KOH+Cl2-----> KClO3+KCl+H2O

Balance using oxidation number method. Plz answer immediately.

Oxidation half reaction:

 

To balance oxidation number, we add 5e- to the right side

   ..............................................................................(i)

Reduction half reaction:

 

To balance oxidation number, we add 1 e- to the left side

 ...............................................................................(ii)

Now multiply (ii) equation by5 and then add (i) and (ii) equation

Now to balance all other atoms of complete disproportionation reaction:

3Cl2 + 6KOH KClO3 + 5KCl + 3H2O

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