जॉइन Examsbook
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प्र: Which of the following acts both as oxidising and reducing agent?

  • 1
    nitric acid
  • 2
    ammonia
  • 3
    nitrous acid
  • 4
    nitrogen peroxide
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उत्तर : 3. "nitrous acid"
व्याख्या :

Answer: C) nitrous acid Explanation: Nitrous acid act as an oxidising agent because it oxidises potassium iodide to iodine. It is also a reducing agent because it decolourises acidified potassium permanganate solution. Nitric acid acts only as an oxidising agent Ammonia acts only as a reducing agent Nitrogen peroxide acts only as an oxidising agent.

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