6.1 Benzene

6.1.1 Introduction to Benzene

Keywords:

• Kekulé

• Delocalised

• Hydrogenation

• Arenes

• Aromatic compounds

• Phenyl-

Year 2: Pages 164-167

Open Ended

What do you know about benzene already (if anything)?

Multiple Choice

What's the formula for benzene?

• C₈H₈

• C₆H₆

• C₆H₁₂O₆

• C₆H₁₂

Open Ended

Benzene used to be used in cosmetics and to help process comsumable products. Why do you think this is not longer the case?

Open Ended

Having looked at the display and skeletal formula for benzene on the previous slide how would you describe the Kekulé model for the structure of benzene?

Multiple Choice

Select the kekulé model for drawing benzene.

Fill in the Blank

kekulé altered his model later to explain some anomalies in it's chemical properties. He states that benzene was constantly flipping between two different ......................

Open Ended

Describe one inconsistency with the Kekulé model for benzene.

Fill in the Blank

Name the functional group in cyclohexene.

Open Ended

How do you think the delocalised model for benzene differs from the kekulé model?

Fill in the Blank

Benzene has a ..................... structure. (How would you describe the shape of a benzene molecule).

Multiple Choice

The two delocalised rings in the delocalised model for benzene is formed by what type of bond?

• sigma

• pi

Fill in the Blank

Name this aromatic compound.

Fill in the Blank

Name this aromatic compound.

Fill in the Blank

Name this aromatic compound.