Question

The species which will behave both as conjugate acid and conjugate base is ______.

विकल्प

• NH₄OH

• \[\ce{CO^{2-}_3}\]

• \[\ce{HSO^{-}_4}\]

• H₂SO₄

Answer 1

The species which will behave both as conjugate acid and conjugate base is \[\ce{\underline{HSO^-_4}}\]