Explain why, a salt which does not conduct electricity in the solid state becomes a good conductor in molten state.

What type of chemical bonds are present in a solid compound which has a high melting point, does not conduct electricity in the solid state but becomes a good conductor in the molten state?.

The substance which conducts electricity in the solid state is

Explain why does sodium chloride, a nonconductor , of electricity in the solid state, becomes a good conductor of electricity when dissolved in water or in the molten state.

Why is NaCl a bad conductor of electricity in the solid state?

Explain the following: (a) Sodium chloride is an ionic compound which does not conduct electricity in solid state whereas it does conduct electricity in molten state as well as in aqueous solution. (b) Reactivity of aluminium decrease if it is dipped in nitric acid. (c) Metals like calcium and magnesium are never found in their free state in nature.

Explain why, a solution of cane sugar does not conduct electricity but solution of common salt is a good conductor of electricity.