Q29 of 74 Page 207

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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