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Which is the correct geometry of the following compounds: PBr3, BH4-, NMe4+

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Wize University Chemistry Textbook > Valence Bond Theory (Hybridization)

Hybridization

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Wize University Chemistry Textbook > VSEPR Shapes and Polarity

VSEPR (Molecular Shapes)

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Wize University Chemistry Textbook > Lewis Structures & Resonance Structures

How to Draw Lewis Structures

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Which is the correct geometry of the following compounds: PBr3, BH4-, NMe4+
More Hybridization Questions:
Hybridization
The molecular structure of THC is shown below, lone pairs are not shown.
What is the hybridization of the atom labeled A
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization: Identifying Hybridization in Organic Molecules
Which of the following statements about hybridization are true for the following molecule?
The atom labelled ‘1’ has sp3 hybridization
The atom labelled ‘2’ has sp2 hybridization
Hybridization: Identifying Hybridization in Organic Molecules
Which of the following statements about hybridization are true for the following molecule?
The atom labelled ‘1’ has sp3 hybridization
The atom labelled ‘2’ has sp2 hybridization
Hybridization, Shape of Molecules
Draw the complete structure of the following molecule and identify the orbitals involved for each bond:
Hybridization, bond angle
1. What are the hybridization of each of the N atom in N3― and what is the NNN bond angle?
2. What are the hybridization of each of the atoms in HOCN? What are the HOC and OCN bond angles?
Choose the correct option:
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Consider the polyatomic ion SO32- and answer questions.
The hybridization at the central atom is _____.
Fill in the table for the following compounds:
SO3
SF4
VSEPR: Hybridization & Geometry
Fill in the table for the following compounds:
SF6
NH3
Hybridization
What is the hybridization of P in POCl3?
Hybridization
Consider the following Lewis Dot Structure of CO:
What is the best option for describing the bond between C and O?
Hybridization: Molecular orbitals
If one s orbital, three p orbitals and one d orbital are hybridized, you will get 5 of what kind of molecular orbital?
Chemical bonds: Sigma
How many sigma bonds are in a single bond?
Hybridization: Identifying Hybridization in Organic Molecules
Which of the following statements about hybridization are true for the following molecule?
The atom labelled ‘1’ has sp3 hybridization
The atom labelled ‘2’ has sp2 hybridization
Hybridization
The molecular structure of THC is shown below, lone pairs are not shown.
What is the hybridization of the atom labeled A
Valenece Bond Theory Practice Questions
1) Identify the hybridization of each non-hydrogen atom in the following compounds
a) CO2
b) POCl3
Cannabidiol is a phytocannbinoid found in some marijuana strains. While it is not nearly as psychoactive as its more famous cousin, THC, it may play a role in regulating the effects of THC and is currently being studied as a treatment for anxiety and chronic pain. The structure of Cannabidiol (CBD) is shown below.
What is the hybridization of the atom labeled A
Hybridization: Pi/Sigma bonds
The structure of methyldiazene is shown below. Which orbitals make up the σ\sigma bond between atoms A and B? In the options below the first orbital listed is from atoms A, and the second orbital listed is from atom B.
Hybridization
The structure of methyldiazene is shown below. What is the hybridization of the atoms labelled A, B and C respectively?
VSEPR: Testosterone
Testosterone, an anabolic steroid, is the principle male sex hormone and is found in humans and other vertebrates. Testosterone is present in both males and females however the concentration is much higher (7-8 times) in males. The skeletal structure of testosterone is shown below. Complete the Lewis Structure and answer the following questions.
Approximate the angle α\alpha
VSEPR : Testosterone
Testosterone, an anabolic steroid, is the principle male sex hormone and is found in humans and other vertebrates. Testosterone is present in both males and females however the concentration is much higher (7-8 times) in males. The skeletal structure of testosterone is shown below. Complete the Lewis Structure and answer the following questions.
Approximate the angle ω
VSEPR: Testosterone
Testosterone, an anabolic steroid, is the principle male sex hormone and is found in humans and other vertebrates. Testosterone is present in both males and females however the concentration is much higher (7-8 times) in males. The skeletal structure of testosterone is shown below. Complete the Lewis Structure and answer the following questions.
Approximate the angle β
Hybridization
What is the hybridization of the nitrogen atom in the following molecule?
