Question

H₂O₂ can be obtained when the following reacts with H₂SO₄ except with:

Options

• PbO₂

• BaO₂

• Na₂O₂

• SrO₂

Answer 1

PbO₂

Explanation:

\[\ce{BaO2 + dil H2SO4 -> BaSO4 + H2O2}\]

\[\ce{Na2O2 + dil H2SO4 -> Na2SO4 + H2O2}\]

\[\ce{SrO2 + dil H2SO4 -> SrSO4 + H2O2}\]

\[\ce{PbO2 + dil H2SO4 -> PbSO4 + H2O + 1/2 O2 ^}\]

PbO₂ + H₂SO₄ can not give H₂O₂, instead of it gives \[\ce{H2O + 1/2 O2 ^}\].