Nitric acid is an oxidising agent and reacts with PbO but it does not oxidise PbO2. Explain why

Nitric acid is an oxidising agent and reacts with PbO but it does not

1.	Nitric acid is an oxidising agent and reacts with PbO but it does not oxidise PbO2. Explain why
Answer» Both HNO3 and PbO2 are strong oxifing agent as in PbO2 lead os in its +4 oxiding state and want to become stable with +2 oxidation state