VSEPR
What is the molecular geometry of the indicated atom in this molecule?
Cannabidiol is a phytocannbinoid found in some marijuana strains. While it is not nearly as psychoactive as its more famous cousin, THC, it may play a role in regulating the effects of THC and is currently being studied as a treatment for anxiety and chronic pain. The structure of Cannabidiol (CBD) is shown below.
What is the hybridization of the atom labeled A and the atom labeled B?
Hybridization: NH3 to NH4+
The hybridization of nitrogen during the transformation of NH3 into NH4+ changes from _______ to ________:
Hybrizidation example
What is the hybridization of CH4?
Cannabidiol is a phytocannbinoid found in some marijuana strains. While it is not nearly as psychoactive as its more famous cousin, THC, it may play a role in regulating the effects of THC and is currently being studied as a treatment for anxiety and chronic pain. The structure of Cannabidiol (CBD) is shown below.
What is the hybridization of the atom labeled A
Molecular Polarity
Sulfur and fluorine form three different neutral binary compounds, SF2, SF4 and SF6. What is the hybridization of the compound which is non polar?
Hybridization
The number of σ and π\sigma \textrm{ and } \pibonds in the compound shown below is:
Hybridization
Which of the following molecules has only single bonds?
Hybridization
How many sp2 hybridized atoms are there are there in ellagic acid, shown below? Note: lone pairs have not been drawn.
Hybridization
What is the hybridization of silicon in [SiCl4]2- ?
Hybridization
Which of the following statements about hybridization is correct?
Hybridization
Which of the following molecules has exactly two pi bonds?
Hybridization: CO2
What is the hybridization of carbon in CO2?
Hybridization: BH3
What is the hybridization of boron in BH3?
Chemical Bonding: Sigma and Pi Bonds
Ex. In this molecule of aspartic acid, how many sigma and pi bonds are there?
a) Sigma bonds:
15
b) Pi bonds:
2
Lewis Structure: Resonance
How many resonance structures does NO3- have? What is the orbital hybridization of the nitrogen atom, and what is its molecular shape?
Complete the skeleton given below to give the “best” Lewis diagram for the molecule below, then identify which of the statements below is false.
Hybridization: Orbital Overlap
Use the axes to your right and your understanding of valence bond theory to decide which of the statements correctly explains the bolded piece in each diagram.
Hybridization: Pi bonds
Use the line drawing for the natural product peyssonenyne B.
In Peyssonenyne B there are ___ pi-bonds
Hybridization
For the centers B-F which of the hybridizations is assigned incorrectly?
Acetone is a powerful solvent used in the lab, and occasionally in the household as a nail polish remover.
More VSEPR (Molecular Shapes) Questions:
MDMA (3,4-methylenedioxy-methamphetamine) or “Molly” is a psychoactive drug commonly used for recreational purposes, which has been investigated as a treatment for PTSD. It functions by triggering serotonin release and inhibiting serotonin reuptake in the human brain, causing euphoric and empathogenic effects on the user. The structure of MDMA is shown below.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Simple VSEPR Shapes
Draw the Lewis Structure, Perspective Diagram, and identify the molecular shape of the following molecules.
a) SiH4
b) AsBr5
Lone Pairs in VSEPR Theory
Determine the VSEPR shape of the: Ni, O and C atoms for complete Lewis structure of the molecule below.
Lone Pairs in VSEPR Theory
Determine the VSEPR and molecular shapes of the: Ni, O and C atoms for complete Lewis structure of the molecule below.
VSEPR
Using VSEPR theory predict the molecular shape of the cation in tetramethylammonium iodide, [(CH3)4N]+ I-
.
VSEPR
The Lewis structure of a simple organic fragment is shown below:
What is the NCO bond angle?
VSEPR
The Lewis structure of a simple organic fragment is shown below:
What is the HCH angle of the CH3 group?
Hybridization, bond angle
1. What are the hybridization of each of the N atom in N3― and what is the NNN bond angle?
2. What are the hybridization of each of the atoms in HOCN? What are the HOC and OCN bond angles?
Choose the correct option:
Hybridization, VSEPR
For the natural product Ottelione A, denote the hybridization, approximate bond angle and VSEPR notation for the highlighted atoms.
Which of the following compounds would have a seesaw molecular geometry (shape).
