Types of Chlorine Compounds

◆Types of Chlorine Compounds◆

1) Free chlorine (Cl2)

• It is used in the form of liquids.
• If temp. of water is less than 100 C, liquid chlorine converts into solid crystals
and settles down in water.
• If temp of water is more than 920C, it is converted into gaseous form which is
explosive in nature.
• The optimum temp range for use is 35-480C.
• Free chlorine does not form any sludge.

2) BleachingPowder (CaOCl2)- Calcium oxy chloride.

• Due to bleaching powder, hypochlorous acid is formed.
• It is used for treatment of water in swimming pools.
• Not used for treatment of water in pipes as it causing choking of pipes