JEE Main 2019 Chemistry question

ChemistryElectrochemistryJEE Main 2019

Given: Co + e → Co; E° = +1.81 V; Pb + 2e → Pb; E° = +1.67 V; Ce + e → Ce; E° = +1.61 V; Bi + 3e → Bi; E° = +0.20 V. Oxidizing power of the species will increase in the order:

Answer: (D)

Solution

Higher reduction potential ⇒ stronger oxidant.

Question ID VK-010166