A. IBr4–
B. TeH4
MDMA (3,4-methylenedioxy-methamphetamine) or “Molly” is a psychoactive drug commonly used for recreational purposes, which has been investigated as a treatment for PTSD. It functions by triggering serotonin release and inhibiting serotonin reuptake in the
human brain, causing euphoric and empathogenic effects on the user. The structure of MDMA is shown below.
Which of the following statements are true?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to answer the next three questions
1. PH3
2. AlH4-
Lewis Structure: Geometry Practice
Three compounds are given below. Write the dot structure and draw the molecular geometry for each of these molecules. Also include a descriptive name to describe the molecular shape: bent, T-shaped, see-saw, trigonal planar, trigonal pyramid, trigonal bipyramid, square planar, square pyramid, tetrahedral, or octahedral.
Consider the following reaction of silicon tetrafluoride:
SiF4+F−→SiF5−\rm SiF_4 + F^- \to {SiF_5}^-
Give the AXnEm notation and name of the molecular geometry around Si\rm Si before and after this reaction. Are either of these species polar?
Hybridization, VSEPR
Consider XeO3 and answer the following:
a. What is the approximate O-Xe-O bond angle?
b. What is the hybridization of Xe?
Practice: VSEPR
Draw the shapes of the following molecules/ions using VSEPR theory and comment on their polarities:
1. SO2
2. H2O
VSEPR: Molecular Polarity
Answer the following questions for the molecule: XeO2F2.
VSEPR: Bond Angles
The structures of TeF5- and SF6 have identical VSEPR shapes, yet TeF5- has bond angles of 79o and SF6 has bond angles of 90o. Explain the difference.
VSEPR
Determine the VSEPR shape and molecular shape of XeCl2F2.
VSEPR
Determine the VSEPR shape for the following molecules.
a) AlH3
b) SeCl6
Lone Pairs in VSEPR Theory
Determine the VSEPR and molecular shapes of the: Ni, O and C atoms for complete Lewis structure of the molecule below.
Lone Pairs in VSEPR Theory
For each of the following molecules, determine the VSEPR shape and the molecular shape.
a) COS (C is the central atom)
b) POCl3
Lone Pairs in VSEPR Theory
Match each of the following molecules to the correct molecular shape (remember, N (# e- pairs) = #lone pairs + #bonds). BUT, for molecular shape, lone pairs are NOT included.
Lone Pairs in VSEPR Theory
Match each of the following molecules to the correct VSEPR shape (remember, N (# e- pairs) = #lone pairs + #bonds).
Simple VSEPR Shapes
Determine the VSEPR shape of the following molecules.
a) SiH4
b) AsBr5
Organic Compounds
Answer the following questions on the organic structure below.
Lone Pairs in VSEPR Theory
For each of the following molecules, determine the VSEPR shape and the molecular shape.
a) BrCl5
b) H2S
VSEPR
Using VSEPR theory predict the molecular shape of the cation in tetramethylammonium iodide, [(CH3)4N]+ I-
.
VSEPR
Question refers to the figure below. All of these structures have five (5) electron domains.
Which element M will lead to an MF3 molecule with shape D above?
VSEPR: Molecular Geometry
Name the molecular geometry of the following compounds
a) NO3−\rm {NO_3}^-
b) CH4\rm CH_4
VSEPR
Next question concerns the molecule acrylonitrile, C3H3N, shown below.
The H-C-H an C-C-C bond angles in a molecule of acrylonitrile are closest to what pair of values
respectively?
Lewis Structures: VSEPR
Predict the shape of BeCl2
VSEPR
MDMA (3,4-methylenedioxy-methamphetamine) or “Molly” is a psychoactive drug commonly used for recreational purposes, which has been investigated as a treatment for PTSD. It functions by triggering serotonin release and inhibiting serotonin reuptake in the
human brain, causing euphoric and empathogenic effects on the user. The structure of MDMA is shown below.
How many atoms have trigonal planar electron geometry in MDMA?
VSEPR: Molecular Polarity
Is SO2 polar or non-polar?
What is the molecular shape?
What is the electron geometry?
Lewis Structures: VSEPR
Which of the following compounds of xenon has exactly one nonbonding pair of electrons on the xenon
atom?
VSEPR
Next question refers to the figures below. All of these structures have five (5) electron domains.
Which of these molecular shapes best represents the shape of the molecule SeF4?
