Organic Chem.

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Presentation transcript:

Organic Chem

Cyclic Hydrocarbons: A cyclic hydrocarbon is one that contains a hydrocarbon ring. Rings with 5 or 6 carbons are the most abundant To name a cycloalkane (cyclic hydrocarbon where all carbons are single bonded) just add “cyclo” as a prefix to the corresponding alkane name 2nds one is cycloctane

Aromatic compounds Contain benzene rings (or similar) Benzene Ring: C6H6 in a ring like structure Many have a sweet scent (Aroma), hence the name aromatics Any Organic compound that is not considered an aromatic compound is an aliphatic compound.

Benzene ring The benzene molecule is a 6 carbon ring, each carbon bonded to one hydrogen leaving one electron from each carbon free to participate in a double bond. Structural diagram Line Drawing

Benzene In benzene the electrons are actually shared evenly thoughout the ring, so each bond is actually a hybrid of a single and double bond. Benzene is the simplest aromatic compound

Polymers Organic molecules can bond together to form long chains of atoms. A polymer is a large molecule formed by the covalent bonding of repeating smaller molecules. The small molecules that combine to form a polymer is called a monomer.

Polymers Plastics are made up of polymers. Polyethylene is a common polymer used to make plastic bottles, containers and toys. Polyethylene is made from several ethane molecules combining together to form a long chain.

PVC (polyvinyl chloride) is also a polymer used to make pipes and vinyl fabrics. It is made by chloroethene molecules bonding together.

Assignment You should be able to finish all of the assignments in the booklet now.