PP Presentation
prepared by electrochemical reaction (chlor-alkali process)
2 NaCl + H2O -------> Cl2 + 2 NaOH
- 8th most important industrial chemical by mass (1010 kg/yr)
IMPORTANT USES
- disinfectant of water (as hpyochlorous acid (HOCl(aq))
Cl2 + 2 H2O ® H3O+ + Cl- + HOCl (aq)
- bleach for textiles, paper, etc (as hypochlorite (OCl-)
Cl2 + 2 OH- ® H2O + Cl- + OCl- (aq)
- organochlorine compounds: plastics, drugs
ELECTROLYSIS
CHLORINE