Structure of benzene

Fill in the Blank

What is the molecular formula of benzene?

Multiple Choice

Which of the following is Kekule's structure able to explain?

• Contains six carbons and six hydrogens

• The carbons are all equally spaced apart

• Does not readily undergo electrophilic addition

Fill in the Blank

Electrophilic addition of a carbon-carbon double bond with hydrogen releases about 120 kJ/mol of energy. What is the energy change in kJ/mol for hydrogenating three carbon-carbon double bonds?

Multiple Choice

In forming a pi-bond within a double bond, carbon typically uses which type of orbital?

• s

• px

• py

• pz

Fill in the Blank

What is the molecular formula of cyclohexane?