Question 1

Which of the following molecules does not have a net dipole moment of zero?

Accepted Answer

A)  CCl4
B)  BF3
C)  CO2
D)  NH3E) B) and C)
F) None of the above

Question 2

What is the formal charge of carbon in carbon monoxide (CO)  when drawn with a triple bond?

Accepted Answer

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

Question 3

What is the hybridization of the nitrogen atom in the ammonium cation, NH4+?

Accepted Answer

A)  sp3
B)  sp2
C)  sp
D)  pE) All of the above
F) A) and C)

Question 4

Which atomic orbitals overlap to form the carbon-carbon s bonding molecular orbital of acetylene, C2H2?

Accepted Answer

A)  Csp2 + Csp2
B)  Csp + Csp
C)  Csp3 + Csp3
D)  C2p + C2pE) B) and D)
F) A) and D)

Question 5

Which of the following pair does not represent resonance structures?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and B)
F) All of the above

Question 6

How many constitutional isomers are there for a molecule having the molecular formula C3H6?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and D)
F) B) and C)

Question 7

What is the approximate value of the H-C-H bond angle in methane, CH4?

Accepted Answer

A)  90°
B)  109.5°
C)  120°
D)  180°E) B) and C)
F) A) and D)

Question 8

What is the hybridization for each of the indicated atoms in the following compound?
2; II = sp2; III = sp2. B) I = sp2; II = sp3; III = sp3. C) I = sp; II = sp2; III = sp3. D) I = sp2; II = sp2; III = sp3." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I = sp2; II = sp2; III = sp2.
B)  I = sp2; II = sp3; III = sp3.
C)  I = sp; II = sp2; III = sp3.
D)  I = sp2; II = sp2; III = sp3.E) None of the above
F) B) and D)

Question 9

What is the approximate bond angle for the C-C-N bond in acetonitrile, CH3CN?

Accepted Answer

A)  90°
B)  109.5°
C)  120°
D)  180°E) A) and C)
F) A) and B)

Question 10

Which of the following molecules has the smallest dipole moment?

Accepted Answer

A)  CO2
B)  HCl
C)  H2O
D)  NH3E) None of the above
F) A) and D)

Question 11

Which of the following is the appropriate conversion of (CH3) 2CHCH2CHClCH3 to a skeletal structure?
3) 2CHCH2CHClCH3 to a skeletal structure?   A) I B) II C) III D) IV" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and B)
F) A) and C)

Question 12

Which of the following molecules has non-polar covalent bonds?

Accepted Answer

A)  CO2
B)  N2
C)  CCl4
D)  HFE) All of the above
F) None of the above

Question 13

What 2 things will change between two resonance structures?

Accepted Answer

A)  The position of multiple bonds and non-bonded electrons.
B)  The position of multiple bonds and single bonds.
C)  The placement of atoms and single bonds.
D)  The placement of atoms and non-bonded electrons.E) A) and D)
F) A) and C)

Question 14

How many constitutional isomers are there for a molecule having the molecular formula C3H8O?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) C) and D)
F) A) and C)

Question 15

Which of the following is a resonance structure of the compound below?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) None of the above
F) A) and B)

Question 16

Convert the following skeletal structure to a condensed structure.

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) C) and D)
F) A) and B)

Question 17

Which of the following Lewis structures is correct?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and C)
F) A) and B)

Question 18

How many constitutional isomers are there for a molecule having the molecular formula C2H6O?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) B) and D)

Question 19

What is the condensed formula of the compound below?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and D)
F) B) and C)

Question 20

Which molecule has the greatest difference in electronegativity (DE)  between the two different elements?

Accepted Answer

A)  CO2
B)  H2S
C)  NH3
D)  H2OE) C) and D)
F) A) and B)

Exam 1: Structure and Bonding

Which of the following molecules has non-polar covalent bonds?

Correct AnswerverifiedShow Answer

What is the approximate bond angle for the C-C-N bond in acetonitrile, CH3CN?

Correct AnswerverifiedShow Answer

What 2 things will change between two resonance structures?

Correct AnswerverifiedShow Answer

Which of the following molecules has the smallest dipole moment?

Correct AnswerverifiedShow Answer

What is the approximate value of the H-C-H bond angle in methane, CH4?

Correct AnswerverifiedShow Answer

What is the condensed formula of the compound below?

Correct AnswerverifiedShow Answer

Which molecule has the greatest difference in electronegativity (DE) between the two different elements?

Correct AnswerverifiedShow Answer

What is the hybridization of the nitrogen atom in the ammonium cation, NH4+?

Correct AnswerverifiedShow Answer

Which of the following is the appropriate conversion of (CH3) 2CHCH2CHClCH3 to a skeletal structure?

Correct AnswerverifiedShow Answer

What is the formal charge of carbon in carbon monoxide (CO) when drawn with a triple bond?

Correct AnswerverifiedShow Answer

Which atomic orbitals overlap to form the carbon-carbon s bonding molecular orbital of acetylene, C2H2?

Correct AnswerverifiedShow Answer

Which of the following Lewis structures is correct?

Correct AnswerverifiedShow Answer

How many constitutional isomers are there for a molecule having the molecular formula C2H6O?

Correct AnswerverifiedShow Answer

How many constitutional isomers are there for a molecule having the molecular formula C3H8O?

Correct AnswerverifiedShow Answer

Which of the following pair does not represent resonance structures?

Correct AnswerverifiedShow Answer

Which of the following molecules does not have a net dipole moment of zero?

Correct AnswerverifiedShow Answer

Convert the following skeletal structure to a condensed structure.

Correct AnswerverifiedShow Answer

What is the hybridization for each of the indicated atoms in the following compound?

Correct AnswerverifiedShow Answer

How many constitutional isomers are there for a molecule having the molecular formula C3H6?

Correct AnswerverifiedShow Answer

Which of the following is a resonance structure of the compound below?

Correct AnswerverifiedShow Answer

Correct Answer
verified

What is the approximate bond angle for the C-C-N bond in acetonitrile, CH₃CN?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the approximate value of the H-C-H bond angle in methane, CH₄?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the hybridization of the nitrogen atom in the ammonium cation, NH₄⁺?

Correct Answer
verified

Which of the following is the appropriate conversion of (CH₃) ₂CHCH₂CHClCH₃ to a skeletal structure?

Correct Answer
verified

Correct Answer
verified

Which atomic orbitals overlap to form the carbon-carbon s bonding molecular orbital of acetylene, C₂H₂?

Correct Answer
verified

Correct Answer
verified

How many constitutional isomers are there for a molecule having the molecular formula C₂H₆O?

Correct Answer
verified

How many constitutional isomers are there for a molecule having the molecular formula C₃H₈O?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How many constitutional isomers are there for a molecule having the molecular formula C₃H₆?

Correct Answer
verified

Correct Answer
verified