 23.1-23.3.  Functional Group: a specific arrangement of atoms in an organic compound that is capable of characteristic chemical reactions.  Organic.

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Presentation transcript:

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 Functional Group: a specific arrangement of atoms in an organic compound that is capable of characteristic chemical reactions.  Organic compounds are classified based on their functional groups.

 “ R” represents any carbon chains or rings attached to the functional group.  Functional groups give compounds unique properties.

 1) Halocarbons: A carbon containing compound with a halogen substituent.  Halogen: fluorine, chlorine, bromine, or iodine.

 Substitution Reactions: when an atom or group of atoms REPLACES another atom or group of atoms.  A halogen can replace a hydrogen atom on an alkene.

 Halocarbons can then be substituted with an Arrhenius base to make the functional group: Alcohol

 An Alcohol is an organic compound with an –OH group.

Ethanol (ethyl alcohol) is a common component of many household products. Fermentation is the production of ethanol and carbon dioxide from sugars by the action of yeast or bacteria.

 Ether: an organic compound in which carbon is bonded to two carbon groups.

 The earliest anesthetics, used during the Civil War, belonged to a class of chemical compounds called ethers.

 An aldehyde is an organic compound in which the carbon of the carbonyl group is always joined to at least one hydrogen.  **Carbonyl Group**

 A ketone is an organic compound in which the carbon of the carbonyl group is joined to two other carbons.

o Uses of Aldehydes and Ketones Many aldehydes and ketones have distinctive odors. Aromatic aldehydes are often used as flavoring agents. Benzaldehyde is known as oil of bitter almond. Cinnamaldehyde is the source of the odor of oil of cinnamon. Vanillin, an aldehyde, comes from vanilla beans. A solvent used to remove nail polish is acetone, a ketone.

 A carboxylic acid is a compound with a carboxyl group. The general formula for a carboxylic acid is RCOOH.

 Carboxylic acids give a variety of foods—spoiled as well as fresh—a distinctive sour taste. Also makes up fatty acids--- used in candles, waxes, etc.

 Esters contain a carbonyl group and an ether link to the carbonyl carbon. The general formula for an ester is RCOOR.

Esters impart the characteristic aromas and flavors of many flowers and fruits. Marigolds, raspberries, and bananas all contain esters.

 Hydration: Addition reaction using water