VSEPR
Which of these AB4 molecular geometries is observed for XeF4?
VSEPR
The Lewis structure of a simple organic fragment is shown below:
What is the HCH angle of the CH3 group?
VSEPR
The Lewis structure of a simple organic fragment is shown below:
What is the NCO bond angle?
VSEPR
MDMA (3,4-methylenedioxy-methamphetamine) or “Molly” is a psychoactive drug commonly used for recreational purposes, which has been investigated as a treatment for PTSD. It functions by triggering serotonin release and inhibiting serotonin reuptake in the
human brain, causing euphoric and empathogenic effects on the user. The structure of MDMA is shown below.
What is the molecular shape of the nitrogen atom in MDMA?
Which of the following compounds would have a seesaw molecular geometry (shape).
A. IBr4–
B. TeH4
VSEPR: Molecular Polarity
What is the VSEPR shape for ClF3? Is this a polar molecule?
VSEPR
Determine the VSEPR shape for NH3.
VSEPR
Determine the VSEPR structure for SF4.
VSEPR
What VSEPR shape does XeF2 take?
VSEPR
What VSEPR shape does ICl3 take?
VSEPR
What is the VSEPR structure for NH3.
VSEPR: Expanded valence
Give the VSEPR geometry of PF5.
VSEPR
Which of the following molecules has a trigonal bipyramidal electron geometry?
VSEPR: Bond Angle
Estimate which bond angle is smallest based on the VSEPR model.
VSEPR: Molecular Polarity
For the molecule, [Tel4]2-, answer the following questions
VSEPR
Draw the VSEPR diagram for each molecule. Identify the hybridization of the central atom.
PCl5                 CO2                  BF3                 SF4PCl_5\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ CO_2\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ BF_3\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ SF_4
VSEPR
1) Provide a prospective drawing for the following compounds and give the parent shape and molecular shape
a) IF7
b) SF4
VSEPR
A molecule with the general shape of AX3E2\rm AX_3E_2 has what molecular geometry?
VSEPR
The electronic geometry of PO43−\rm {PO_4}^{3-} according to VSEPR theory is:
VSEPR: Polarity
Is H2O a polar molecule? Use a VSEPR structure to determine your answer and choose the option with the correct molecular shape.
VSEPR
What is the molecular geometry of NH3 ?
VSEPR: Molecular polarity
Name the molecular geometry of the following compounds and determine whether each is polar.
a) NO3−NO_3^-
b) CH4CH_4
VSEPR
Which of the following molecules has a trigonal bipyramidal electron geometry?
VSEPR: Polarity
For the compounds below list the molecular shape and whether it is polar or non-polar.
VSEPR: Bond Angle Identification
Which of the following compounds has a 120o bond angle?
VSEPR: Practice
A compound has two lone pairs and is bound to four other atoms. What is the molecular shape of this compound?
VSEPR and Lewis Structure
SF2Cl4 exists as two isomers. One is polar, one is non-polar. Draw a 3-D representation of both isomers below.
VSEPR
Which element M, in the compound MF5 will lead to a trigonal bipyramidal molecular shape?
VSEPR
What is the approximate F-S-F angle in SF6?
VSEPR
Which of the following molecules has a square based pyramidal molecular shape?
VSEPR
The angles labelled a, b and c are approximately _ _ and _ respectively.
Which of the following compounds would have a seesaw molecular geometry (shape).
Lewis Structure: Practice
1) Draw Lewis structures for the following molecules
2) List the molecular shape and electron geometry for each
a) NH3.
Draw Lewis structures and give the other information requested for the following:
NO3-. Polar or nonpolar molecule?
BrF5. Polar or nonpolar molecule? Geometry?
VSEPR: Molecular polarity
Consider the following reaction of silicon tetrafluoride:
SiF4+F−→SiF5−\rm SiF_4 + F^- \to {SiF_5}^-
Give the AXnEm notation and name of the molecular geometry around Si\rm Si before and after this reaction. Are either of these species polar?
General Bonding Concepts
Provide a prospective drawing for the following compounds and give the parent shape (or electron geometry) and molecular shape
a) IF7
b) SF4
How many carbon atoms with a bent shape are there in the
molecule of 3-methyl-3-penten-1-ol given its line drawing ?
VSEPR
What is the molecular geometry of SF4\text{SF}_4 ?
