Classification of organic compounds

Which radical make by the elimination of H from butane.

• Butyl

• Propyl

• Methyl

• Pentyl

Differentiate between saturated and unsaturated hydrocarbons.

What is common in all these structures?

They are all ​ ​ (a)  

• homocyclic compounds
• heterocyclic compounds
• aromatic hydrocarbons
• aliphatic compounds

Draw n-propyl and Iso-propyl radicals

Draw any homocyclic compound with its IUPAC name.