The correct response is: sodium chloride dissociates into ions and the sucrose does not.
When sodium chloride (NaCl) is added to water, it dissociates into sodium ions (Na⁺) and chloride ions (Cl⁻). Sucrose (C₁₂H₂₂O₁₁), on the other hand, does not dissociate into ions when dissolved in water; it simply dissolves as whole molecules.