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Lesson 3 - Chapter 3 - 2sec

Total questions: 13

Worksheet time: 39mins

Name
Class
Date
1.

What is the most likely bond angle of the C-O-H bond in a molecule of propanol?


……… o

a)

104.5o

b)

107o

c)

109.5o

d)

120o

2.

When an atom undergoes spn hybridization, how many hybrid orbitals are formed?

a)

n hybrid orbitals

b)

n+1 hybrid orbitals

c)

n-1 hybrid orbitals

3.

Fill in the blank: When electrons form chemical bonds, electrons are promoted and the atom enters ………….. state?

a)

an excited

b)

a tetrahedral

c)

a hybridized

d)

an overlapped

4.

During the formation of chemical bonds, hybridization can occur. Atomic orbitals merge together mathematically to form hybrid orbitals.

What hybrid orbitals are formed when one s orbital and three p orbitals all hybridize?

a)

One sp3 orbital

b)

Four sp3 orbitals

c)

Two sp2 orbitals

d)

Four sp2 orbitals

5.

In a molecule of ethene, all five of the 𝜎 bonds exist in the same plane. What region of space does the 𝜋 bond occupy in relation to the central 𝜎 bond in a molecule of ethene?

a)

A

b)

B

c)

C

d)

D

e)

E

6.

By considering the shape of the individual units that make up the macromolecule in the diagram, which type of hybridization is occurring in the carbon atoms of graphene?

a)

sp3d2

b)

sp2

c)

sp3

d)

sp

7.

Boron trifluoride can react with a fluoride anion to produce boron tetrafluoride (BF4-) .Which of the following is the correct Lewis structure of BF4- ?

a)

A

b)

B

c)

C

d)

D

e)

E

8.

In the following diagrams, hybrid orbitals of an excited carbon atom are colored green and nonhybridized orbitals are colored black.


Which diagram shows sp3 hybridization?

a)

A

b)

B

c)

C

9.

In the following diagrams, hybrid orbitals of an excited carbon atom are colored green and nonhybridized orbitals are colored black.


Which diagram shows sp hybridization?

a)

A

b)

B

c)

C

10.

In the following diagrams, hybrid orbitals of an excited carbon atom are colored green and nonhybridized orbitals are colored black.

Which diagram shows sp2 hybridization?

a)

A

b)

B

c)

C

11.

As hybrid orbitals are identical, they arrange themselves in space to minimize repulsion between the areas of electron density, affecting the shape of the resulting molecule.

What molecular shape is associated with sp3 hybridization?

a)

1. Square planar

b)

2. Tetrahedral

c)

3. Linear

12.

As hybrid orbitals are identical, they arrange themselves in space to minimize repulsion between the areas of electron density, affecting the shape of the resulting molecule.

What molecular shape is associated with sp2 hybridization?

a)

Square planar

b)

Trigonal planar

c)

Linear

13.

As hybrid orbitals are identical, they arrange themselves in space to minimize repulsion between the areas of electron density, affecting the shape of the resulting molecule.

What molecular shape is associated with sp hybridization?

a)

Square planar

b)

Trigonal planar

c)

Linear