Question 1

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 2

Which of the following is/are correct resonance structure(s) for compound A?

Accepted Answer

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

Question 3

Which of the following compounds contain a thiol functional group?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of the above 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  none of the above

Question 4

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 5

Resonance structures have _______ connectivity of atoms and _______ distribution of electrons.

Accepted Answer

A)  different, same 
B)  same, same 
C)  different, different 
D)  same, different 
E)  None of these 
A)  different, same 
B)  same, same 
C)  different, different 
D)  same, different 
E)  None of these

Question 6

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 7

Which of the following compounds contain a ketone functional group?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  All of these 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  All of these

Question 8

The spreading of positive or negative charge over two or more atoms in a compound is called_______.

Accepted Answer

A)  isomerism 
B)  delocalization 
C)  stereoisomerism 
D)  localization 
E)  None of these 
A)  isomerism 
B)  delocalization 
C)  stereoisomerism 
D)  localization 
E)  None of these

Question 9

Which of the following compounds contain an amine 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 10

Which of the following is the correct Lewis structure for the following compound?

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 11

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 12

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 13

AZT, used in the treatment of AIDS, has the following structure. What is the molecular formula for AZT?

Accepted Answer

The answer of AZT, used in the treatment of AIDS,...

Question 14

Viracept, used in the treatment of HIV, has the following structure. Identify the functional groups in Viracept.

Accepted Answer

The answer of Viracept, used in the treatment of HIV,...

Question 15

Which of the following compounds have +1 as a formal charge on an oxygen atom?

Accepted Answer

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

Question 16

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 17

Draw two additional resonance structures for the following compound.

Accepted Answer

The answer of Draw two additional resonance structures for the...

Question 18

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 19

Identify the partially condensed structure for CH3CH2CH2NH2.

Accepted Answer

A)   
B)   
C)   
D)   
E)   
A)   
B)   
C)   
D)   
E)

Question 20

Which of the following is the correct condensed structure for the following compound?

Accepted Answer

A)  CH3CHOHCH2CHClCH3 
B)  CH3CHOH(CH2)2CHClCH3 
C)  (CH3)2CHOHCH2CH2Cl 
D)  HOCH3CHCH2CH2CH3CHCl 
E)  CH3C2H4CH3OHCl 
A)  CH3CHOHCH2CHClCH3 
B)  CH3CHOH(CH2)2CHClCH3 
C)  (CH3)2CHOHCH2CH2Cl 
D)  HOCH3CHCH2CH2CH3CHCl 
E)  CH3C2H4CH3OHCl

Exam 2: Molecular Representations

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

Which of the following is/are correct resonance structure(s) for compound A?

Which of the following compounds contain a thiol functional group?

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

Resonance structures have _______ connectivity of atoms and _______ distribution of electrons.

What is the formal charge on the indicated carbon atom?

Which of the following compounds contain a ketone functional group?

The spreading of positive or negative charge over two or more atoms in a compound is called_______.

Which of the following compounds contain an amine functional group?

Which of the following is the correct Lewis structure for the following compound?

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

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

AZT, used in the treatment of AIDS, has the following structure. What is the molecular formula for AZT?

Viracept, used in the treatment of HIV, has the following structure. Identify the functional groups in Viracept.

Which of the following compounds have +1 as a formal charge on an oxygen atom?

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

Draw two additional resonance structures for the following compound.

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

Identify the partially condensed structure for CH3CH2CH2NH2.

Which of the following is the correct condensed structure for the following compound?

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

Resonance structures have _ connectivity of atoms and _ distribution of electrons.

Identify the partially condensed structure for CH₃CH₂CH₂NH₂.