Lewis Structures: VSEPR
If a molecule has the formula XBr4−\text{XBr}_ 4^- with a see-saw molecular geometry, what is the best choice for the identity of XX?
Name the molecular geometry of the following compounds
a) NO3−\rm {NO_3}^-
b) CH4\rm CH_4
MDMA (3,4-methylenedioxy-methamphetamine) or “Molly” is a psychoactive drug commonly used for recreational purposes, which has been investigated as a treatment for PTSD. It functions by triggering serotonin release and inhibiting serotonin reuptake in the
human brain, causing euphoric and empathogenic effects on the user. The structure of MDMA is shown below.
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to
answer the following question: O3, NCl3, N3–
Which of the following will have bond angles of 180 °?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to
answer the following question: O3, NCl3, N3–
Which of the following has a tetrahedral molecular shape?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to
answer the following questions: O3, NCl3, N3-
Which of the following has trigonal planar VSEPR geometry?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to answer the following question
Which of the following molecules is/are polar?
i) CF4
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to answer the following questions: CF4, SeF4, KrF4
Which of the following has a square planar molecular shape?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to answer the following questions: CF4, SeF4, KrF4
Which of the following has a tetrahedral electron-pair (VSEPR) geometry?
VSEPR
Use the molecular structure of CH3NCH2 to asnwer the following question
This structure does not show lone pairs, however all bonds and non-zero formal charges are shown.
Which of the choices below correctly identifies the electron-pair geometries of the atoms indicated?
VSEPR
Consider the VSEPR for the “best” Lewis diagrams for the following species and use them to answer the next three questions
a) PH3
b) AℓH4-
VSEPR: σ and π Frameworks with Triple Bonds
Solve the following two part question, regarding the line drawing shown below.
Part 1:
Part 2:
Molecular Polarity: Permanent dipole
The Lewis structure of formyl bromide is given below. Which of the vectors corresponds to direction of its NET molecular dipole?
Molecular Polarity and VSEPR
Molecular Polarity and VSEPR
Consider the best Lewis diagrams for the following chemical species to answer the next two questions
1. ClF3
Consider the polyatomic ion SO32- and answer questions.
The O-S-O bond angles in this ion are (approximately)?
Consider the polyatomic ion SO32- and answer questions.
The molecular geometry is ______.
VSEPR: Hybridization & Geometry
Fill in the table for the following compounds:
SF6
NH3
What is the molecular shape predicted by VSEPR for ICl3?
Molecular Geometry V
What is the molecular shape of CO32- ?
More How to Draw Lewis Structures Questions:
Practice: Formal Charge
Practice: Formal Charges
In the molecule POCl3, what is the formal charge on the P atom in the best Lewis structure?
Acids and Bases: Acids and Salts
Draw the correct lewis structure of HClO3 and draw all resonance structures.
Lewis Structures
Calculate the formal charge on each atom in the molecule. Determine the most stable resonance structure.
Lewis Structures
Calculate the formal charge on each atom in the molecule. Determine the most stable resonance structure.
Lewis Structures: Resonance
Starting from the Lewis structure below, draw all valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures: Resonance
Inspect the following incomplete resonance structures, and identify the INCORRECT statement about the
nitrous oxide molecule.
Hybridization, bond angle
1. What are the hybridization of each of the N atom in N3― and what is the NNN bond angle?
2. What are the hybridization of each of the atoms in HOCN? What are the HOC and OCN bond angles?
Choose the correct option:
Lewis Dot Structure, Resonance
Choose the most stable resonance form of carbon monoxide.
Resonance Structure, Oxidation State
Choose the correct statement:
Practice: Formal Charge
Practice: Formal Charges
In the molecule POCl3, what is the formal charge on the P atom in the best Lewis structure?
Lewis Structures
Complete the “best” Lewis diagrams for the following species and use them to answer the next three questions
SeCl2
PO2+
Covalent Bonding and Lewis Structures
Draw Lewis structures for the following molecules
a) NH3
b) CO2
Lewis Structure: Geometry Practice
Three compounds are given below. Write the dot structure and draw the molecular geometry for each of these molecules. Also include a descriptive name to describe the molecular shape: bent, T-shaped, see-saw, trigonal planar, trigonal pyramid, trigonal bipyramid, square planar, square pyramid, tetrahedral, or octahedral.
