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VSEPR THEORY

Total questions: 20

Worksheet time: 5hrs 0mins

Name
Class
Date
1.
VSEPR theory is to
a)

determine the number of bonding and lone pairs electrons

b)

determine the number of ECC

c)

determine the shape and geometry of molecule

d)

determine the lewis structure of molecule

2.
What is the measure of a tetrahedral bond angle?
a)

90 Degrees

b)

109.5 Degrees

c)

120 Degrees

d)

180 Degrees

3.
What molecule could this be? 
a)

BF3

b)

CH4

c)

H2O

d)

CO2

4.
Who could this be? 
a)

CO2

b)

NH3

c)

H2S

d)

CH4

5.

What shape would PH3 have?

a)

Trigonal Planar

b)

Trigonal pyramidal

c)

Bent

d)

Linear

6.
Consider the molecule below.  Determine the molecular geometry at each of the 2 labeled carbons.
a)

C1 = tetrahedral, C2 = linear

b)

C1 = trigonal planar, C2 = bent

c)

C1 = bent, C2 = trigonal planar

d)

C1 = trigonal planar, C2 = tetrahedral

7.
What molecular shape is the structure shown here? (NH4+)
a)
linear
b)
trigonal planar
c)
tetrahedral
d)
trigonal pyramidal
8.
What molecule could this be? 
a)
H2O
b)
CCl4
c)
PCl5
d)
NaCl
9.
Determine the electron geometry (eg) and molecular geometry (mg) of XeF4 (Lewis structure is shown) .
a)
eg = tetrahedral, mg = tetrahedral
b)
eg = linear, mg = linear
c)
eg = octahedral, mg = square planar
d)
eg = trigonal bipyramidal, mg = tetrahedral
10.
How many lone pairs are in this molecule's structure?
a)
6
b)
2
c)
0
d)
4
11.
 A lone pair is defined as
a)
A pair of bonding electrons
b)
One non-bonding electron
c)
A pair of non-bonding electrons
d)
A pair of electrons on the central atom
12.
How many electrons are shared in a triple bond?
a)
6
b)
3
c)
6 pairs
d)
5
13.
*
a)
trigonal pyramid
b)
linear
c)
bent
d)
angular
14.

What is the Molecular Geometry of ICl3?

a)

Square Planar

b)

See-Saw

c)

T-Shape

d)

Square Pyramid

15.

Draw the Lewis Dot structure for SF4 and determine its predicted molecular geometry.

a)

square planar

b)

trigonal bipyramidal

c)

see-saw

d)

tetrahedral

16.

Draw the Lewis Dot structure for ICl2- and determine its predicted molecular geometry.

a)

see-saw

b)

trigonal bipyramidal

c)

linear

d)

bent

17.

Which of these is the shape of CCl4?

a)
b)
c)
d)
e)
18.
What is the MOLECULAR geometry of the central oxygen?
a)
Linear
b)
Trigonal Planar
c)
Bent
d)
Tetrahedral
19.

Apply the VSEPR model to XeF4. Which of the following molecular shapes is consistent with the model?

a)

Disphenoidal

b)

Square planar

c)

Tetrahedral

d)

Square pyramidal

20.

The F-S-F bond angles in SF6 are ______.

a)

109o28'

b)

120o only

c)

90o and 120o

d)

45o and 90o

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