The structure of $H_2O_2$ is

Based on the given reaction scheme,identify which of the following statements is $CORRECT$?
$C + A \rightarrow B_2H_6 + B + H_2$
$B_2H_6 + NaH \rightarrow C$
$A + Na_2S_2O_3 \rightarrow B + Na_2S_4O_6$

The $pH$ of a solution of $H_2O_2$ is $6.0$. Some chlorine gas is bubbled into this solution. Which of the following is correct?

When $CO_2$ is bubbled through a solution of barium peroxide in water:

$A$ commercial sample of $H_{2}O_{2}$ is labeled as $10 \text{ V}$. Its percentage strength is nearly:

Hydrogen peroxide converts manganese $(II)$ hydroxide rapidly into ' . . . . . . ' in alkaline medium. Which of the following compounds is suitable for filling in the blank?