Look at the following reaction. Comment on X; is it oxidizing or reducing?
X+Hydrochloric acid→Salt+Water+Chlorine
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Oxidizing agent+Hydrochloric acid→Salt+Water+Chlorine
Manganese (IV) oxide, lead (IV) oxide and red lead (Pb3O4) react with concentrated hydrochloric acid to liberate chlorine. (a) Name the common property exhibited by these metal oxides. (b) Write the equation for the reaction of concentrated hydrochloric acid with Pb3O4.