Definition
A carbocation in which the positive charge resides on a vinylic carbon atom. This type of carbocation is very unstable and will not readily form in most cases.
Explanation
Any of various organic chemical compounds, including acrylic compounds and styrene, and its derivatives that are useful in making plastic film; sheeting and etc. They contain the hydrocarbon vinyl group (CH2=CH-). The molecules of a single vinyl compound can be made to polymerize; as into join end to end, forming a polyvinyl compound like; polyvinyl chloride.