Question 1

Draw the Lewis structure for BrO3-.Make sure to include any important resonance structures.

Accepted Answer

Three equivalent resonance structures sh

Question 2

Draw the Lewis structure for the acetate ion,CH3CO2⁻,including any important resonance structures.Label each atom with its formal charge.

Accepted Answer

There should be two equivalent

Question 3

Choose the bond below that is LEAST polar.

Accepted Answer

A)  P-F 
B)  C-Br 
C)  C-F 
D)  C-I 
E)  C-Cl 
A)  P-F 
B)  C-Br 
C)  C-F 
D)  C-I 
E)  C-Cl

Question 4

Determine the electron geometry (eg)and molecular geometry(mg)of BCl3.

Accepted Answer

A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = tetrahedral, mg = trigonal planar 
C)  eg = tetrahedral, mg = trigonal pyramidal 
D)  eg = trigonal planar, mg = bent 
E)  eg = trigonal bipyramidal, mg = trigonal bipyramidal 
A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = tetrahedral, mg = trigonal planar 
C)  eg = tetrahedral, mg = trigonal pyramidal 
D)  eg = trigonal planar, mg = bent 
E)  eg = trigonal bipyramidal, mg = trigonal bipyramidal

Question 5

Identify the weakest bond.

Accepted Answer

A)  single covalent bond 
B)  double covalent bond 
C)  triple covalent bond 
D)  All of the above bonds are the same strength. 
A)  single covalent bond 
B)  double covalent bond 
C)  triple covalent bond 
D)  All of the above bonds are the same strength.

Question 6

Choose the best Lewis structure for BeF2.

Accepted Answer

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

Question 7

Determine the electron geometry,molecular geometry and polarity of SF6.

Accepted Answer

A)  eg = trigonal bipyramidal, mg = trigonal bipyramidal, nonpolar 
B)  eg = tetrahedral, mg = tetrahedral, polar 
C)  eg = trigonal bipyramidal, mg = see-saw, polar 
D)  eg = octahedral, mg = trigonal bipyramidal, nonpolar 
E)  eg = octahedral, mg = octahedral, nonpolar 
A)  eg = trigonal bipyramidal, mg = trigonal bipyramidal, nonpolar 
B)  eg = tetrahedral, mg = tetrahedral, polar 
C)  eg = trigonal bipyramidal, mg = see-saw, polar 
D)  eg = octahedral, mg = trigonal bipyramidal, nonpolar 
E)  eg = octahedral, mg = octahedral, nonpolar

Question 8

Which compound has the highest carbon-carbon bond strength?

Accepted Answer

A)  CH3CH3 
B)  CH2CH2 
C)  HCCH 
D)  All bond strengths are the same. 
A)  CH3CH3 
B)  CH2CH2 
C)  HCCH 
D)  All bond strengths are the same.

Question 9

Determine the electron geometry (eg)and molecular geometry (mg)of Br F3.

Accepted Answer

A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = trigonal bipyramidal, mg = T-shape 
C)  eg = trigonal planar, mg = bent 
D)  eg = trigonal bipyramidal, mg = see-saw 
E)  eg = tetrahedral, mg = trigonal pyramidal 
A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = trigonal bipyramidal, mg = T-shape 
C)  eg = trigonal planar, mg = bent 
D)  eg = trigonal bipyramidal, mg = see-saw 
E)  eg = tetrahedral, mg = trigonal pyramidal

Question 10

Place the following in order of decreasing XO bond length,where "X" represents the central atom in each of the following compounds or ions. SiO32⁻ CO2 CO32⁻

Accepted Answer

A)  CO2 > SiO32⁻ > CO32⁻ 
B)  CO2 > CO32⁻ > SiO32⁻ 
C)  CO32⁻ > CO2 > SiO32⁻ 
D)  CO32⁻ > SiO32⁻ > CO2 
E)  SiO32⁻ > CO32⁻ > CO2 
A)  CO2 > SiO32⁻ > CO32⁻ 
B)  CO2 > CO32⁻ > SiO32⁻ 
C)  CO32⁻ > CO2 > SiO32⁻ 
D)  CO32⁻ > SiO32⁻ > CO2 
E)  SiO32⁻ > CO32⁻ > CO2

Question 11

Give the number of valence electrons for XeI2.

Accepted Answer

A)  22 
B)  20 
C)  18 
D)  24 
E)  16 
A)  22 
B)  20 
C)  18 
D)  24 
E)  16

Question 12

Choose the best Lewis structure for XeI2.

Accepted Answer

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

Question 13

Choose the best Lewis structure for SO42⁻.

