Which of the following gives $H_2O_2$ on hydrolysis?

In the reaction between $BaO_2$ and $H_2SO_4$,the oxidation state of the most electronegative element in the products is .......

$A$ : The $O-O$ bond length in $H_2O_2$ is smaller than that in $O_2F_2$.
$R$ : $H_2O_2$ is an ionic compound.

Complete the following reactions:
$(i) \ O_2^{2-} + H_2O \to $
$(ii) \ O_2^- + H_2O \to $

What is the product formed when $I_2$ reacts with $H_2O_2$ in a basic medium?

Which of the following oxides will produce hydrogen peroxide upon reaction with dilute acid?