Mono - substituted benzene derivatives are named by pre-fixing the name of

The general formula of a cycloalkane is

On the basis of the number of benzene rings aromatic hydrocarbons can be categorized into

If there is a substituent on the ring which gives a special name to the molecule is?

The term aromatic was derived from Greek word means

Removal of one hydrogen atom from an alkane is called as

The bond length of C-C in Benzene are exactly