Here in this video we're going to take a look at naming mono substituted benzene. Here we're going to say a monosubstituted benzene is a compound where benzene is the parent chain with only one substituent.
Now here, this represents the simplest benzene to name, and because there's only one substituent, the location of that substituent is not necessary. So in terms of our naming convention, we have our substituent name followed by the end of the name as benzene.