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Question
MnO2, PbO2 and red lead react with conc. HCl acid to liberate Cl2.
What is the common property being shown by these metal oxides?
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Solution
MnO2, red lead(Pb3O4), and PbO2 are all powerful oxidizing agents that exhibit a reducing property when reacting with conc. HCl is used to liberate Cl2 (gas), and oxidizing chemicals oxidize the conc. HCl converts to chlorine.
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