A substance, which conducts electricity when dissolved in water is known as an electrolyte. They play a vital role in various body functions. All the humans require electrolytes to thrive, various involuntary procedures in the body depend on a small electric current to work, and electrolytes offer this charge.
All the electrolytes exhibit free cations and anions, and it is these anions and cations that possesses the tendency to move and carry a charge and thus brings conductivity in electrolytes.