In the reaction: MnO2 + 4HCl → MnCl2 + 2H2O + Cl2

Chemical Reactions & Equations (C10)

In the reaction:

MnO2 + 4HCl → MnCl2 + 2H2O + Cl2

  1. Name the compound (i) oxidised, (ii) reduced.
  2. Define oxidation and reduction on its basis.


(a) (i) HCl is oxidized

MnO2 is reduced


Oxidation: Gain of Oxygen or loss of Hydrogen

Reduction: Gain of Hydrogen or loss of Oxygen