Accepted Answer

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

Question 14

Place the following elements in order of increasing electronegativity. Ba S Li

Accepted Answer

A)  Ba < Li < S 
B)  Li < S < Ba 
C)  Ba < S < Li 
D)  S < Ba < Li 
E)  S < Li < Ba 
A)  Ba < Li < S 
B)  Li < S < Ba 
C)  Ba < S < Li 
D)  S < Ba < Li 
E)  S < Li < Ba

Question 15

Consider the molecule below.Determine the molecular geometry at each of the 2 labeled carbons.

Accepted Answer

A)  C1 = tetrahedral, C2 = linear 
B)  C1 = trigonal planar, C2 = bent 
C)  C1 = bent, C2 = trigonal planar 
D)  C1 = trigonal planar, C2 = tetrahedral 
E)  C1 = trigonal pyramidal, C2 = see-saw 
A)  C1 = tetrahedral, C2 = linear 
B)  C1 = trigonal planar, C2 = bent 
C)  C1 = bent, C2 = trigonal planar 
D)  C1 = trigonal planar, C2 = tetrahedral 
E)  C1 = trigonal pyramidal, C2 = see-saw

Question 16

Identify the compound with the largest dipole moment in the gas phase.

Accepted Answer

A)  Cl2 
B)  ClF 
C)  HF 
D)  LiF 
A)  Cl2 
B)  ClF 
C)  HF 
D)  LiF

Question 17

Which compound has the longest carbon-carbon bond length?

Accepted Answer

A)  CH3CH3 
B)  CH2CH2 
C)  HCCH 
D)  All bond lengths are the same. 
A)  CH3CH3 
B)  CH2CH2 
C)  HCCH 
D)  All bond lengths are the same.

Question 18

The compound BrCl  contains

Accepted Answer

A)  ionic bonds. 
B)  nonpolar covalent bonds. 
C)  polar covalent bonds with partial negative charges on the Cl atoms. 
D)  polar covalent bonds with partial negative charges on the Br atoms. 
A)  ionic bonds. 
B)  nonpolar covalent bonds. 
C)  polar covalent bonds with partial negative charges on the Cl atoms. 
D)  polar covalent bonds with partial negative charges on the Br atoms.

Question 19

Choose the best Lewis structure for ICl5.

Accepted Answer

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

Question 20

Match between columns
                        Premises: CHS1U1B12S1U1B0FS1U1B12S1U1B0
BClS1U1B13S1U1B0
XeClS1U1B14 S1U1B0
SFS1U1B14 S1U1B0

Accepted Answer

The Answer of polar,but contains no polar bonds and polar is...

Exam 6: Chemical Bonding I

Draw the Lewis structure for BrO3-.Make sure to include any important resonance structures.

Draw the Lewis structure for the acetate ion,CH3CO2⁻,including any important resonance structures.Label each atom with its formal charge.

Choose the bond below that is LEAST polar.

Determine the electron geometry (eg)and molecular geometry(mg)of BCl3.

Identify the weakest bond.

Choose the best Lewis structure for BeF2.

Determine the electron geometry,molecular geometry and polarity of SF6.

Which compound has the highest carbon-carbon bond strength?

Determine the electron geometry (eg)and molecular geometry (mg)of Br F3.

Place the following in order of decreasing XO bond length,where "X" represents the central atom in each of the following compounds or ions. SiO32⁻ CO2 CO32⁻

Give the number of valence electrons for XeI2.

Choose the best Lewis structure for XeI2.

Choose the best Lewis structure for SO42⁻.

Place the following elements in order of increasing electronegativity. Ba S Li

Consider the molecule below.Determine the molecular geometry at each of the 2 labeled carbons.

Identify the compound with the largest dipole moment in the gas phase.

Which compound has the longest carbon-carbon bond length?

The compound BrCl contains

Choose the best Lewis structure for ICl5.

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

Filters

Draw the Lewis structure for BrO₃^-.Make sure to include any important resonance structures.

Draw the Lewis structure for the acetate ion,CH₃CO₂⁻,including any important resonance structures.Label each atom with its formal charge.

Determine the electron geometry (eg)and molecular geometry(mg)of BCl₃.

Choose the best Lewis structure for BeF₂.

Determine the electron geometry,molecular geometry and polarity of SF₆.

Determine the electron geometry (eg)and molecular geometry (mg)of Br F₃.

Place the following in order of decreasing XO bond length,where "X" represents the central atom in each of the following compounds or ions. SiO₃²⁻ CO₂ CO₃²⁻

Give the number of valence electrons for XeI₂.

Choose the best Lewis structure for XeI₂.

Choose the best Lewis structure for SO₄²⁻.

Choose the best Lewis structure for ICl₅.