Question

Which of the following will dissociate in aqueous solution to give a positive ion other than hydronium ion and a negative ion other than hydroxyl ion?

Options

• KOH

• dil. HCl

• NaCl

• CH₃COOH

Answer 1

NaCl

Explanation:

NaCl dissociates in water into Na⁺ and Cl⁻. KOH produces OH⁻ ions, while HCl and CH₃COOH produce H₃O⁺ ions when dissolved in water.