Lewis Structures: Resonance
Show all of the most stable resonance structures for CO32-.
Lewis Structures
Draw the Lewis Structure for SF2O2.
Lewis Structures
Draw the Lewis structure for CH2Br2
Lewis dot structure
Which of the following statements is (are) correct for the most important Lewis structure of BCl3?
Lewis dot structure
Draw the best Lewis dot structure of CN–.
Hybridization
Consider the following Lewis Dot Structure of CO:
What is the best option for describing the bond between C and O?
Lewis Dot Structure
Draw Lewis dot structures and more stable resonance structures (wherever applicable) of the following:
1. NO2
2. CH3OH
Benzene Derivatives
Complete the best Lewis structure of p-aminosalicylic acid (C7H7NO3) below to answer the following questions.
a) How many valence electrons are in the complete Lewis structure?
b) What is the formal charge on the nitrogen atom?
Benzene Derivatives
For the skeletal structure below, complete the Lewis structure and draw all three resonance structures for phenolate, C6H5O-. Show all lone pairs and additional bonds.
Lewis structure: Formal charge
Complete the best Lewis structure of the organic compound shown below (CH3CH2NO2). Determine the formal charge on the nitrogen.
Acids and Bases: Acids and Salts
Draw the correct lewis structure of chloric acid and draw all resonance structures.
Lewis Structure: Electron Movement in Resonance Structures
Complete the resonance structures by drawing the curly arrows required to convert between one resonance structure to another. Circle the resonance structure that is lower in energy.
ClO2-:
Lewis Structure: Resonance Structures
How many Resonance structures are there for the sulfite ion?
Organic Compounds
Complete the Lewis structure of p-chlorobenzoate (shown below) to answer the following questions.
Organic Compounds
Complete the correct Lewis structure of NH3CH3CH3CO2 (see below) to answer the following questions.
Resonance Structures
Draw all the resonance structures of CO2Cl- to answer the following questions.
Lewis Structures
Draw the correct Lewis structure of CO to answer the following questions.
Lewis Structures
Draw the correct Lewis structure of XeF5 to answer the following questions.
Organic Compounds
Complete the Lewis structure of p-chlorobenzoate (shown below) to answer the following questions.
Organic Compounds
Draw all the resonance structures of aniline (NH2C6H5). The incomplete Lewis structure of aniline is shown below.
Organic Compounds
Complete the correct Lewis structure of NH3CH3CH3CO2 (see below) to answer the following questions.
Organic Compounds
Draw the correct Lewis structure of HCCH.
Acids and Salts
Draw the correct Lewis structure of potassium sulfite (Na2SO3) and phosphoric acid (H3PO4).
Resonance Structures
Draw all the resonance structures of CO2Cl- to answer the following questions.
Resonance Structures
Draw all resonance structures for the carbonate ion: CO32-.
Lewis Structures
Draw the correct Lewis structure of CO to answer the following questions.
Lewis Structures
Draw the correct Lewis structure of XeF4 to answer the following questions.
Lewis Structures
Draw the correct Lewis structure of XeO4 to answer the following questions.
Lewis Structures
Draw the correct Lewis structure of BeF2.
Lewis Structures
Draw the Lewis structure of SO2Cl2 to answer the following questions.
Lewis Structures
Complete the “best” Lewis diagrams for the following species and use them to answer the next three questions
a) SeCl2
b) PO2+
Lewis Structures
Which is the correct Lewis Structure forAlCl3\rm AlCl_3?
VSEPR: Molecular Polarity
Is SO2 polar or non-polar?
What is the molecular shape?
What is the electron geometry?
Lewis Structures: VSEPR
Which of the following compounds of xenon has exactly one nonbonding pair of electrons on the xenon
atom?
Lewis Structures
Which one of the following ions has nonbonding valence electrons at the central atom?
Lewis Structures: Resonance
Inspect the following incomplete resonance structures, and identify the INCORRECT statement about the
nitrous oxide molecule.
Lewis Structures
Next question concerns the molecule acrylonitrile, C3H3N, shown below.
How many nonbonding valence electrons are there in a molecule of acrylonitrile?
Lewis Structures
Complete the skeleton given below to give the “best” Lewis diagram for a molecule of H2CCHCH2C(O)OH, then identify which of the statements below is false?
