Question 1

Draw the resonance hybrid of C6H6.

Accepted Answer

Question 2

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 3

Which of the following compounds contain an alkyl halide 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

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 5

Draw the resonance hybrid of CH2CHCHCHCH2+.

Accepted Answer

Question 6

What is the relationship between the following compounds?

Accepted Answer

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

Question 7

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 8

Draw a bond-line structure for each constitutional isomer with molecular formula C4H11N.

Accepted Answer

@#IMG-DLM&_TB4454_00

Question 9

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 10

Which of the following compounds contain an alkyne 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 11

Draw resonance structures for the following compound.

Accepted Answer

@#IMG-DLM&_TB4454_00

Question 12

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 13

Draw the Lewis structure for CH3C≡C(CH2)3C(CH3)3.

Accepted Answer

Question 14

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

Accepted Answer

A)  CH3C2(CH2)3C(CH3)3 
B)  CH3CC(CH2)3C(CH3)2CH3 
C)  (CH3)3C2(CH2)3CH3 
D)  CH3C≡C(CH2)3C(CH3)3 
E)  CH3CC(CH2)3C(CH3)3 
A)  CH3C2(CH2)3C(CH3)3 
B)  CH3CC(CH2)3C(CH3)2CH3 
C)  (CH3)3C2(CH2)3CH3 
D)  CH3C≡C(CH2)3C(CH3)3 
E)  CH3CC(CH2)3C(CH3)3

Question 15

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

Accepted Answer

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

Question 16

Draw significant resonance structures for the following compound, CH3CNO. Which of these is/are the most significant resonance structure(s)? Explain why.

Accepted Answer

@#IMG-DLM&_TB4454_00 Resonance structure

Question 17

Determine the formal charges on each atom except hydrogen.

Accepted Answer

The answer of Determine the formal charges on each atom...

Question 18

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 19

What is a resonance hybrid?

Accepted Answer

A molecule that can be represe

Question 20

Which of the following is the correct Lewis structure for (CH3)2CHCH2OH?

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

Exam 2: Molecular Representations

Draw the resonance hybrid of C6H6.

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

Which of the following compounds contain an alkyl halide functional group?

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

Draw the resonance hybrid of CH2CHCHCHCH2+.

What is the relationship between the following compounds?

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

Draw a bond-line structure for each constitutional isomer with molecular formula C4H11N.

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

Which of the following compounds contain an alkyne functional group?

Draw resonance structures for the following compound.

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

Draw the Lewis structure for CH3C≡C(CH2)3C(CH3)3.

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

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

Draw significant resonance structures for the following compound, CH3CNO. Which of these is/are the most significant resonance structure(s)? Explain why.

Determine the formal charges on each atom except hydrogen.

What is the relationship between the following compounds?

What is a resonance hybrid?

Which of the following is the correct Lewis structure for (CH3)2CHCH2OH?

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

Draw the resonance hybrid of C₆H₆.

Draw the resonance hybrid of CH₂CHCHCHCH₂⁺.

Draw a bond-line structure for each constitutional isomer with molecular formula C₄H₁₁N.

Draw the Lewis structure for CH₃C≡C(CH₂)₃C(CH₃)₃.

Draw significant resonance structures for the following compound, CH₃CNO. Which of these is/are the most significant resonance structure(s)? Explain why.

Which of the following is the correct Lewis structure for (CH₃)₂CHCH₂OH?