Question 1

Using the VSEPR model, what is the electron-domain geometry and molecular geometry of $$\mathrm{SO_3$}$$?

Accepted Answer

Electron-domain geometry: trigonal planar; Molecular geometry: trigonal planar

Question 2

What is the bond angle in a molecule with a trigonal planar geometry, such as $$\mathrm{BF_3$}$$?

Accepted Answer

$$120^\circ$$

Question 3

Which of the following molecules has a tetrahedral electron-domain geometry but an angular (bent) molecular geometry?

Accepted Answer

$$\mathrm{H_2O}$$

Question 4

Predict the electron-domain and molecular geometries for $$\mathrm{$$ClF_3$$}$$ using the VSEPR model.

Accepted Answer

Electron-domain geometry: trigonal bipyramidal; Molecular geometry: T-shaped

Question 5

Which molecule below is linear according to the VSEPR model?

Accepted Answer

$$\mathrm{CO_2$}$$

Question 6

What is the approximate bond angle in $$\mathrm{NH_3$}$$?

Accepted Answer

$$107^\circ$$

Question 7

How many electron domains are around the central atom in $$\mathrm{SF_6$}$$, and what is its molecular geometry?

Accepted Answer

6 electron domains; octahedral

Question 8

Which of the following best describes the geometry of $$\mathrm{$$BrF_5$$}$$?

Accepted Answer

Square pyramidal

Question 9

What is the electron-domain geometry and molecular geometry of $$\mathrm{$$XeF_4$$}$$?

Accepted Answer

Electron-domain geometry: octahedral; Molecular geometry: square planar

Question 10

Which molecule has a bond angle closest to $$104.5^\circ$$?

Accepted Answer

$$\mathrm{H_2O}$$

Question 11

For $$\mathrm{$$ICl_4$$^-}$$, what is the electron-domain geometry and molecular geometry?

Accepted Answer

Electron-domain geometry: octahedral; Molecular geometry: square planar

Question 12

Which of the following molecules has a trigonal bipyramidal electron-domain geometry but a linear molecular geometry?

Accepted Answer

$$\mathrm{I_3$^-}$$

Question 13

What is the hybridization of the central atom in $$\mathrm{CH_4$}$$?

Accepted Answer

$$sp^3$$

Question 14

Which molecule below has a T-shaped molecular geometry?

Accepted Answer

$$\mathrm{$$ClF_3$$}$$

Question 15

In $$\mathrm{CO_2$}$$, what is the hybridization of the carbon atom?

Accepted Answer

$$sp$$

Question 16

Which of the following statements about $$\mathrm{NH_3$} is $$correct?

Accepted Answer

It has a tetrahedral electron-domain geometry and a trigonal pyramidal molecular geometry.

Question 17

What is the electron-domain geometry of $$\mathrm{SF_4$}$$?

Accepted Answer

Trigonal bipyramidal

Question 18

Which molecule has a square planar molecular geometry?

Accepted Answer

$$\mathrm{$$XeF_4$$}$$

Question 19

How many electron domains are around the central atom in $$\mathrm{$$BrF_5$$}$$?

Accepted Answer

6

Question 20

Which of the following best describes the bond angles in a molecule with octahedral geometry?

Accepted Answer

$$90^\circ$$ and $$180^\circ$$

Using the VSEPR Model to Predict Molecular Geometry

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