Question

What does electrolysis of molten lead sulfite (PbS) give?

A) Lead (Pb)
B) Sulfur (S)
C) Oxygen (O2)
D) Hydrogen (H2)

Answer 1

The electrolysis of molten lead sulfite (PbS) results in the formation of lead (Pb) as a product.

Step-by-step explanation:

The electrolysis of molten lead sulfite (PbS) results in the formation of lead (Pb) as a product. At the anode, PbS is oxidized to produce Pb and sulfur dioxide gas (SO2). At the cathode, water is reduced to produce hydrogen gas (H2) and hydroxide ions (OH-). The overall reaction is:

PbS(l) + 2H2O(l) -> Pb(s) + H2(g) + 2OH-(aq)