Rohan heard that instructions were given to the laboratory attendant to store a particular chemical, i.e., keep it in the darkroom, add some urea in it, and keep it away from dust. This chemical acts as an oxidising as well as a reducing agent in both acidic and alkaline media. This chemical is important for use in the pollution control treatment of domestic and industrial effluents.
(i) Write the name of this compound.
(ii) Explain why such precautions are taken for storing this chemical.

Answers (1)
  1. H_{2}O_{2}
  2. The compound is used in many industries such as textile and paper, bleaching agent and is composed of light and dust particles. It is widely employed to curb pollution by reducing it through oxidised action of harmful cyanides and reducing the effluents. It can function as both, an oxidising and reducing agent and thus is stored in the dark, away from dust as these can cause harmful chemical reactions.

 

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