A. The C3C4 bond is stronger than the C2C3 bond.
B. There are 8 electrons not involved in bonding.
Lewis Structures: Formal Charge
In the molecule POCl3, what is the formal charge on the P atom in the best Lewis structure?
Lewis Structures: Molecular Polarity
Draw Lewis structures and give the other information requested for the following:
NO3-. Polar or nonpolar molecule?
BrF5. Polar or nonpolar molecule? Geometry?
Lewis Structures: Formal Charge
5) Which of the following is the best Lewis structure for CO? (Enter a b c or d as your answer)
Lewis Structure: Phosphorus Pentafluoride
Please draw a reasonable Lewis structure for PF5
Lewis Structure: Nitric Oxide
Please draw the BEST Lewis structure for NO.
Lewis Structures
Draw Lewis structures, including resonance structures where applicable, for the following compound: PF5
Lewis Structure: Sulphate
Draw a reasonable Lewis structure for SO42-.
How many non-bonding electron pairs are on the central atom in PF4+PF_4^+ ?
Lewis Structure: Alkene
Which of the following molecules contains a double bond? (May be more than one)
a) HCCBr
b) H2NNH2
Lewis Structures
Calculate the formal charge on each atom in the molecule. Determine the most stable resonance structure.
Lewis Structures: Formal Charge
In the molecule POCl3 the central atom is P, what is the formal charge on the P atom in the best dot
structure (Lewis structure)?
(Note: Phosphorous is a third row element.)
Lewis Structures
Draw the Lewis structure for HCN. Calculate the formal charge of each atom.
Lewis Structures: Formal charge
Which of the following structures has a Cl with +1 formal charge?
Lewis Structure
Draw the Lewis structure for BFClH.
How to Draw a Lewis Structure Question
1) Draw the Lewis structure of H3PO4.
1) Complete the Lewis structure for the skeletal structure shown below
Lewis Structures: Formal charges
Complete the following skeletal structure. Please show all lone pairs and formal charges.
How many lone pairs are there in the best Lewis structure
Lewis Structure: Formal charge
Complete the following skeletal structure. Please show all lone pairs and formal charges.
Lewis Structures: Formal Charge
In the molecule POCl3, what is the formal charge on the P atom in the best Lewis structure?
VSEPR and Lewis Structure
1) Draw Lewis structures for the following molecules
2) List the molecular shape and electron geometry for each
a) NH3
Which of the following gives a pair of valid Lewis structures that are resonance structures of each other?
A. i only
B. ii only
Lewis Structures
Which of the following are correct, “best”, Lewis diagrams for
the condensed formulae given below them?
A. i only
Lewis Structures: VSEPR
If a molecule has the formula XBr4−\text{XBr}_ 4^- with a see-saw molecular geometry, what is the best choice for the identity of XX?
Lewis Structures
The Lewis diagrams for several molecules are shown below. Which of the molecules would be nonpolar?
Molecular Polarity and VSEPR
Consider the best Lewis diagrams for the following chemical species to answer the next two questions
CℓF3
O3
Lewis Structures
Complete the “best” Lewis diagrams for the following species and use them to answer the next three questions
a) SeCℓ2
b) PO2+
Lewis Structures
Draw Lewis structures for the following molecules.
a) AlCl3 b) CHCl3 c) PO43- d) PO33-
Practice: Skeletal Structure 2
Complete the following skeletal structure. Please show all lone pairs and formal charges.
Practice: Lewis Structure of Sulphate
Draw a reasonable Lewis structure for SO42-.
Draw Lewis structures, including resonance structures where applicable, for the following compound: NO3-
Lewis Structures: Resonance
Draw all reasonable resonance structures for the following compounds.
a) PS2Cl2-
b) SO42-
Lewis Structures: Resonance
Starting from the Lewis structure below, complete two other valid resonance structures. Show all bonds, lone pairs, and non-zero formal charges.
Lewis Structures
Complete the following skeletal structure. Please show all lone pairs and formal charges.
Draw Lewis structures, including resonance structures where applicable, for the following compound: XeF6
Lewis Structure: Resonance
Diazomethane is a poisonous, explosive yellow gas at room temperature!
Starting its Lewis structure which is given below, show two other valid resonance structures. Be sure to show all bonds, lone pairs, and formal charges.
Which of these elements is the central atom in CHBrClI?
Draw Lewis structures, including resonance structures where applicable, for the following compound: XeF6