(A) Draw the gas phase and solid phase structure of ${\mathrm{H}}_2{\mathrm{O}}_2$.
(B) ${\mathrm{H}}_2{\mathrm{O}}_2$ is a better oxidising agent than water. Explain.

Consider the reactions

(A) ${\mathrm{H}}_2{\mathrm{O}}_2 + 2\mathrm{HI} \to {\mathrm{I}}_2 + 2{\mathrm{H}}_2\mathrm{O}$  

(B) $\mathrm{HOCl}+{\mathrm{H}}_2{\mathrm{O}}_2\to {\mathrm{H}}_3{\mathrm{O}}^{+}+{\mathrm{Cl}}^{–}+{\mathrm{O}}_2$

Which of the following statements is correct about ${\mathrm{H}}_2{\mathrm{O}}_2$ with reference to these reactions? Hydrogen peroxide is _____.