Which one of the following does $NOT$ readily give oxygen upon heating?

Write chemical reactions to justify that hydrogen peroxide $(H_{2}O_{2})$ can function as an oxidising as well as a reducing agent.

What is the volume strength of $3.0 \, N$ $H_2O_2$ solution in liters?

The volume (in $mL$) of $10$ volume $H_2O_2$ solution required to completely react with $200 \ mL$ of $0.4 \ M \ KMnO_4$ solution in acidic medium is

The starting material for convenient preparation of deuterated hydrogen peroxide $(D_2O_2)$ in the laboratory is:

In which of the following reactions,oxygen is not liberated?