Which of the following salts will undergo hydrolysis and result in a solution with a pH < 7?
- NH₄Cl
- Na₂CO₃
- KCl
- CH₃COONa
📝 Batafsil tushuntirish
NH₄Cl is a salt of a weak base (NH₃) and a strong acid (HCl).The NH₄⁺ ion hydrolyzes to produce H⁺ ions, making the solution acidic.