Chapter 11 Cycloalkane Quiz

Which fraction of petroleum is used for catalytic cracking and heating oil?

• Gases

• Gasoline

• Kerosene

• Fuel oil

What is the angle of rotation for the most crowded conformation of butane?

• 60 degrees

• 90 degrees

• 120 degrees

• 180 degrees

What is the angle of rotation for the intermediate conformation of butane?

• 60 degrees

• 90 degrees

• 120 degrees

• 180 degrees

What is the relationship between the methyl groups in the most crowded conformation of butane?

• They are farthest apart.

• They are closer to each other.

• They are closest to each other.

• They are in the same plane.

In the chair conformation of cyclohexane, how many C–H bonds are equatorial?

• Four

• Six

• Eight

• Ten

In the chair conformation of cyclohexane, how many C–H bonds are axial?

• Four

• Six

• Eight

• Ten

Which of the following statements is true about the chair conformation of cyclohexane?

• All C–H bonds are equatorial.

• All C–H bonds are axial.

• Six C–H bonds are equatorial and six are axial.

• There are no equatorial C–H bonds.

Which of the following is NOT a characteristic of the chair conformation of cyclohexane?

• Six equatorial C–H bonds

• Six axial C–H bonds

• All C–H bonds are equatorial

• Total of twelve C–H bonds

What do solid wedges represent in the cyclopentane ring diagram?

• Substituents below the ring

• Substituents above the ring

• Substituents on the side of the ring

• Substituents inside the ring

What is the name of the compound shown with dashed wedges in the diagram?

• cis-1,2-Dimethyl-cyclopentane

• 1,2-Dimethyl-cyclohexane

• trans-1,2-Dimethyl-cyclopentane

• 1,2-Dimethyl-benzene