Organic Chemistry - Chapter 1

Organic Chemistry

The branch of chemistry which deals with carbon compounds, including those with no relationship to life.

Saturated Hydrocarbon

Contain only only carbon-to-carbon single bonds. The most chemically inert of all organic compounds.

Unsaturated Hydrocarbon

Contain carbon-to-carbon double or triple bonds.

Carbon

An element that has the capacity to share four electrons in order to achieve a more stable configuration.

Hydrocarbon Molecule

Contains only carbon and hydrogen. Can be divided into aliphatic and aromatic classes.

Substituted Hydrocarbon

One or more hydrogen atoms are replaced by another atom or group of atoms called a Functional Group.

Aliphatic Hydrocarbon

A saturated hydrocarbon that contains only hydrogen (the maximum number) and carbon. Does not contain benzene ring.

Aromatic Hydrocarbon

Contain at least one benzene ring or similar structural features.

Benzene

Consists of a ring of six carbon atoms with alternating single and double carbon-carbon bonds.

Alkanes

(CnH2n+2)

Cycloalkanes

(CnH2n)

Structural Isomerism

Compounds that have identical molecular formulas but different structures.

Cis-trans Isomerism

The formation of cis-trans isomers is a consequence of the absence of free rotation. Geometric isomers that only differ from each other in the 3-dimensional arrangement of the substituents in space. They have identical bonding and substituents.

Alkane

Saturated hydrocarbons (containing only carbon-to-carbon single bonds); derivatives of methane. Noted by the suffix "-ane" and sometimes by the prefix "cyclo-

Alkene

Unsaturated hydrocarbons containing at least one carbon-to-carbon double bond. Noted by the suffix "-ene

Alkyne

Unsaturated hydrocarbons containing at least one carbon-carbon triple bond. Noted by the suffix "-yne

Functional Group

An atom or group of atoms arranged in a particular way that is primarily responsible for the chemical and physical properties of the molecule in which it is found. There are a total of 10 of these.

Alcohols

Organic compounds that contain the hydroxyl group (R-OH). Noted by the the suffix "-ol

Carboxylic Acids

Organic compounds that contain the carboxyl functional group, also referred to as organic acids. Noted by the suffix "-oic acid

Esters

Organic compounds formed by the reaction between a carboxylic acid and an alcohol. Noted by the suffix "-oate

-yl

Nomenclature for the alchohol group in an ester.

-oate

Nomenclature for the acid group in an ester.

Aldehydes

Hydrocarbon derivatves in which two of the hydrogen atoms, attached to a terminal carbon, have been replaced by a double-bonded oxygen atom (carbonyl group). Noted by the suffix "-al

Ketones

Organic compounds containing the carbonyl group attached to two organic radicals. Noted by the suffix "-one

Ethers

An organic compound whose molecules have two alkyl groups joined to the same oxygen atom (R-O-R). Noted by the suffix "-oxy" and "-ane

Amines

Organic compounds derived from ammonia by replacement of one or more of its hydrogen atoms by one or more hydrocarbon radicals (R-NH-R). Noted by the prefix "amino-

Amides

Organic compounds whose molecules have a carbonyl nitrogen bond. They are the product formed in a reaction between a carboxylic acid and an amine.

Meth-

Prefix - 1 carbon.

Eth-

Prefix - 2 carbons.

Prop-

Prefix - 3 carbons.

But-

Prefix - 4 carbons.

Pent-

Prefix - 5 carbons.

Hex-

Prefix - 6 carbons.

Hept-

Prefix - 7 carbons.

Oct-

Prefix - 8 carbons

Non-

Prefix - 9 carbons

Dec-

Prefix - 10 carbons.