Question

Select the correct answer from the list given in brackets:
An aqueous electrolyte consists of the ions mentioned in the list, the ion which be discharged most readily during electrolysis.
$[F{e}^{2+},C{u}^{2+},P{b}^{2+},H^{+}]$

Answer 1

Metals that are present on the top of the reactivity series ionize easily but are difficult to displace whereas the metals that are at the bottom are difficult to ionize but are easy to displace.$Cu$ is at the bottom so will displace readily as compared to others.