Which one of the following property is generally not exhibited by ionic compounds?
(a) Solubility in water.
(b) Electrical conductivity in the solid state.
(c) High melting and boiling points.
(d) Electrical conductivity in the molten state.
Answer :
(b) Electrical conductivity in the solid state.
Because ionic compounds conduct electricity only in a molten state or when dissolved in water to form an aqueous solution.