How can you prepare Cl2 from HCl and HCl from Cl2? Write reactions only.

1) By Deacon’s process Cl2 can be prepared from HCl in


presence of CuCl2


4HCl + O2 → 2Cl2 + 2H2O


2) Cl2 on treating with water gives HCl


Cl2 + H2O → HCl + HOCl


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