VSEPR: Molecular polarity

VSEPR (Molecular Shapes)

6 Activities

Wize University Chemistry Textbook > VSEPR Shapes and Polarity

Molecular Polarity

5 Activities

Name the molecular geometry of the following compounds and determine whether each is polar.

a) NO3−NO_3^-NO3−​ 

b) CH4CH_4CH4​ 

c) XeF4XeF_4XeF4​ 

d) AsCl4−AsCl_4^-AsCl4−​ 

e) BrF5BrF_5BrF5​

Compound	Molecular Geometry	polar/nonpolar
a)
b)
c)
d)
e)

I don't know

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}^-SiF4​+F−→SiF5​−
Give the AXnEm notation and name of the molecular geometry around Si\rm SiSi 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}^-NO3​−
b) CH4\rm CH_4CH4​

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_4PCl5​                 CO2​                  BF3​                 SF4​

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_2AX3​E2​ has what molecular geometry?

VSEPR

The electronic geometry of PO43−\rm {PO_4}^{3-}PO4​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

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}^-SiF4​+F−→SiF5​−
Give the AXnEm notation and name of the molecular geometry around Si\rm SiSi 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}_4SF4​ ?

Lewis Structures: VSEPR

If a molecule has the formula XBr4−\text{XBr}_ 4^-XBr4−​ with a see-saw molecular geometry, what is the best choice for the identity of XXX?

Name the molecular geometry of the following compounds
a) NO3−\rm {NO_3}^-NO3​−
b) CH4\rm CH_4CH4​

 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- ?

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

VSEPR, bond polarity

Choose the correct option for the overall polarities of the following molecules:
1.  SO2
2.  H2O

Bond polarity, VSEPR

Choose the right statement about the polarities of SF4 and SF6

VSEPR

Consider CCl4 and choose the right statement(s)

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.

Molecular Polarity: Net Dipole Moment

Which of the following molecules is polar?

Molecular Polarity

Which of the following molecules are non-polar?

Molecular Polarity

Do the following molecules have a net dipole moment (True = Yes; False = No)? 
a) COS (C is the central atom)
b) POCl3

Molecular Polarity

Determine whether the following molecules are polar or not.
a) CS2
b) CH2-

Molecular Polarity

Which of the following molecules are non-polar?

Molecular Polarity

Determine whether the following molecules are polar or non-polar
a) NO3-
b) N2

VSEPR: Water

IsH2O\rm H_2OH2​O a polar molecule?
 Use VSEPR theory to determine your answer.

VSEPR: Molecular Polarity

Is SO2 polar or non-polar? 
What is the molecular shape?
What is the electron geometry?

Molecular Polarity

 Next question refers to the figures below. All of these structures have five (5) electron domains. 
Which of the shapes above can lead to a molecule with an overall dipole moment vector of 0 (i.e. a nonpolar
molecule)?

Molecular Polarity

Consider the molecules OCO, SCS, OCS, NNO, and NNS, which all have the same number of valence electrons.
(The atoms are connected in the order given.) How many of these molecules are non-polar?

Molecular Polarity

Which of the following dipole moment vectors best reflects the molecular polarity of SiF4?

Molecular Polarity

Which of the bonds has the largest bond dipole? 
A.  i only
B.  ii only

Polarity: Are these molecules polar?

Are the following compounds polar or not?

Which of the following molecules would have a net molecular dipole moment (i.e. u not equal to 0)?

Molecular Polarity

Which molecule is the most polar?

Identify the following bonds as polar or non-polar.

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: Molecular Polarity

Which one of the following molecules would be nonpolar, i.e. exhibit a net molecular dipole moment of zero? (B)

VSEPR

Which of the following compounds has no net dipole?

Molecular Polarity: Dipole Moment

Is this molecule polar? In which direction is the dipole moment?

VSEPR: Molecular Polarity

What is the VSEPR shape for ClF3? Is this a polar molecule?

Molecular Polarity: Dipole Moment

Indicate the dipole moment in the following molecule.

Molecular Polarity: Dipole Moment

Indicate the dipole moment in the following molecule.

Molecular Polarity

Which of the following are polar? Indicate the direction of polarity.

VSEPR: Molecular Polarity

For the molecule, [Tel4]2-, answer the following questions

Molecular polarity

Which of the following compounds have the greatest overall dipole?

Molecular Polarity

Which of the following dipole moment vectors best reflects the molecular polarity of SiF4?

Lewis Structure: Molecular Polarity

Is the following molecules is Polar? 
AsF5

VSEPR: Polarity

Is H2O a polar molecule? Use a VSEPR structure to determine your answer and choose the option with the correct molecular shape.

Molecular polarity: Dipole

Which of the following compounds has no net dipole?

Molecular Polarity

Which of the following molecules has an overall dipole moment?  (ie. which molecule is polar)

VSEPR: Polarity

For the compounds below list the molecular shape and whether it is polar or non-polar.

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.

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?

Molecular Polarity

For a series of compounds with the general formula EFx whre E is an element from groups 13-16, which of the following molecular shapes can lead to a molecule with no net-dipole?

Molecular Polarity

Which of the following fluorinated hydrocarbons is non-polar?

Molecular Polarity

Which of the following molecules has the least polar bonds?

Elements: Polarity

A compound with the formula XBr3XBr_3XBr3​ is non-polar. What is the identity of XXX?

Polarity

Draw the Lewis structure for SO2 to answer the following questions

Draw Lewis structures and give the other information requested for the following:
NO3-. Polar or nonpolar molecule?
BrF5. Polar or nonpolar molecule? Geometry?

Polarity: Practice

Are the following compounds polar or not? (answer yes or no)
a) PF5
b) SF4

Which molecule(s) is/are polar?
I CF4 and CCl4
II CCl4 and CO2

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

Molecular polarity

Is the following molecule Polar?
BrCl3

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

Lewis Structures: Molecular Polarity

Is the following molecules is Polar? 
CS2

Which of the following compounds have the greatest dipole?
MeOH, CH3Cl, CH4, CCl4

VSEPR: Molecular polarity

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