A colourless liquid ‘A’ contains H and O elements only. It decomposes slowly on exposure to light. It is stabilised by mixing urea to store in the presence of light.

(i) Suggest possible structure of A.

This is a long answer type question as classified in NCERT Exemplar

Since, a colourless liquid 'A' contains only hydrogen and oxygen and decomposes slowly on exposure to light but is stabilised by addition of urea, therefore, liquid A may be hydrogen peroxide. A is H₂O₂. 

Structure of H₂O₂ is given below.

<p><span data-teams="true">This is a long answer type question as classified in NCERT Exemplar</span></p><p>Since, a colourless liquid 'A' contains only hydrogen and oxygen and decomposes slowly on exposure to light but is stabilised by addition of urea, therefore, liquid A may be hydrogen peroxide. A is H₂O₂.&nbsp;</p><p>Structure of H₂O₂ is given below.</p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1743585421phpP0zWYE_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1743585421phpP0zWYE.jpeg" alt="" width="357" height="178"></picture></div></div>

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