→ These classes of compounds find wide applications in industry as well as in day-to-day life.
→ They are used as solvents for relatively non- polar compounds and as starting materials for the synthesis of wide range of organic compounds.
→ Chlorine containing antibiotic, chloramphenicol, produced by microorganisms is very effective for the treatment of typhoid fever.
→ Synthetic halogen compounds, viz. chloroquine is used for the treatment of malaria; halothane is used as an anaesthetic during surgery.
→ Certain fully fluorinated compounds are being considered as potential blood substitutes in surgery.
→ Our body produces iodine containing hormone thyroxine the deficiency of which causes a disease called goiter.