There are two classes of hydrocarbons: saturated and unsaturated. In a saturated hydrocarbon, each carbon atom is bonded to four atoms. In an unsaturated hydrocarbon, there is one or more double or triple bonds. A special case of an unsaturated hydrocarbon is benzene. Duration: 6:34.
VIDEO CHECK QUESTIONS
12.6a Carbon always forms four bonds. How is it possible, therefore, for carbon to be bonded to less than four different atoms?
12.6b What is an aromatic compound?
12.6c What type of multiple bond is found in acetylene?
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