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Question: Which of the following act as a stabilizer for the storage of \(H_{2}O_{2}\)?...

Which of the following act as a stabilizer for the storage of H2O2H_{2}O_{2}?

A

Alkali

B

Dust

C

Urea

D

None of these

Answer

Urea

Explanation

Solution

: H2O2H_{2}O_{2}decomposes slowly on exposure to light.

2H2O2(l)→2H2O(l)+O2(g)2H_{2}O_{2(l)} \rightarrow 2H_{2}O_{(l)} + O_{2(g)}

In the presence of metal surfaces or traces of alkali (Present in glass containers), the above reaction is catalysed. It is, therefore, stored in wax lined glass or plastic vessels in dark. Urea can be added as a stabilizer it is kept away from dust because dust can indice explosive decomposition of the compound.