Question 1

For which of the following can we not draw a stable Lewis structure?

Accepted Answer

A)   PCl5
B)   OCl6
C)   SCl6
D)   All of these have stable Lewis structures.
E)   None of these has a stable Lewis structure.F) A) and D)
G) A) and C)

Question 2

For each of the following compounds:
A) Give the shape of the molecule.
B) Indicate the polarity of the molecule.
-OCl2

Accepted Answer

Question 3

Choose the statement that best describes the PbCl4 molecule in the gas phase.

Accepted Answer

A)   The molecule is polar.
B)   The bonds are nonpolar.
C)   The molecule is polar with bond angles of about 109°.
D)   The bond angles are all about 109°.
E)   The molecule has a dipole moment.F) C) and D)
G) None of the above

Question 4

Which of the following molecules contains a double bond?

Accepted Answer

A)   CO2
B)   H2O
C)   NH3
D)   all
E)   noneF) A) and D)
G) A) and C)

Question 5

Which molecule or ion violates the octet rule?

Accepted Answer

A)   CH4
B)   I3-
C)   NO3-
D)   SO3
E)   CO2F) C) and E)
G) B) and C)

Question 6

How many lone pairs of electrons are around the central atom?

Accepted Answer

one lone p...

Question 7

In the Lewis structure for elemental nitrogen, there is(are)

Accepted Answer

A)   a triple bond between the nitrogens.
B)   three unpaired electrons.
C)   a double bond between the nitrogens.
D)   a single bond between the nitrogens.
E)   none of theseF) A) and B)
G) C) and E)

Question 8

Based on electronegativities, which of the following would you expect to be most ionic?

Accepted Answer

A)   N2
B)   CO2
C)   CF4
D)   CH4
E)   CaF2F) C) and D)
G) None of the above

Question 9

Which of the following molecules and ions has a lone pair of electrons on the central atom?

Accepted Answer

A)   PCl5
B)   XeO4
C)   BeCl2
D)   CH3+
E)   CH3-F) A) and D)
G) C) and D)

Question 10

Consider the following molecules.
I. BF3
II. CHBr3 (C is the central atom.) 
III. Br2
IV. XeCl2
V. CO
VI. SF4
Select the molecule(s)  that fit the given statement.These molecules violate the octet rule.

Accepted Answer

A)   III, V, VI
B)   I, II, IV, VI
C)   I, IV, VI
D)   I, II, IV
E)   I, III, IV, VIF) A) and C)
G) A) and B)

Question 11

Which of the following has the Lewis structure most like that of CO32-?

Accepted Answer

A)   SO32-
B)   CO2
C)   NO3-
D)   NO2
E)   O3F) C) and E)
G) A) and E)

Question 12

Select the correct molecular structure for NH3.

Accepted Answer

A)   linear
B)   tetrahedral
C)   pyramidal
D)   bent
E)   none of theseF) C) and D)
G) All of the above

Question 13

Select the correct molecular structure for IF6+.

Accepted Answer

A)   tetrahedral
B)   pyramidal
C)   octahedral
D)   square planar
E)   none of theseF) A) and D)
G) B) and C)

Question 14

Consider the compound crotonaldehyde, whose skeleton is  Which carbon in this molecule has tetrahedral bonding?

Accepted Answer

A)   2
B)   3
C)   4
D)   1
E)   All have tetrahedral bonding.F) B) and C)
G) A) and C)

Question 15

Which of the following Lewis structures best describes BF3?

Accepted Answer

A)   3? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)   3? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   3? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   3? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   3? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >F) A) and C)
G) B) and E)

Question 16

Choose the molecule with the strongest bond.

Accepted Answer

A)   HBr
B)   HCl
C)   HF
D)   HIE) B) and C)
F) A) and D)

Question 17

Refer to the SeFS1U1B14S1U1B0 molecule.
-What is the electron arrangement around the central atom?

Accepted Answer

The answer of Refer to the SeFS1U1B14S1U1B0 molecule.
-What is the...

