon atom?

Accepted Answer

A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2 
A)  -2 
B)  -1 
C)  0 
D)  +1 
E)  +2

Exam 2: Molecular Representations

Which of the following is the correct Lewis structure for CH3(CH2)2OH?

What is the relationship between the following compounds?

How many lone pairs of electrons are on the nitrogen atom?

What is the formal charge on the indicated oxygen atom in the following compound?

For the following compound identify the lone pairs and indicate if each lone pair is localized or delocalized.

Provide the curved arrow(s) to draw a resonance structure for the following compound.

Which of the following is the correct Lewis structure for (CH3)3C(CH2)2NHCH3?

What is the formal charge on the indicated carbon atom?

Which of the following violates the rules for curved arrows?

For the following compound identify the lone pairs and indicate if each lone pair is localized or delocalized.

What is the formal charge on the indicated carbon atom?

Which of the following compounds have a molecular formula of C2H6O?

How many hydrogen atoms are connected to the indicated carbon atom?

How many total lone pairs of electrons are in the following compound?

Which of the following is a Haworth projection?

Draw the curved arrow(s) for converting the first resonance structure into the second resonance structure.

The indicated bond in the following compound is_____ of the paper.

What is the formal charge on the nitrogen atom in the following compound?

Which of the following compounds contain an amide functional group?

What is the formal charge on the indicated carbon atom?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Which of the following is the correct Lewis structure for CH₃(CH₂)₂OH?

Which of the following is the correct Lewis structure for (CH₃)₃C(CH₂)₂NHCH₃?

Which of the following compounds have a molecular formula of C₂H₆O?