How many groups of halocarbons are there?

Halocarbons are compounds that consist of carbon and halogen atoms. They are typically categorized into three distinct groups based on their structures and the number of halogen atoms present.

The first group is alkyl halides, where one or more hydrogen atoms in an alkane have been replaced by halogen atoms. The second group is aromatic halides, which are halogenated derivatives of aromatic compounds. The third group includes polyhalogenated compounds, where more than one halogen atom is substituted on a carbon compound.

This classification helps in understanding the properties, behaviors, and environmental impacts of halocarbons, especially considering applications in refrigeration, solvent usage, and the implications for ozone depletion and global warming. The distinction of these three groups is crucial for regulatory, environmental, and scientific discussions around halocarbon use and safety.