Can NaCl conduct electricity?

Yes, sodium chloride (NaCl), commonly known as table salt, can conduct electricity, but only when it is dissolved in water or melted. In its solid form, NaCl does not conduct electricity because the ions are fixed in place within the crystal lattice and cannot move freely.

How NaCl Conducts Electricity

When NaCl is dissolved in water, it dissociates into sodium ions (Na⁺) and chloride ions (Cl^-). These ions are charged particles that can move freely in the solution, allowing the solution to conduct electricity.

Key Points to Remember

• Solid State: NaCl does not conduct electricity.
• Aqueous Solution: NaCl conducts electricity when dissolved in water.
• Melted State: NaCl can also conduct electricity when melted.

In summary, while solid NaCl is an insulator, it becomes a good conductor of electricity in its dissolved or molten forms due to the mobility of its ions.