The compounds of hydrogen and carbon in which all the four valencies of the carbon are not fully utilized and they contain a double bond are called alkenes. For example : butene and ethene. Alkenes are unsaturated hydrocarbons.
The simple answer is no. Benzene has intermediate bonds (3 electrons) instead of the alternating double bonds proposed by Kekule. The forth electron in the P orbital becomes delocalised to form two...
Alkene's are a group of chemicals that contain only Hydrogen and Carbon, have a general formula, similar chemical properties and gradually changing physical properties. The simplest alkene is ethene...