Question 1

Identify the atomic orbitals in the N-O sigma bond in the following oxime:

Accepted Answer

A)  (2sp2,2sp2) 
B)  (2sp3,2sp3) 
C)  (2sp,2sp) 
D)  (2sp2,2sp3) 
E)  (2sp,1s) 
A)  (2sp2,2sp2) 
B)  (2sp3,2sp3) 
C)  (2sp,2sp) 
D)  (2sp2,2sp3) 
E)  (2sp,1s)

Question 2

The bond angles for the bold-faced C in CH3CH2CH2+ would be expected to be approximately:

Accepted Answer

A)  60$\degree$ 
B)  90$\degree$ 
C)  105$\degree$ 
D)  109$\degree$ 
E)  120$\degree$ 
A)  60$\degree$ 
B)  90$\degree$ 
C)  105$\degree$ 
D)  109$\degree$ 
E)  120$\degree$

Question 3

Which of the following is an ion with a single negative charge?

Accepted Answer

A) 
  
B) 
  
C) 
  
D)  All of these 
E)  None of these 
A) 
  
B) 
  
C) 
  
D)  All of these 
E)  None of these

Question 4

When the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule,how are the electrons distributed in the resulting molecular orbitals?

Accepted Answer

A)  2 electrons in the bonding molecular orbital 
B)  1 electron in the bonding molecular orbital,1 electron in the non-bonding molecular orbital 
C)  1 electron in the bonding molecular orbital,1 electron in the antibonding molecular orbital 
D)  2 electrons in the non-bonding molecular orbital 
E)  2 electrons in the antibonding molecular orbital 
A)  2 electrons in the bonding molecular orbital 
B)  1 electron in the bonding molecular orbital,1 electron in the non-bonding molecular orbital 
C)  1 electron in the bonding molecular orbital,1 electron in the antibonding molecular orbital 
D)  2 electrons in the non-bonding molecular orbital 
E)  2 electrons in the antibonding molecular orbital

Question 5

What is the hybridization of the N atom in the following molecule?

Accepted Answer

A)  sp3 
B)  sp2 
C)  sp 
D)  s 
E)  sp4 
A)  sp3 
B)  sp2 
C)  sp 
D)  s 
E)  sp4

Question 6

Which of the structures below is not expected to contribute to the CO2 resonance hybrid?

Accepted Answer

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

Question 7

What is the formal charge on oxygen in the following structure?

Accepted Answer

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

Question 8

Which of the following species is a resonance form of the following species?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E)  All the above are correct resonance forms. 
A) 
  
B) 
  
C) 
  
D) 
  
E)  All the above are correct resonance forms.

Question 9

Constitutional isomers differ in the _________________.

Accepted Answer

connectivi

Question 10

Which compound is not a constitutional isomer of the others?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  All of the above are isomers of each other. 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  All of the above are isomers of each other.

Question 11

Draw all isomers of C4H8,using bond-line formulas.

Accepted Answer

Question 12

In which of the following does the central atom have 2 pairs of non-bonding electrons?

Accepted Answer

A)  O3 
B)  CO2 
C)  CO3  2- 
D)  NH4 + 
E)  H2S 
A)  O3 
B)  CO2 
C)  CO3  2- 
D)  NH4 + 
E)  H2S

Question 13

In which structure(s)below does the oxygen have a formal charge of +1?   s

Accepted Answer

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

Question 14

Select the hybridized atomic orbital.

Accepted Answer

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

Identify the atomic orbitals in the N-O sigma bond in the following oxime:

The bond angles for the bold-faced C in CH₃CH₂CH₂⁺ would be expected to be approximately:

Which of the following is an ion with a single negative charge?

When the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule,how are the electrons distributed in the resulting molecular orbitals?

What is the hybridization of the N atom in the following molecule?

Which of the structures below is not expected to contribute to the CO₂ resonance hybrid?

What is the formal charge on oxygen in the following structure?

Which of the following species is a resonance form of the following species?

Constitutional isomers differ in the _________________.

Which compound is not a constitutional isomer of the others?

Draw all isomers of C₄H₈,using bond-line formulas.

In which of the following does the central atom have 2 pairs of non-bonding electrons?

In which structure(s)below does the oxygen have a formal charge of +1? s

Select the hybridized atomic orbital.

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Exam 1: Carbon Compounds and Chemical Bonds

Identify the atomic orbitals in the N-O sigma bond in the following oxime:

The bond angles for the bold-faced C in CH3CH2CH2+ would be expected to be approximately:

Which of the following is an ion with a single negative charge?

When the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule,how are the electrons distributed in the resulting molecular orbitals?

What is the hybridization of the N atom in the following molecule?

Which of the structures below is not expected to contribute to the CO2 resonance hybrid?

What is the formal charge on oxygen in the following structure?

Which of the following species is a resonance form of the following species?

Constitutional isomers differ in the _________________.

Which compound is not a constitutional isomer of the others?

Draw all isomers of C4H8,using bond-line formulas.

In which of the following does the central atom have 2 pairs of non-bonding electrons?

In which structure(s)below does the oxygen have a formal charge of +1? s

Select the hybridized atomic orbital.

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

The bond angles for the bold-faced C in CH₃CH₂CH₂⁺ would be expected to be approximately:

Which of the structures below is not expected to contribute to the CO₂ resonance hybrid?

Draw all isomers of C₄H₈,using bond-line formulas.