Select the wrong statement.

Options

A. The electrolysis of molten `CaH_(2)` liberates `H_(2)` at cathode
B. During the discharge of lead storage battery, sulphuric acid is consumed.
C. Sulphur acts as a polymerizing agent in the vulcanization of rubber.
D. Galvanization of iron denotes coating with `Zn`.

Answer

a

Explanation

Statement `(a)` is wrong.
`2H^(c-)overset(At)underset(anode)rarrH_(2)+2e^(-), ` not at cathode