Chemistry - Electrochemistry Question with Solution | TestHub

Fe, Mg, Al and Zn can easily displace${\mathrm{H}}_2$from acids due to more reactivity as they are having more${\mathrm{E}}_{\mathrm{O}\mathrm{P}}^{\mathrm{o}}$than hydrogen.
Cu, Ag, Au can not do it as they have low${\mathrm{E}}_{\mathrm{O}\mathrm{P}}^{\mathrm{o}}$than hydrogen.