QUOTE
Alkenes alkanes arenes carboxylic acids ketones and aldehydes oh my!
and whats that in english?
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In order, an alkene is a non cyclic organic compound which is non-saturated, i.e. contains double Carbon - Carbon Bonds. eg CH2=CH2.
An alkane is similar but saturated, no double bonds. eg CH3-CH3
An arene is cyclic. eg C6H6
A carboxylic acid has a double bonded Oxygen atom and a Hydroxyl group, (OH), on one of it's Carbon atoms. eg CH3-COOH
A ketone has an Oxygen atom double bonded to a Carbon on a non terminal Carbon atom. eg CH3-CO-CH3
An aldehyde has the double bonded Oxygen on a terminal Carbon. eg CH3-CHO