(a) Why does an aqueous solution of hydrochloric acid conduct electricity?
(b) Will the bulb glow if glucose solution is taken in the beaker instead of hydrochloric acid?
Why?
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Explanation:
(a) Aq. HCl conducts electricity because HCl is an ionic solid, and in solution it dissociates into H⁺ and Cl⁻, the ions help to conduct electricity.
(b) The bulb will not glow if a solution of glucose is taken, because glucose is a covalent molecule and it doesn't dissociate into ions, so electricity is not conducted and the bulb doesn't glow.
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