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Chlorination of H2O
> __(g) + H2O(l) → __(aq) + __(aq)
ox #: __ -1 __
Cl2, HCl, HOCl, 0, +1
HOCl: __(i) acid
> HOCl & __- sterilises H2O by killing b__
chloric, OCl, bacteria
Chlorine in cold NaOH (__°C)
> __(aq) + 2NaOH(aq) → __(aq) + __(aq) + __(l)
ox #: __ -1 +1
15, Cl2, NaCl, NaOCl, H2O, 0
Chlorine in hot NaOH (__°C)
> 3__(aq) + 6NaOH(aq) → 5__(aq) + __(aq) + 3__(l)
ox #: 0 -1 __
70, Cl2, NaCl, NaO3Cl, H2O, +5
These reactions (both o__ & r__ of the same species occur) are known as __
oxidation, reduction, disproportionation