Which of the following is classified as a weak electrolyte?
HCl
NaOH
NH₃
K₂SO₄
📝 Batafsil tushuntirish
NH₃ (ammonia) is a weak base that only partially ionizes in water. HCl and NaOH are a strong acid and a strong base, respectively, and K₂SO₄ is a soluble salt; all three are strong electrolytes.