Preparation of Cl2 from HCl and MnO2 involves the process of :
oxidation of MnO2
oxidation of chloride
reduction of MnO2
dehydration
A
oxidation of chloride
B
dehydration
C
oxidation of MnO2
D
reduction of MnO2
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Solution
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The reaction is as follows: MnO2+4HCl→MnCl2+2H2O+Cl2 +4 -1 +2 0 So, oxidation of HCl and reduction of MnO2 takes place.
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