The substances that conduct electric current in aqueous solution are called electrolytes. Electric current decompose an electrolyte into its ions. The process of decomposition of electrolytes into its ions is called electrolysis. For example electric current is passed through an aqueous solution of sodium chloride. It is ionized into Na and Cl’. Na is deposited at cathode and chlorine (Cl) gas at the anode. Acids, bases and salts are electrolytes.


The substances which do not conduct electric current are called non – electroly0s. Non — electrolytes do not ionized. Sugar, lipids and alcohols are non-electrolytes.



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