A cyclic hydrocarbon having carbon-carbon single bonds, as well as carbon-carbon double bonds in its molecule, is

A cyclic hydrocarbon having carbon-carbon single bonds, as well as carbon-carbon double bonds in its molecule, is C₆H₆.
The cyclic form of the compound C₆H₆ is known as benzene. Benzene has alternate single and double bonds between its carbon atoms. All other valencies are fulfilled by 6 hydrogen atoms. All the carbon atoms present in benzene are sp² hybridised.