CH-201
Formation of ions
Chemistry · Secondary 3 · Medium · Formation of ions
Hydrogen chloride gas is bubbled into water to form hydrochloric acid. Which statement best explains why this solution conducts electricity well?
- The solution contains free electrons that move between water molecules.
- HCl molecules remain neutral but move faster in water.
- HCl molecules ionise to form mobile H⁺ and Cl⁻ ions in water.
- Water molecules break into atoms that carry the current.
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