Hydrogen peroxide is

• A

  an oxidising agent
• Correct answer
  B

  a reducing agent
• C

  both an oxidising and a reducing agent
• D

  neither oxidising nor reducing agent

Solution

So, \(\mathrm{H}_2 \mathrm{O}_2\) (hydrogen peroxide) can act both as oxidising agent and reducing agent.

Hence, the correct answer is option: 'B'.