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.

Answer

(a) (i) HCl is oxidized

MnO₂ is reduced

(b) 

Oxidation: Gain of Oxygen or loss of Hydrogen

Reduction: Gain of Hydrogen or loss of Oxygen