Question

common salt conducts electricity only in molten state wht ?

Answer 1

Electrical conductivity depends on free moving charged particles. In the solid form, the Naï½Âï½ and the Clï½Âï½ ions are bound up in the crystal lattice and the crystal does

Answer 2

Because in molten state it ionised itself due to presence of charged particles , the commin salt conduct electricity.
Hope it's helpful to u ..