Question 1

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 2

Which of the following is the correct bond-line structure for (CH3)2CHCH2C(CH3)3?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these

Question 3

Draw a bond-line structure for (CH3)2N(CH2)3CH(CH3)2.

Accepted Answer

Question 4

Tamiflu, the most effective antiviral drug used to treat avian influenza, has the following structure. Identify the functional groups in Tamiflu.

Accepted Answer

Question 5

Draw significant resonance structures for the following compound. Which of these is/are the most significant resonance structure(s)? Explain why.

Accepted Answer

@#IMG-DLM&_TB4454_00 @#IMG-DLM&_TB4454_00 Resonanc

Question 6

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 7

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 8

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 9

Amoxicillin, an antibiotic, has the following structure. Identify the functional groups in amoxicillin.

Accepted Answer

The answer of Amoxicillin, an antibiotic, has the following structure....

Question 10

The lone pair on nitrogen in the following compound is _______.

Accepted Answer

A)  localized 
B)  delocalized 
A)  localized 
B)  delocalized

Question 11

Draw a bond-line structure for CH3C≡C(CH2)3C(CH3)2CH2OCH3.

Accepted Answer

Question 12

Which of the following is a correct resonance structure for compound A?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these

Question 13

For the following equation, how many hydrogen atoms are added or lost?

Accepted Answer

A)  added one 
B)  added two 
C)  lost one 
D)  lost two 
E)  no change 
A)  added one 
B)  added two 
C)  lost one 
D)  lost two 
E)  no change

Question 14

Identify the functional groups in the following compound.

Accepted Answer

The answer of Identify the functional groups in the following...

Question 15

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 16

Label the bonds that are out of the plane and behind the plane of the paper.

Accepted Answer

The answer of Label the bonds that are out of...

Question 17

Which of the following pairs are resonance structures of each other?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these

Question 18

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

Accepted Answer

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

Question 19

Which of the following compounds contain an alcohol functional group?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  None of these

Question 20

Draw a bond-line structure for each constitutional isomer with a molecular formula of C3H8O.

Accepted Answer

Exam 2: Molecular Representations

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

Which of the following is the correct bond-line structure for (CH3)2CHCH2C(CH3)3?

Draw a bond-line structure for (CH3)2N(CH2)3CH(CH3)2.

Tamiflu, the most effective antiviral drug used to treat avian influenza, has the following structure. Identify the functional groups in Tamiflu.

Draw significant resonance structures for the following compound. Which of these is/are the most significant resonance structure(s)? Explain why.

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

What is the formal charge on the indicated carbon atom?

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

Amoxicillin, an antibiotic, has the following structure. Identify the functional groups in amoxicillin.

The lone pair on nitrogen in the following compound is _______.

Draw a bond-line structure for CH3C≡C(CH2)3C(CH3)2CH2OCH3.

Which of the following is a correct resonance structure for compound A?

For the following equation, how many hydrogen atoms are added or lost?

Identify the functional groups in the following compound.

What is the formal charge on the indicated carbon atom?

Label the bonds that are out of the plane and behind the plane of the paper.

Which of the following pairs are resonance structures of each other?

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

Which of the following compounds contain an alcohol functional group?

Draw a bond-line structure for each constitutional isomer with a molecular formula of C3H8O.

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 bond-line structure for (CH₃)₂CHCH₂C(CH₃)₃?

Draw a bond-line structure for (CH₃)₂N(CH₂)₃CH(CH₃)₂.

Draw a bond-line structure for CH₃C≡C(CH₂)₃C(CH₃)₂CH₂OCH₃.

Draw a bond-line structure for each constitutional isomer with a molecular formula of C₃H₈O.