Wed April 18, 2012 By: Rajat Jain

Maganese Oxide + 4 hyrogen Chloride -> Manganese Chloride + 2 water + Chlorine According to book Hydrogen should be gain but here has not gained So, why it is called oxidised reaction. Related to (NCRT book).

Expert Reply
Thu April 19, 2012
MnO +  4HCl ? MnCl2  + 2H2O + Cl2
The oxidation state of Cl in HCl is -1 and in Cl2 it is 0.thats why the reaction is oxidation reaction because of increase in oxidation number.
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