Question

In the reaction MnO2 + 4HCl gives MnCl2 + 2H2O + Cl2 name the compound oxidised , reduced

Answer 1

Removal of hydrogen from a compound is known as oxdation

1) HCl gets oxidized ( as hydrogen is removed)

2) MnO2 is reduced (as an electronegative element is added to it)

Answer 2

Oxidised compound = HCl.

Reduced compound = MnO2.