In the electrolysis of dilute H₂SO₄ with Pt electrodes, what gas is liberated at the cathode?
Cathode: 2H₂O + 2e⁻ → H₂ + 2OH⁻ . Hydrogen gas is liberated.
Ref: NCERT Class 12 Chemistry > Chapter 2: Electrochemistry > Topic: Electrolytic Cells and Electrolysis and Faraday's Laws