Rohan heard that instructions were given to the laboratory attendent to store a particular chemical, i.e., keep it in the dark room,add some urea in it, and keep it away keep form 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 contral teratment of domestic and industrial effluents .

Answer

N/a

Explanation

(i) The name of the compound is hydrogen peroxide,`H_(2)O_(2)`. It acts as an oxidising agent as well as reducing agent in both acidic and basic medium.
(i) `H_(2)O_(2)` decomposes slowly on exposure to light and dust particles. In the presence of metal surfaces or traces of alkali present in glass containers, the decomposition of `H_(2)O_(2)` is catalysed.
It is, therefore, stored in wax lined glass or plÄ…stic vessels in dark. Urea is added as a negative catalyst or stabiliser to check its decomposition.
`2H_(2)O_(2)(l) overset(hv)to 2H_(2)O(l) +O_(2)(g)`