Question 1

Which molecule or ion violates the octet rule?

Accepted Answer

A)   I3-
B)   PF3
C)   H2O
D)   NO3-
E)   none of theseF) C) and E)
G) B) and D)

Question 2

Select the correct molecular structure for SO2.

Accepted Answer

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

Question 3

For each of the following compounds:
-SF4
A)Give the shape of the molecule.
B)Indicate the polarity of the molecule.

Accepted Answer

Question 4

Which of the following molecules has a dipole moment?

Accepted Answer

A)   PCl3
B)   BCl3
C)   Cl2
D)   SiCl4
E)   none of theseF) B) and C)
G) All of the above

Question 5

Given the following information: N2 bond energy = 941 kJ/mol
F2 bond energy = 154 kJ/mol 2 bond energy = 941 kJ/mol F2 bond energy = 154 kJ/mol   calculate the N-F bond energy. A)  113 kJ/mol B)  268 kJ/mol C)  66 kJ/mol D)  317 kJ/mol E)  none of these " class="answers-bank-image d-inline" rel="preload" > calculate the N-F bond energy.

Accepted Answer

A)   113 kJ/mol
B)   268 kJ/mol
C)   66 kJ/mol
D)   317 kJ/mol
E)   none of theseF) A) and D)
G) C) and D)

Question 6

In the reaction between magnesium and sulfur, the magnesium atoms

Accepted Answer

A)   share electrons with sulfur.
B)   become part of polyatomic ions.
C)   become anions.
D)   become cations.E) A) and D)
F) B) and C)

Question 7

Which statement is correct?

Accepted Answer

A)   H2O is linear.
B)   The molecule ClO2 cannot be accurately described by a Lewis structure consistent with the octet rule.
C)   The diatomic molecule Cl2 is an example of a polar molecule.
D)   The bonds in LiF have a more covalent character than those in F2.
E)   none of theseF) A) and E)
G) A) and B)

Question 8

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) All of the above
G) A) and D)

Question 9

Select the correct molecular structure for IF6+.

Accepted Answer

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

Question 10

The bond angles about the carbon atom in the formaldehyde molecule, H2C = O, are about

Accepted Answer

A)   109°.
B)   60°.
C)   120°.
D)   90°.
E)   180°.F) A) and D)
G) A) and E)

Question 11

In which case is the bond polarity incorrect?

Accepted Answer

A)   (  δ\deltaδ  + Cl-Br   δ\deltaδ  -) 
B)   (  δ\deltaδ  + Na-S   δ\deltaδ  -) 
C)   (  δ\deltaδ  + H-Br   δ\deltaδ  -) 
D)   (  δ\deltaδ  + Mg-H   δ\deltaδ  -) 
E)   (  δ\deltaδ  + Si-S   δ\deltaδ  -)  F) All of the above
G) B) and E)

Question 12

Which of the following has an incomplete octet in its Lewis structure?

Accepted Answer

A)   ICl
B)   NO
C)   Cl2
D)   OF2
E)   SO2F) A) and D)
G) D) and E)

Question 13

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 14

Select the correct molecular structure for SF5+.

Accepted Answer

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

Question 15

Use the following electronegativity values to answer the question: 
C 2.5 
Cl 3.2
H 2.2 
N 3.0
O 3.4
This molecule shows the smallest number of lone pairs in its Lewis structure.

Accepted Answer

A)   CH3CHO
B)   CO2
C)   CH3Cl
D)   C2H6
E)   none of theseF) C) and D)
G) B) and E)

Question 16

Which of the following groups contains no ionic compounds?

Accepted Answer

A)   KH, CaF2, NaNH2
B)   KOH, CCl4, SF4
C)   HCN, NO2, Ca(NO3) 2
D)   CH2O, H2S, NBr3
E)   PCl5, LiBr, Cu(OH) 2F) A) and E)
G) B) and C)

Question 17

For each of the following compounds:
-CH4
A)Give the shape of the molecule.
B)Indicate the polarity of the molecule.

Accepted Answer

A) tetrahe...

Question 18

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) C) and D)
G) B) and D)

Question 19

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) A) and D)
G) A) and C)

Question 20

In the gaseous phase, which of the following diatomic molecules would be the most polar?

Accepted Answer

A)   NaCl
B)   CsF
C)   NaF
D)   LiF
E)   CsClF) B) and D)
G) A) and B)

Exam 13: Bonding: General Concepts

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

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

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Use the following electronegativity values to answer the question: C 2.5 Cl 3.2 H 2.2 N 3.0 O 3.4 This molecule shows the smallest number of lone pairs in its Lewis structure.

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

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Which molecule or ion violates the octet rule?

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Select the correct molecular structure for IF6+.

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Which of the following molecules has a dipole moment?

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For each of the following compounds: -SF4 A)Give the shape of the molecule. B)Indicate the polarity of the molecule.

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

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The bond angles about the carbon atom in the formaldehyde molecule, H2C = O, are about

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Which of the following has an incomplete octet in its Lewis structure?

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Select the correct molecular structure for SF5+.

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In the reaction between magnesium and sulfur, the magnesium atoms

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Which statement is correct?

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In the gaseous phase, which of the following diatomic molecules would be the most polar?

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Select the correct molecular structure for SO2.

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Given the following information: N2 bond energy = 941 kJ/mol F2 bond energy = 154 kJ/mol calculate the N-F bond energy.

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Which of the following groups contains no ionic compounds?

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In which case is the bond polarity incorrect?

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For each of the following compounds: -CH4 A)Give the shape of the molecule. B)Indicate the polarity of the molecule.

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

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Select the correct molecular structure for IF₆⁺.

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For each of the following compounds: -SF₄ A)Give the shape of the molecule. B)Indicate the polarity of the molecule.

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

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The bond angles about the carbon atom in the formaldehyde molecule, H₂C = O, are about

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Select the correct molecular structure for SF₅⁺.

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Select the correct molecular structure for SO₂.

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Given the following information: N₂ bond energy = 941 kJ/mol F₂ bond energy = 154 kJ/mol calculate the N-F bond energy.

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For each of the following compounds: -CH₄ A)Give the shape of the molecule. B)Indicate the polarity of the molecule.

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A) tetrahe...
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