Predict the Species That Will Be Reduced First If a Mixture

Multiple Choice

Predict the species that will be reduced first if a mixture of molten salts containing the following ions undergoes electrolysis: Cd²⁺, Ni²⁺, Sn²⁺, Al³⁺, Pb²⁺

A) Pb²⁺
B) Al³⁺
C) Sn²⁺
D) Ni²⁺
E) Cd²⁺