Linked from
The 25 pages that link to Chlorination, each with the reason it gives.
HalogenRelated: Chlorine's reactivity makes it useful for disinfecting drinking water and pools.
Swimming poolRelated: Chlorine is widely used to limit microbial growth in pools.
1,2-DichloroethaneNarrower topic: Direct chlorination of ethylene is one way to make this compound.
Nitrosyl chlorideRelated: NOCl can act as a source of electrophilic chlorine in organic reactions.