CHLORINE

DIFFERENT CONDITIONS AND EQUATIOS FOR CHLORINE REACTIONS

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  • Created by: melissa
  • Created on: 08-04-12 13:49

chlorine

Used in water treatment

Very dilute

Cl2  can react to form organochloride compounds (toxic)

Conditions- normal

                Cl2(aq) + H2O(l) ↔ HClO + HCl

                Cl2(aq) + H2O(l) ↔ 2H+ +ClO- + Cl-

Pale green due to the presence of Chlorine

Red when UI added due to chloric (1) acid but then bleaches

Used in swimming pools and disinfectants

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Chlorine

Conditions- bright sunlight

                2Cl2(aq) + 2H2O(l) → 4HCl + O2

                2Cl2(aq) + 2H2O(l) ↔ 4H+ + 4Cl- + O2

Conditions- with NaOH

Cold (15 c) dilute NaOH

                Cl2(aq) + 2NaOH(l) → NaCl + NaOCl + H2O

Sodium chlorate (1)

Used in domestic bleach

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Chlorine

Heated (above 70c)

3NaOCl → 2NaCl + NaClO3

NaClO3 is a powerful weed killer

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