Answer:
Step-by-step explanation:
Nicotine is a type of alkaloid that has two ring structures so-called as a bicyclic compound. In this compound, one ring is a pyridine cycle and the other is a pyrrolidine cycle. The molecular formula of this compound is
and this compound has three double bonds that are present in the pyridine cycle. It is a stimulant and addictive. It is used for different purposes such as treating tobacco disorder and some other.