• # question_answer HCl is added to the following oxides which one would give ${{H}_{2}}{{O}_{2}}$ [Kurukshetra CEE 1998] A) $Mn{{O}_{2}}$ B) $Pb{{O}_{2}}$ C) $Ba{{O}_{2}}$ D) None of these

$Ba{{O}_{2}}+2HCl\to BaC{{l}_{2}}+{{H}_{2}}{{O}_{2}}$