Question

an aromatic organic compound A with molecular formula C8H8O give positive DNP and iodoform test it neither reduce tollens reagent nor does it decolourise bromine water white the structure of A

Answer 1

A is Benzophenone.

• The chemical molecule , sometimes known as $Ph_{2}CO$, stands for benzophenone. It is an organic solvent-soluble white solid. As the parent diarylketone, benzophenone is a common building block in organic chemistry.
• In UV(Ultra-violet)-curing applications such inks, imaging, and transparent coatings in the printing industry, benzophenone can be utilised as a photo initiator. UV rays are shielded from fragrances and colours in goods like perfumes and soaps by benzophenone.
• To stop photo-degradation of the polymers in plastic packaging or its contents, benzophenone can also be added as a UV blocker. By using it, manufacturers are able to package the good in transparent glass or plastic (like a PETE water bottle). Without it, packaging would need to be opaque or dark.
• Benzophenones have a long history of use in biological applications as photophysical probes to locate and characterise peptide-protein interactions.
• In flavourings or fragrances, benzophenone is added to provide "sweet-woody-geranium-like overtones."

Hence, A is Benzophenone.

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