Question 1

The ________ tells us that each orbital can hold a maximum of 2 electrons.

Accepted Answer

A)  aufbau principle 
B)  Pauli exclusion principle 
C)  Hund's rule principle 
D)  LeChatelier principle 
E)  uncertainty principle 
A)  aufbau principle 
B)  Pauli exclusion principle 
C)  Hund's rule principle 
D)  LeChatelier principle 
E)  uncertainty principle

Question 2

Which of the following compounds are covalent compounds?

Accepted Answer

A)  KCl 
B)  CF4 
C)  NH3 
D)  both A and B 
E)  both B and C 
A)  KCl 
B)  CF4 
C)  NH3 
D)  both A and B 
E)  both B and C

Question 3

When a negatively charged species is most appropriately depicted as a hybrid of several resonance forms, the negative charge present is considered to be rapidly moving between the resonance forms bearing the formal negative charge.

Accepted Answer

A) True 
 B)False

Question 4

Provide the line-angle formula for the alcohol CH3CH2CH(OH)CH2CH2CH(CH3)2.

Accepted Answer

Question 5

Indicate the line-angle structure that corresponds to the condensed structure, HOCH2C(O)CH(CH3)2.

Accepted Answer

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

Question 6

Would you predict trifluoromethanesulfonic acid, CF3SO3H, to be a stronger or weaker acid than methanesulfonic acid, CH3SO3H? Explain your reasoning.

Accepted Answer

Trifluoromethanesulfonic acid is a stron

Question 7

A condensed structure for acetone is CH3COCH3. Provide the structural formula for acetone.

Accepted Answer

Question 8

Draw an acceptable line-angle formula for cyclobutanol (shown below).

Accepted Answer

The answer of Draw an acceptable line-angle formula for cyclobutanol...

Question 9

Which of the following bonding patterns of carbon is not allowed in the formation of an organic compound?

Accepted Answer

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

Question 10

A 0.1 M aqueous solution of an acid HA has a pH of 4.0. What is the pKa of HA?

Accepted Answer

The answer of A 0.1 M aqueous solution of an...

Question 11

Draw a line-angle formula for (CH3)2CHCH2CH2NH2.

Accepted Answer

Question 12

When filling two or more orbitals of the same energy with electrons, the electrons will go into different orbitals rather than pair up in the same orbital.

Accepted Answer

A) True 
 B)False

Question 13

When a molecule can best be represented as a series of resonance forms, each of these forms always contributes to the same degree in the hybrid.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following condensed formulas represents the same compound as the line-angle structure shown?

Accepted Answer

A)  CH3CH2CH2OCH2CH2CH2N(CH2CH2CH3)2 
B)  CH3CH2CH2OCH2N(CH2CH3)2 
C)  CH3CH2OCH2N(CH2CH3)2 
D)  CH3CH2OCH2N(CH2CH2CH3)2 
E)  CH3ON(CH3)2 
A)  CH3CH2CH2OCH2CH2CH2N(CH2CH2CH3)2 
B)  CH3CH2CH2OCH2N(CH2CH3)2 
C)  CH3CH2OCH2N(CH2CH3)2 
D)  CH3CH2OCH2N(CH2CH2CH3)2 
E)  CH3ON(CH3)2

Question 15

What is the pKa and general acid strength of formic acid if its conjugate base form has a pKb of 10.23?

Accepted Answer

A)  3.77 - fairly strong weak acid 
B)  5.99 - moderately strong weak acid 
C)  14.00 - not an acid but rather a strong base 
D)  3.23 - fairly strong weak acid 
E)  cannot be determined from the information given 
A)  3.77 - fairly strong weak acid 
B)  5.99 - moderately strong weak acid 
C)  14.00 - not an acid but rather a strong base 
D)  3.23 - fairly strong weak acid 
E)  cannot be determined from the information given

Question 16

The electronegativity of elements on the periodic table increases going ________ a column and to the ________ in each row.

Accepted Answer

A)  up, right 
B)  up, left 
C)  down, right 
D)  down, left 
A)  up, right 
B)  up, left 
C)  down, right 
D)  down, left

Question 17

Draw a correct Lewis structure for tert-butyl alcohol, (CH3)3COH.

Accepted Answer

Question 18

Within a given row of the periodic table, electronegativity typically increases left to right across the row.

Accepted Answer

A) True 
 B)False

Question 19

Draw the other important resonance form of:

Accepted Answer

The answer of Draw the other important resonance form of:...

Question 20

The compound methylamine, CH3NH2, contains a C-N bond. In this bond, which of the following best describes the charge on the carbon atom?

Accepted Answer

A)  +1 
B)  slightly positive 
C)  uncharged 
D)  slightly negative 
E)  -1 
A)  +1 
B)  slightly positive 
C)  uncharged 
D)  slightly negative 
E)  -1

Exam 1: Introduction and Review

The ________ tells us that each orbital can hold a maximum of 2 electrons.

Which of the following compounds are covalent compounds?

When a negatively charged species is most appropriately depicted as a hybrid of several resonance forms, the negative charge present is considered to be rapidly moving between the resonance forms bearing the formal negative charge.

Provide the line-angle formula for the alcohol CH3CH2CH(OH)CH2CH2CH(CH3)2.

Indicate the line-angle structure that corresponds to the condensed structure, HOCH2C(O)CH(CH3)2.

Would you predict trifluoromethanesulfonic acid, CF3SO3H, to be a stronger or weaker acid than methanesulfonic acid, CH3SO3H? Explain your reasoning.

A condensed structure for acetone is CH3COCH3. Provide the structural formula for acetone.

Draw an acceptable line-angle formula for cyclobutanol (shown below).

Which of the following bonding patterns of carbon is not allowed in the formation of an organic compound?

A 0.1 M aqueous solution of an acid HA has a pH of 4.0. What is the pKa of HA?

Draw a line-angle formula for (CH3)2CHCH2CH2NH2.

When filling two or more orbitals of the same energy with electrons, the electrons will go into different orbitals rather than pair up in the same orbital.

When a molecule can best be represented as a series of resonance forms, each of these forms always contributes to the same degree in the hybrid.

Which of the following condensed formulas represents the same compound as the line-angle structure shown?

What is the pKa and general acid strength of formic acid if its conjugate base form has a pKb of 10.23?

The electronegativity of elements on the periodic table increases going ________ a column and to the ________ in each row.

Draw a correct Lewis structure for tert-butyl alcohol, (CH3)3COH.

Within a given row of the periodic table, electronegativity typically increases left to right across the row.

Draw the other important resonance form of:

The compound methylamine, CH3NH2, contains a C-N bond. In this bond, which of the following best describes the charge on the carbon atom?

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acids

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Provide the line-angle formula for the alcohol CH₃CH₂CH(OH)CH₂CH₂CH(CH₃)₂.

Indicate the line-angle structure that corresponds to the condensed structure, HOCH₂C(O)CH(CH₃)₂.

Would you predict trifluoromethanesulfonic acid, CF₃SO₃H, to be a stronger or weaker acid than methanesulfonic acid, CH₃SO₃H? Explain your reasoning.

A condensed structure for acetone is CH₃COCH₃. Provide the structural formula for acetone.

Draw a line-angle formula for (CH₃)₂CHCH₂CH₂NH₂.

What is the pK_a and general acid strength of formic acid if its conjugate base form has a pK_b of 10.23?

The electronegativity of elements on the periodic table increases going a column and to the in each row.

Draw a correct Lewis structure for tert-butyl alcohol, (CH₃)₃COH.

The compound methylamine, CH₃NH₂, contains a C-N bond. In this bond, which of the following best describes the charge on the carbon atom?