1. Section 4 & 5 Made by Stephen Gong Taught by Tina & Matt

2. Cyclic Hydrocarbons In some hydrocarbon compounds, the carbon chain is in the form of a ring. Compounds that contain a hydrocarbon ring are called Cyclic hydrocarbons.

3. Cyclic Hydrocarbons

4. Benzene & aromatic compound Benzene: C 6 H 6, the simplest example of an aromatic compound. Aromatic compound: an organic compound that contains a benzene ring or other ring in which the bonding is like that of benzene ;has a odor

5. The structure of Benzene In a benzene molecule, the bonding electrons between carbon atoms are shared evenly around the ring.

7. Substituted Aromatic Compounds Substituent: an atom or group of atoms that can take the place of a hydrogen atom on the chain. When the benzene ring is a substituent on an alkane, the C6H6 group is called a phenyl group Suitable for IUPAC system

10. Name the following compounds

11. The molecules of both cyclohexane and benzene have six carbon atoms bonded in a ring. What is the difference between these two compounds

12. Natural Gas An important source of alkanes of low molar mass.

13. Petroleum The refining process starts with the distillation of petroleum(crude oil) into fractions according to boiling point.

15. Coal Classified by its hardness and carbon content. Composition: consists largely of condensed aromatic compounds of extremely high molar mass. These compounds have high proportion of carbon compared with hydrogen.

17. Review Topics Naming and drawing chain structure Alkane,Alkene,Alkyne General concept(straight chain/ branched chain/saturated compounds/unsturated compounds/cyclic hydrocarbons) Isomers(different types /concept/ drawing) Benzene & substituted Aromatic compounds(concept/naming /drawing) In our daily life

18. Homework Review by yourself Made a flashcard as the cheat sheet (Only one side) Going to have a 20-mins Jeopardy,Be ready !~There will be extra points for the winning team