First slide

Hydrogen Peroxide

Question

HCl is added to following oxides. Which one would give $H_{2} O_{2} ?$

Moderate

A

${MnO}_{2}$
B

${PbO}_{2}$
C

BaO
D

None of these

Solution

${MnO}_{2}$ , ${PbO}_{2}$ and BaO will not give $H_{2} O_{2}$ with $HCl . {MnO}_{2}$ and ${PbO}_{2}$ will give ${Cl}_{2}$ and BaO will react with HCl to give ${BaCl}_{2}$ and water.

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