Question

On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be:

• A. Hydrogen gas
• B. Oxygen gas
• C. $H_2S$ gas
• D. $SO_2$ gas

Answer 1

Answer: (B)

Oxygen gas

Answer 2

$H_{2}SO_{4}$ (dilute) on electrolysis using Pt electrodes forms $H_{2}$ gas at cathode and $O_{2}$ gas at anode