Name the only compound which is covalent but on dissolving in water it conducts electricity ?
HCl is the only compound which is covalent but on dissolving in water it conducts electricity.
Pure HCl is called hydrogen chloride and it is a gas at standard temperature and pressure. When the gas is dissolved in water, we call that solution hydrochloric acid. So hydrochloric acid is an aqueous solution of HCl in water.