Question

MnO2 + 4HCI -> MnCI2 + 2H2O + CI2
In the above equation, name the compound which is oxidized and which is reduced?

Answer 1

MnO2 + 4HCI -> MnCI2 + 2H2O + CI2

Oxidized entity - HCl
reduced entity - MnO2

Answer 2

MnO₂ + 4HCI -> MnCI₂ + 2H₂O + CI₂

In this reaction,
the reduced compound is MnO₂ (which is the oxidizing agent)
the oxidized compound is HCl (which is the reducing agent)

Note: Oxidizing agent gets reduced and reducing agent gets oxidized in  a reaction.