Multiple choice

Which of the following gases is formed at the anode, which is connected to the positive terminal of the battery when electric current is passed through acidified water?

  1. Hydrogen

  2. Nitrogen

  3. Oxygen

  4. Argon

  5. Helium

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option. Oxygen is formed at the anode, which is connected to the positive terminal of the battery when electric current is passed through acidified water.