Question 18

Estimate the bond energy of the N2 molecule. 2 molecule.   for NH3 = -46.0 kJ/mol N-H bond energy = 391 kJ/mol H-H bond energy = 432 kJ/mol A)  1140 kJ/mol B)  560 kJ/mol C)  87 kJ/mol D)  479 kJ/mol E)  958 kJ/mol" class="answers-bank-image d-inline" rel="preload" > for NH3 = -46.0 kJ/mol
N-H bond energy = 391 kJ/mol
H-H bond energy = 432 kJ/mol

Accepted Answer

A)   1140 kJ/mol
B)   560 kJ/mol
C)   87 kJ/mol
D)   479 kJ/mol
E)   958 kJ/molF) A) and B)
G) A) and E)

Question 19

Choose the molecule with the strongest bond.

Accepted Answer

A)   HF
B)   NH3
C)   H2O
D)   CH4E) B) and D)
F) All of the above

Question 20

Which of the following molecules has a dipole moment?

Accepted Answer

A)   SCl6
B)   CO2
C)   OF2
D)   BH3
E)   None of these has a dipole moment.F) B) and C)
G) A) and E)

Exam 13: Bonding: General Concepts

Based on electronegativities, which of the following would you expect to be most ionic?

Correct AnswerverifiedShow Answer

Choose the molecule with the strongest bond.

Correct AnswerverifiedShow Answer

In the Lewis structure for elemental nitrogen, there is(are)

Correct AnswerverifiedShow Answer

For which of the following can we not draw a stable Lewis structure?

Correct AnswerverifiedShow Answer

How many lone pairs of electrons are around the central atom?

Correct Answerverifiedone lone p...View AnswerShow Answer

Choose the molecule with the strongest bond.

Correct AnswerverifiedShow Answer

Select the correct molecular structure for IF6+.

Correct AnswerverifiedShow Answer

Which of the following molecules and ions has a lone pair of electrons on the central atom?

Correct AnswerverifiedShow Answer

Which of the following Lewis structures best describes BF3?

Correct AnswerverifiedShow Answer

Which of the following molecules has a dipole moment?

Correct AnswerverifiedShow Answer

Which of the following has the Lewis structure most like that of CO32-?

Correct AnswerverifiedShow Answer

Choose the statement that best describes the PbCl4 molecule in the gas phase.

Correct AnswerverifiedShow Answer

For each of the following compounds: A) Give the shape of the molecule. B) Indicate the polarity of the molecule. -OCl2

Correct AnswerverifiedShow Answer

Which molecule or ion violates the octet rule?

Correct AnswerverifiedShow Answer

Consider the compound crotonaldehyde, whose skeleton is Which carbon in this molecule has tetrahedral bonding?

Correct AnswerverifiedShow Answer

Estimate the bond energy of the N2 molecule. for NH3 = -46.0 kJ/mol N-H bond energy = 391 kJ/mol H-H bond energy = 432 kJ/mol

Correct AnswerverifiedShow Answer

Select the correct molecular structure for NH3.

Correct AnswerverifiedShow Answer

Consider the following molecules. I. BF3 II. CHBr3 (C is the central atom.) III. Br2 IV. XeCl2 V. CO VI. SF4 Select the molecule(s) that fit the given statement.These molecules violate the octet rule.

Correct AnswerverifiedShow Answer

Which of the following molecules contains a double bond?

Correct AnswerverifiedShow Answer

Refer to the SeF4 molecule. -What is the electron arrangement around the central atom?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
one lone p...
View Answer

Correct Answer
verified

Select the correct molecular structure for IF₆⁺.

Correct Answer
verified

Correct Answer
verified

Which of the following Lewis structures best describes BF₃?

Correct Answer
verified

Correct Answer
verified

Which of the following has the Lewis structure most like that of CO₃^2-?

Correct Answer
verified

Choose the statement that best describes the PbCl₄ molecule in the gas phase.

Correct Answer
verified

For each of the following compounds: A) Give the shape of the molecule. B) Indicate the polarity of the molecule. -OCl₂

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Estimate the bond energy of the N₂ molecule. for NH₃ = -46.0 kJ/mol N-H bond energy = 391 kJ/mol H-H bond energy = 432 kJ/mol

Correct Answer
verified

Select the correct molecular structure for NH₃.

Correct Answer
verified

Consider the following molecules. I. BF₃ II. CHBr₃ (C is the central atom.) III. Br₂ IV. XeCl₂ V. CO VI. SF₄ Select the molecule(s) that fit the given statement.These molecules violate the octet rule.

Correct Answer
verified

Correct Answer
verified

Refer to the SeF₄ molecule. -What is the electron arrangement around the central atom?

Correct Answer
verified