Question

Identify the substance oxidized and substance reduced in the following reactions 1. MnO2+4HCl gives MnCl2+2H2O+Cl2 2. CuO+H2 gives Cu+H2O

Answer 1

1. Mn reduced and cl oxidized 2. cu reduced and hydrogen oxidized

Answer 2

HCl is oxidized and
MnO2 is reduced