Question 1

Which of the following Lewis structures is correct?

Accepted Answer

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

Question 2

Which compound contains the most polar bond?

Accepted Answer

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

Question 3

Which of the following compounds has an atom with an unfilled valence shell of electrons?

Accepted Answer

A)  H2O
B)  BCl3
C)  CH4
D)  CO2E) A) and B)
F) A) and C)

Question 4

Which of the following is the appropriate conversion of the condensed structure,CH3COCH3,to a Lewis structure? 3COCH3,to a Lewis 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) C) and D)
F) A) and B)

Question 5

What is the formal charge of the carbon in carbon dioxide (CO2) when drawn with two double bonds?

Accepted Answer

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

Question 6

Which of the following statements about electronegativity and the periodic table is true?

Accepted Answer

A)  Electronegativity decreases across a row of the periodic table.
B)  Electronegativity increases down a column of the periodic table.
C)  Electronegativity increases across a row of the periodic table.
D)  Electronegativity does not change down a column of the periodic table.E) A) and B)
F) C) and D)

Question 7

Rank the following atoms in order of increasing electronegativity,putting the least electronegative first.

Accepted Answer

A)  I 
B)  I 
C)  III 
D)  I < II < IV < IIIE) B) and C)
F) B) and D)

Question 8

Determine the geometry around the indicated atom in each species.

Accepted Answer

A)  I = Linear; II = tetrahedral; III = trigonal planar; IV = tetrahedral
B)  I = Linear; II = tetrahedral; III = trigonal planar; IV = linear
C)  I = Trigonal planar; II = linear; III = tetrahedral; IV = trigonal planar
D)  I = Tetrahedral; II = trigonal planar; III = linear; IV = tetrahedralE) None of the above
F) B) and C)

Question 9

Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H2C=CH2?

Accepted Answer

A)  C2p + H1s
B)  Csp + H1s
C)  Csp3 + H1s
D)  Csp2 + H1sE) B) and C)
F) A) and B)

Question 10

When forming molecular orbitals from atomic orbitals,what is the order of increasing C-H bond strength for the following set?

Accepted Answer

A)  II 
B)  III 
C)  III 
D)  I < II < IIIE) B) and D)
F) A) and D)

Question 11

Which of the following would you expect to have ionic bonds?

Accepted Answer

A)  CO
B)  FBr
C)  NF3
D)  NaClE) B) and C)
F) C) and D)

Question 12

How many electrons are around phosphorus in phosphoric acid (H3PO4) ?

Accepted Answer

A)  6
B)  8
C)  10
D)  12E) B) and D)
F) B) and C)

Question 13

Which of the following is the appropriate conversion of (CH3) 2CHOCH2CH2CH2OH to a skeletal structure? 3) 2CHOCH2CH2CH2OH 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) All of the above
F) A) and B)

Question 14

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

Accepted Answer

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

Question 15

Which of the following statements about resonance structures is true?

Accepted Answer

A)  Resonance structures have the same placement of electrons but different arrangement of atoms.
B)  Resonance structures have the same placement of atoms but different arrangement of electrons.
C)  Resonance structures have the same placement of atoms and the same arrangement of electrons.
D)  Resonance structures have different placement of atoms and different arrangement of electrons.E) A) and B)
F) A) and C)

Question 16

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

Accepted Answer

A)  sp3
B)  sp2
C)  sp
D)  pE) B) and C)
F) B) and D)

Question 17

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

Accepted Answer

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

Exam 1: Structure and Bonding

Which of the following compounds has an atom with an unfilled valence shell of electrons?

Correct Answer
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What is the formal charge of the carbon in carbon dioxide (CO₂) when drawn with two double bonds?

Correct Answer
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When forming molecular orbitals from atomic orbitals,what is the order of increasing C-H bond strength for the following set?

Correct Answer
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Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H₂C=CH₂?

Correct Answer
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Which of the following statements about electronegativity and the periodic table is true?

Correct Answer
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Which compound contains the most polar bond?

Correct Answer
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Which of the following Lewis structures is correct?

Correct Answer
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Which of the following is the appropriate conversion of (CH₃) ₂CHOCH₂CH₂CH₂OH to a skeletal structure?

Correct Answer
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How many electrons are around phosphorus in phosphoric acid (H₃PO₄) ?

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

Correct Answer
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Which of the following is the appropriate conversion of the condensed structure,CH₃COCH₃,to a Lewis structure?

Correct Answer
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Determine the geometry around the indicated atom in each species.

Correct Answer
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Which of the following would you expect to have ionic bonds?

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

Correct Answer
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Which of the following statements about resonance structures is true?

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

Correct Answer
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Rank the following atoms in order of increasing electronegativity,putting the least electronegative first.

Correct Answer
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Exam 1: Structure and Bonding

Which of the following compounds has an atom with an unfilled valence shell of electrons?

Correct AnswerverifiedShow Answer

What is the formal charge of the carbon in carbon dioxide (CO2) when drawn with two double bonds?

Correct AnswerverifiedShow Answer

When forming molecular orbitals from atomic orbitals,what is the order of increasing C-H bond strength for the following set?

Correct AnswerverifiedShow Answer

Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H2C=CH2?

Correct AnswerverifiedShow Answer

Which of the following statements about electronegativity and the periodic table is true?

Correct AnswerverifiedShow Answer

Which compound contains the most polar bond?

Correct AnswerverifiedShow Answer

Which of the following Lewis structures is correct?

Correct AnswerverifiedShow Answer

Which of the following is the appropriate conversion of (CH3) 2CHOCH2CH2CH2OH to a skeletal structure?

Correct AnswerverifiedShow Answer

How many electrons are around phosphorus in phosphoric acid (H3PO4) ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is the appropriate conversion of the condensed structure,CH3COCH3,to a Lewis structure?

Correct AnswerverifiedShow Answer

Determine the geometry around the indicated atom in each species.

Correct AnswerverifiedShow Answer

Which of the following would you expect to have ionic bonds?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about resonance structures is true?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Rank the following atoms in order of increasing electronegativity,putting the least electronegative first.

Correct AnswerverifiedShow Answer

Correct Answer
verified

What is the formal charge of the carbon in carbon dioxide (CO₂) when drawn with two double bonds?

Correct Answer
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Correct Answer
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Which atomic orbitals overlap to form the C-H s bonding molecular orbitals of ethylene,H₂C=CH₂?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which of the following is the appropriate conversion of (CH₃) ₂CHOCH₂CH₂CH₂OH to a skeletal structure?

Correct Answer
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How many electrons are around phosphorus in phosphoric acid (H₃PO₄) ?

Correct Answer
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Correct Answer
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Which of the following is the appropriate conversion of the condensed structure,CH₃COCH₃,to a Lewis structure?

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

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

Correct Answer
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Correct Answer
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